If you’re new to futures or feel like you need to build up your knowledge base, Futures 101 is a good place to start. It covers everything from what a futures contract is to who the players are, from price discovery to basic trading strategies.
Futures markets have been described as continuous auction markets and as clearing houses for the latest information about supply and demand. They are the meeting places of buyers and sellers of an ever-expanding list of commodities that today includes agricultural products, metals, petroleum, financial instruments, foreign currencies and stock indexes. Trading has also been initiated in options on futures contracts, enabling option buyers to participate in futures markets with known risks.
Notwithstanding the rapid growth and diversification of futures markets, their primary purpose remains the same as it has been for nearly a century and a half, to provide an efficient and effective mechanism for the management of price risks. By buying or selling futures contracts–contracts that establish a price level now for items to be delivered later–individuals and businesses seek to achieve what amounts to insurance against adverse price changes. This is called hedging.
Volume has increased from 14 million futures contracts traded in 1970 to 179 million futures and options on futures contracts traded in 1985.
Other futures market participants are speculative investors who accept the risks that hedgers wish to avoid. Most speculators have no intention of making or taking delivery of the commodity but, rather, seek to profit from a change in the price. That is, they buy when they anticipate rising prices and sell when they anticipate declining prices. The interaction of hedgers and speculators helps to provide active, liquid and competitive markets. Speculative participation in futures trading has become increasingly attractive with the availability of alternative methods of participation. Whereas many futures traders continue to prefer to make their own trading decisions–such as what to buy and sell and when to buy and sell–others choose to utilize the services of a professional trading advisor, or to avoid day-to-day trading responsibilities by establishing a fully managed trading account or participating in a commodity pool which is similar in concept to a mutual fund.
For those individuals who fully understand and can afford the risks which are involved, the allocation of some portion of their capital to futures trading can provide a means of achieving greater diversification and a potentially higher overall rate of return on their investments. There are also a number of ways in which futures can be used in combination with stocks, bonds and other investments.
Speculation in futures contracts, however, is clearly not appropriate for everyone. Just as it is possible to realize substantial profits in a short period of time, it is also possible to incur substantial losses in a short period of time. The possibility of large profits or losses in relation to the initial commitment of capital stems principally from the fact that futures trading is a highly leveraged form of speculation. Only a relatively small amount of money is required to control assets having a much greater value. As we will discuss and illustrate, the leverage of futures trading can work for you when prices move in the direction you anticipate or against you when prices move in the opposite direction.
It is not the purpose of this material to suggest that you should–or should not–participate in futures trading. That is a decision you should make only after consultation with your broker or financial advisor and in light of your own financial situation and objectives.
Intended to help provide you with the kinds of information you should first obtain–and the questions you should seek answers to–in regard to any investment you are considering:
- Information about the investment itself and the risks involved
- How readily your investment or position can be liquidated when such action is necessary or desired
- Who the other market participants are
- Alternate methods of participation
- How prices are arrived at
- The costs of trading
- How gains and losses are realized
- What forms of regulation and protection exist
- The experience, integrity and track record of your broker or advisor
- The financial stability of the firm with which you are dealing
Futures Market
The frantic shouting and signaling of bids and offers on the trading floor of a futures exchange undeniably convey an impression of chaos. The reality, however, is that chaos is what futures markets replaced. Prior to the establishment of central grain markets in the mid-nineteenth century, the nation’s farmers carted their newly harvested crops over plank roads to major population and transportation centers each fall in search of buyers. The seasonal glut drove prices to giveaway levels and, indeed, to throwaway levels as grain often rotted in the streets or was dumped in rivers and lakes for lack of storage. Come spring, shortages frequently developed and foods made from corn and wheat became barely affordable luxuries. Throughout the year, it was each buyer and seller for himself with neither a place nor a mechanism for organized, competitive bidding. The first central markets were formed to meet that need. Eventually, contracts were entered into for forward as well as for spot (immediate) delivery. So-called forwards were the forerunners of present day futures contracts.
Spurred by the need to manage price and interest rate risks that exist in virtually every type of modern business, today’s futures markets have also become major financial markets. Participants include mortgage bankers as well as farmers, bond dealers as well as grain merchants, and multinational corporations as well as food processors, savings and loan associations, and individual speculators.
