Add training workflow, datasets, and runbook
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A Complete Guide to the Futures mArket
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call (or if prices decline below $1,150, increase the value of the put) by an equivalent amount. Thus,
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as long as the expiration date and strike price of the two options are identical, a long call/short put
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position acts just like a long futures contract.
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The futures equivalent price implied by a synthetic position is given by the following formula:
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Synthetic futures pos itio n prices trike pricec all prem ium=+ − −put premi um
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It should be noted there will be one synthetic futures position price corresponding to each strike
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price for which options are traded for the given futures contract.
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In this example, the synthetic long position is the same price as a long futures contract. (Synthetic
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futures position price = $1,150 + $70.10 − $19.90 = $1,200.20.) Thus, ignoring transaction costs
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and interest income effects, buying the August $1,150 call and simultaneously selling the August
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$1,150 put would be equivalent to buying an August futures contract. Of course, the trader consider-
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ing this strategy as an alternative to an outright long futures position must incorporate transaction
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costs and interest income effects into the calculation. In this example, the true cost of the synthetic
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futures position would be raised vis-à-vis a long futures contract as a result of the following three
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factors:
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1. Because the synthetic futures position involves two trades, in a less liquid market, it is reason-
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able to assume the execution costs will also be greater. In other words, the option-based strategy
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will require the trader to give up more points (relative to quoted levels) in order to execute the
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trade.
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2. The synthetic futures position will involve greater commission costs.
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3. The dollar premium paid for the call ($7,010) exceeds the dollar premium received for the put
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($1,990). Thus, the synthetic futures position will involve an interest income loss on the differ-
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ence between these two premium payments ($5,020). This factor, however, would be offset by
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the margin requirements on a long futures position.
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Once the above differences are accounted for, the apparent relative advantage a synthetic futures
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position will sometimes seemingly offer will largely, if not totally, disappear. Nonetheless, insofar as
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some market inefficiencies may exist, the synthetic long futures position will sometimes offer a slight
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advantage over the direct purchase of a futures contract. In fact, the existence of such discrepancies
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would raise the possibility of pure arbitrage trades.
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3 For example, if the price implied by the synthetic
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long futures position was less than the futures price, even after accounting for transaction costs and
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interest income effects, the arbitrageur could lock in a profit by buying the call, selling the put, and
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selling futures. Such a trade is called a reverse conversion. Alternately, if after adjusting for transaction
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costs and interest income effects, the implied price of the synthetic long futures position were greater
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than the futures price, the arbitrageur could lock