Futures prices arrived at through competitive bidding are immediately and continuously relayed around the world by wire and satellite. A farmer in Nebraska, a merchant in Amsterdam, an importer in Tokyo and a speculator in Ohio thereby have simultaneous access to the latest market-derived price quotations. And, should they choose, they can establish a price level for future delivery–or for speculative purposes–simply by having their broker buy or sell the appropriate contracts. Images created by the fast-paced activity of the trading floor notwithstanding, regulated futures markets are a keystone of one of the world’s most orderly envied and intensely competitive marketing systems. Should you at some time decide to trade in futures contracts, either for speculation or in connection with a risk management strategy, your orders to buy or sell would be communicated by phone from the brokerage office you use and then to the trading pit or ring for execution by a floor broker. If you are a buyer, the broker will seek a seller at the lowest available price. If you are a seller, the broker will seek a buyer at the highest available price. That’s what the shouting and signaling is about.
In either case, the person who takes the opposite side of your trade may be or may represent someone who is a commercial hedger or perhaps someone who is a public speculator. Or, quite possibly, the other party may be an independent floor trader. In becoming acquainted with futures markets, it is useful to have at least a general understanding of who these various market participants are, what they are doing and why.
Hedgers
The details of hedging can be somewhat complex but the principle is simple. Hedgers are individuals and firms that make purchases and sales in the futures market solely for the purpose of establishing a known price level–weeks or months in advance–for something they later intend to buy or sell in the cash market (such as at a grain elevator or in the bond market). In this way they attempt to protect themselves against the risk of an unfavorable price change in the interim. Or hedgers may use futures to lock in an acceptable margin between their purchase cost and their selling price. Consider this example:
A jewelry manufacturer will need to buy additional gold from his supplier in six months. Between now and then, however, he fears the price of gold may increase. That could be a problem because he has already published his catalog for a year ahead.
To lock in the price level at which gold is presently being quoted for delivery in six months, he buys a futures contract at a price of, say, $350 an ounce.
If, six months later, the cash market price of gold has risen to $370, he will have to pay his supplier that amount to acquire gold. However, the extra $20 an ounce cost will be offset by a $20 an ounce profit when the futures contract bought at $350 is sold for $370. In effect, the hedge provided insurance against an increase in the price of gold. It locked in a net cost of $350, regardless of what happened to the cash market price of gold. Had the price of gold declined instead of risen, he would have incurred a loss on his futures position but this would have been offset by the lower cost of acquiring gold in the cash market.
The number and variety of hedging possibilities is practically limitless. A cattle feeder can hedge against a decline in livestock prices and a meat packer or supermarket chain can hedge against an increase in livestock prices. Borrowers can hedge against higher interest rates, and lenders against lower interest rates. Investors can hedge against an overall decline in stock prices, and those who anticipate having money to invest can hedge against an increase in the over-all level of stock prices. And the list goes on.
Whatever the hedging strategy, the common denominator is that hedgers willingly give up the opportunity to benefit from favorable price changes in order to achieve protection against unfavorable price changes.
Speculators
Were you to speculate in futures contracts, the person taking the opposite side of your trade on any given occasion could be a hedger or it might well be another speculator–someone whose opinion about the probable direction of prices differs from your own.
The arithmetic of speculation in futures contracts–including the opportunities it offers and the risks it involves–will be discussed in detail later on. For now, suffice it to say that speculators are individuals and firms who seek to profit from anticipated increases or decreases in futures prices. In so doing, they help provide the risk capital needed to facilitate hedging.
Someone who expects a futures price to increase would purchase futures contracts in the hope of later being able to sell them at a higher price. This is known as “going long.” Conversely, someone who expects a futures price to decline would sell futures contracts in the hope of later being able to buy back identical and offsetting contracts at a lower price. The practice of selling futures contracts in anticipation of lower prices is known as “going short.” One of the attractive features of futures trading is that it is equally easy to profit from declining prices (by selling) as it is to profit from rising prices (by buying).
Floor Traders
Persons known as floor traders or locals, who buy and sell for their own accounts on the trading floors of the exchanges, are the least known and understood of all futures market participants. Yet their role is an important one. Like specialists and market makers at securities exchanges, they help to provide market liquidity. If there isn’t a hedger or another speculator who is immediately willing to take the other side of your order at or near the going price, the chances are there will be an independent floor trader who will do so, in the hope of minutes or even seconds later being able to make an offsetting trade at a small profit. In the grain markets, for example, there is frequently only one-fourth of a cent a bushel difference between the prices at which a floor trader buys and sells.
Floor traders, of course, have no guarantee they will realize a profit. They may end up losing money on any given trade. Their presence, however, makes for more liquid and competitive markets. It should be pointed out, however, that unlike market makers or specialists, floor traders are not obligated to maintain a liquid market or to take the opposite side of customer orders.
What is a Futures Contract?
There are two types of futures contracts, those that provide for physical delivery of a particular commodity or item and those which call for a cash settlement. The month during which delivery or settlement is to occur is specified. Thus, a July futures contract is one providing for delivery or settlement in July.
It should be noted that even in the case of delivery-type futures contracts, very few actually result in delivery.* Not many speculators have the desire to take or make delivery of, say, 5,000 bushels of wheat, or 112,000 pounds of sugar, or a million dollars worth of U.S. Treasury bills for that matter. Rather, the vast majority of speculators in futures markets choose to realize their gains or losses by buying or selling offsetting futures contracts prior to the delivery date. Selling a contract that was previously purchased liquidates a futures position in exactly the same way, for example, that selling 100 shares of IBM stock liquidates an earlier purchase of 100 shares of IBM stock. Similarly, a futures contract that was initially sold can be liquidated by an offsetting purchase. In either case, gain or loss is the difference between the buying price and the selling price.
Even hedgers generally don’t make or take delivery. Most, like the jewelry manufacturer illustrated earlier, find it more convenient to liquidate their futures positions and (if they realize a gain) use the money to offset whatever adverse price change has occurred in the cash market.
* When delivery does occur it is in the form of a negotiable instrument (such as a warehouse receipt) that evidences the holder’s ownership of the commodity, at some designated location.
Why Delivery?
Since delivery on futures contracts is the exception rather than the rule, why do most contracts even have a delivery provision? There are two reasons. One is that it offers buyers and sellers the opportunity to take or make delivery of the physical commodity if they so choose. More importantly, however, the fact that buyers and sellers can take or make delivery helps to assure that futures prices will accurately reflect the cash market value of the commodity at the time the contract expires–i.e., that futures and cash prices will eventually converge. It is convergence that makes hedging an effective way to obtain protection against an adverse change in the cash market price.*
* Convergence occurs at the expiration of the futures contract because any difference between the cash and futures prices would quickly be negated by profit-minded investors who would buy the commodity in the lowest-price market and sell it in the highest-price market until the price difference disappeared. This is known as arbitrage and is a form of trading generally best left to professionals in the cash and futures markets.
Cash settlement futures contracts are precisely that, contracts which are settled in cash rather than by delivery at the time the contract expires. Stock index futures contracts, for example, are settled in cash on the basis of the index number at the close of the final day of trading. There is no provision for delivery of the shares of stock that make up the various indexes. That would be impractical. With a cash settlement contract, convergence is automatic.
The Process of Price Discovery
Futures prices increase and decrease largely because of the myriad factors that influence buyers’ and sellers’ judgments about what a particular commodity will be worth at a given time in the future (anywhere from less than a month to more than two years).
As new supply and demand developments occur and as new and more current information becomes available, these judgments are reassessed and the price of a particular futures contract may be bid upward or downward. The process of reassessment–of price discovery–is continuous.
Thus, in January, the price of a July futures contract would reflect the consensus of buyers’ and sellers’ opinions at that time as to what the value of a commodity or item will be when the contract expires in July. On any given day, with the arrival of new or more accurate information, the price of the July futures contract might increase or decrease in response to changing expectations.
Competitive price discovery is a major economic function–and, indeed, a major economic benefit–of futures trading. The trading floor of a futures exchange is where available information about the future value of a commodity or item is translated into the language of price. In summary, futures prices are an ever changing barometer of supply and demand and, in a dynamic market, the only certainty is that prices will change.
After the Closing Bell
Once a closing bell signals the end of a day’s trading, the exchange’s clearing organization matches each purchase made that day with its corresponding sale and tallies each member firm’s gains or losses based on that day’s price changes–a massive undertaking considering that nearly two-thirds of a million futures contracts are bought and sold on an average day. Each firm, in turn, calculates the gains and losses for each of its customers having futures contracts.
Gains and losses on futures contracts are not only calculated on a daily basis, they are credited and deducted on a daily basis. Thus, if a speculator were to have, say, a $300 profit as a result of the day’s price changes, that amount would be immediately credited to his brokerage account and, unless required for other purposes, could be withdrawn. On the other hand, if the day’s price changes had resulted in a $300 loss, his account would be immediately debited for that amount.
The process just described is known as a daily cash settlement and is an important feature of futures trading. As will be seen when we discuss margin requirements, it is also the reason a customer who incurs a loss on a futures position may be called on to deposit additional funds to his account.
The Arithmetic of Futures Trading
To say that gains and losses in futures trading are the result of price changes is an accurate explanation but by no means a complete explanation. Perhaps more so than in any other form of speculation or investment, gains and losses in futures trading are highly leveraged. An understanding of leverage–and of how it can work to your advantage or disadvantage–is crucial to an understanding of futures trading.
As mentioned in the introduction, the leverage of futures trading stems from the fact that only a relatively small amount of money (known as initial margin) is required to buy or sell a futures contract. On a particular day, a margin deposit of only $1,000 might enable you to buy or sell a futures contract covering $25,000 worth of soybeans. Or for $10,000, you might be able to purchase a futures contract covering common stocks worth $260,000. The smaller the margin in relation to the value of the futures contract, the greater the leverage.
If you speculate in futures contracts and the price moves in the direction you anticipated, high leverage can produce large profits in relation to your initial margin. Conversely, if prices move in the opposite direction, high leverage can produce large losses in relation to your initial margin. Leverage is a two-edged sword.
For example, assume that in anticipation of rising stock prices you buy one June S&P 500 stock index futures contract at a time when the June index is trading at 1000. And assume your initial margin requirement is $10,000. Since the value of the futures contract is $250 times the index, each 1 point change in the index represents a $250 gain or loss.
Thus, an increase in the index from 1000 to 1040 would double your $10,000 margin deposit and a decrease from 1000 to 960 would wipe it out. That’s a 100% gain or loss as the result of only a 4% change in the stock index!
Said another way, while buying (or selling) a futures contract provides exactly the same dollars and cents profit potential as owning (or selling short) the actual commodities or items covered by the contract, low margin requirements sharply increase the percentage profit or loss potential. For example, it can be one thing to have the value of your portfolio of common stocks decline from $100,000 to $96,000 (a 4% loss) but quite another (at least emotionally) to deposit $10,000 as margin for a futures contract and end up losing that much or more as the result of only a 4% price decline. Futures trading thus requires not only the necessary financial resources but also the necessary financial and emotional temperament.
Trading
An absolute requisite for anyone considering trading in futures contracts–whether it’s sugar or stock indexes, pork bellies or petroleum–is to clearly understand the concept of leverage as well as the amount of gain or loss that will result from any given change in the futures price of the particular futures contract you would be trading. If you cannot afford the risk, or even if you are uncomfortable with the risk, the only sound advice is don’t trade. Futures trading is not for everyone.
Margins
As is apparent from the preceding discussion, the arithmetic of leverage is the arithmetic of margins. An understanding of margins–and of the several different kinds of margin–is essential to an understanding of futures trading.
If your previous investment experience has mainly involved common stocks, you know that the term margin–as used in connection with securities–has to do with the cash down payment and money borrowed from a broker to purchase stocks. But used in connection with futures trading, margin has an altogether different meaning and serves an altogether different purpose.
Rather than providing a down payment, the margin required to buy or sell a futures contract is solely a deposit of good faith money that can be drawn on by your brokerage firm to cover losses that you may incur in the course of futures trading. It is much like money held in an escrow account. Minimum margin requirements for a particular futures contract at a particular time are set by the exchange on which the contract is traded. They are typically about five percent of the current value of the futures contract. Exchanges continuously monitor market conditions and risks and, as necessary, raise or reduce their margin requirements. Individual brokerage firms may require higher margin amounts from their customers than the exchange-set minimums.
There are two margin-related terms you should know: Initial margin and maintenance margin.
Initial margin (sometimes called original margin) is the sum of money that the customer must deposit with the brokerage firm for each futures contract to be bought or sold. On any day that profits accrue on your open positions, the profits will be added to the balance in your margin account. On any day losses accrue, the losses will be deducted from the balance in your margin account.
If and when the funds remaining available in your margin account are reduced by losses to below a certain level–known as the maintenance margin requirement–your broker will require that you deposit additional funds to bring the account back to the level of the initial margin. Or, you may also be asked for additional margin if the exchange or your brokerage firm raises its margin requirements. Requests for additional margin are known as margin calls.
Assume, for example, that the initial margin needed to buy or sell a particular futures contract is $2,000 and that the maintenance margin requirement is $1,500. Should losses on open positions reduce the funds remaining in your trading account to, say, $1,400 (an amount less than the maintenance requirement), you will receive a margin call for the $600 needed to restore your account to $2,000.
Before trading in futures contracts, be sure you understand the brokerage firm’s Margin Agreement and know how and when the firm expects margin calls to be met. Some firms may require only that you mail a personal check. Others may insist you wire transfer funds from your bank or provide same-day or next-day delivery of a certified or cashier’s check. If margin calls are not met in the prescribed time and form, the firm can protect itself by liquidating your open positions at the available market price (possibly resulting in an unsecured loss for which you would be liable).
The Contract Unit
Delivery-type futures contracts stipulate the specifications of the commodity to be delivered (such as 5,000 bushels of grain, 40,000 pounds of livestock, or 100 troy ounces of gold). Foreign currency futures provide for delivery of a specified number of marks, francs, yen, pounds or pesos. U.S. Treasury obligation futures are in terms of instruments having a stated face value (such as $100,000 or $1 million) at maturity. Futures contracts that call for cash settlement rather than delivery are based on a given index number times a specified dollar multiple. This is the case, for example, with stock index futures. Whatever the yardstick, it’s important to know precisely what it is you would be buying or selling, and the quantity you would be buying or selling.
How Prices are Quoted
Futures prices are usually quoted the same way prices are quoted in the cash market (where a cash market exists). That is, in dollars, cents, and sometimes fractions of a cent, per bushel, pound or ounce; also in dollars, cents and increments of a cent for foreign currencies; and in points and percentages of a point for financial instruments. Cash settlement contract prices are quoted in terms of an index number, usually stated to two decimal points. Be certain you understand the price quotation system for the particular futures contract you are considering.
Minimum Price Changes
Exchanges establish the minimum amount that the price can fluctuate upward or downward. This is known as the “tick” For example, each tick for grain is 0.25 cents per bushel. On a 5,000 bushel futures contract, that’s $12.50. On a gold futures contract, the tick is 10 cents per ounce, which on a 100 ounce contract is $10. You’ll want to familiarize yourself with the minimum price fluctuation–the tick size–for whatever futures contracts you plan to trade. And, of course, you’ll need to know how a price change of any given amount will affect the value of the contract.
Daily Price Limits
Exchanges establish daily price limits for trading in futures contracts. The limits are stated in terms of the previous day’s closing price plus and minus so many cents or dollars per trading unit. Once a futures price has increased by its daily limit, there can be no trading at any higher price until the next day of trading. Conversely, once a futures price has declined by its daily limit, there can be no trading at any lower price until the next day of trading. Thus, if the daily limit for a particular grain is currently 10 cents a bushel and the previous day’s settlement price was $3.00, there can not be trading during the current day at any price below $2.90 or above $3.10. The price is allowed to increase or decrease by the limit amount each day. For some contracts, daily price limits are eliminated during the month in which the contract expires. Because prices can become particularly volatile during the expiration month (also called the “delivery” or “spot” month), persons lacking experience in futures trading may wish to liquidate their positions prior to that time. Or, at the very least, trade cautiously and with an understanding of the risks which may be involved. Daily price limits set by the exchanges are subject to change. They can, for example, be increased once the market price has increased or decreased by the existing limit for a given number of successive days. Because of daily price limits, there may be occasions when it is not possible to liquidate an existing futures position at will. In this event, possible alternative strategies should be discussed with a broker.
Position Limits
Although the average trader is unlikely to ever approach them, exchanges and the CFTC establish limits on the maximum speculative position that any one person can have at one time in any one futures contract. The purpose is to prevent one buyer or seller from being able to exert undue influence on the price in either the establishment or liquidation of positions. Position limits are stated in number of contracts or total units of the commodity. The easiest way to obtain the types of information just discussed is to ask your broker or other advisor to provide you with a copy of the contract specifications for the specific futures contracts you are thinking about trading. Or you can obtain the information from the exchange where the contract is traded.
Understanding (and Managing) the Risks of Futures Trading
Anyone buying or selling futures contracts should clearly understand that the Risks of any given transaction may result in a Futures Trading loss. The loss may exceed not only the amount of the initial margin but also the entire amount deposited in the account or more. Moreover, while there are a number of steps which can be taken in an effort to limit the size of possible losses, there can be no guarantees that these steps will prove effective. Well-informed futures traders should, nonetheless, be familiar with available risk management possibilities.
Choosing a Futures Contract
Just as different common stocks or different bonds may involve different degrees of probable risk and reward at a particular time, so many different futures contracts. The market for one commodity may, at present, be highly volatile, perhaps because of supply-demand uncertainties which–depending on future developments–could suddenly propel prices sharply higher or sharply lower. The market for some other commodity may currently be less volatile, with greater likelihood that prices will fluctuate in a narrower range. You should be able to evaluate and choose the futures contracts that appear–based on present information–most likely to meet your objectives and willingness to accept risk. Keep in mind, however, that neither past nor even present price behavior provides assurance of what will occur in the future. Prices that have been relatively stable may become highly volatile (which is why many individuals and firms choose to hedge against unforeseeable price changes).
Liquidity
There can be no ironclad assurance that, at all times, a liquid market will exist for offsetting a futures contract that you have previously bought or sold. This could be the case if, for example, a futures price has increased or decreased by the maximum allowable daily limit and there is no one presently willing to buy the futures contract you want to sell or sell the futures contract you want to buy. Even on a day-to-day basis, some contracts and some delivery months tend to be more actively traded and liquid than others. Two useful indicators of liquidity are the volume of trading and the open interest (the number of open futures positions still remaining to be liquidated by an offsetting trade or satisfied by delivery). These figures are usually reported in newspapers that carry futures quotations. The information is also available from your broker or advisor and from the exchange where the contract is traded.
Stop Orders
A stop order is an order, placed with your broker, to buy or sell a particular futures contract at the market price if and when the price reaches a specified level. Stop orders are often used by futures traders in an effort to limit the amount they might lose if the futures price moves against their position. For example, were you to purchase a crude oil futures contract at $21.00 a barrel and wished to limit your loss to $1.00 a barrel, you might place a stop order to sell an off-setting contract if the price should fall to, say, $20.00 a barrel. If and when the market reaches whatever price you specify, a stop order becomes an order to execute the desired trade at the best price immediately obtainable. There can be no guarantee, however, that it will be possible under all market conditions to execute the order at the price specified. In an active, volatile market, the market price may be declining (or rising) so rapidly that there is no opportunity to liquidate your position at the stop price you have designated. Under these circumstances, the broker’s only obligation is to execute your order at the best price that is available. In the event that prices have risen or fallen by the maximum daily limit, and there is presently no trading in the contract (known as a “lock limit” market), it may not be possible to execute your order at any price. In addition, although it happens infrequently, it is possible that markets may be lock limit for more than one day, resulting in substantial losses to futures traders who may find it impossible to liquidate losing futures positions. Subject to the kinds of limitations just discussed, stop orders can nonetheless provide a useful tool for the futures trader who seeks to limit his losses. Far more often than not, it will be possible for the broker to execute a stop order at or near the specified price. In addition to providing a way to limit losses, stop orders can also be employed to protect profits. For instance, if you have bought crude oil futures at $21.00 a barrel and the price is now at $24.00 a barrel, you might wish to place a stop order to sell if and when the price declines to $23.00. This (again subject to the described limitations of stop orders) could protect $2.00 of your existing $3.00 profit while still allowing you to benefit from any continued increase in price.
Spreads
Spreads involve the purchase of one futures contract and the sale of a different futures contract in the hope of profiting from a widening or narrowing of the price difference. Because gains and losses occur only as the result of a change in the price difference–rather than as a result of a change in the overall level of futures prices–spreads are often considered more conservative and less risky than having an outright long or short futures position. In general, this may be the case. It should be recognized, though, that the loss from a spread can be as great as–or even greater than–that which might be incurred in having an outright futures position. An adverse widening or narrowing of the spread during a particular time period may exceed the change in the overall level of futures prices, and it is possible to experience losses on both of the futures contracts involved (that is, on both legs of the spread).
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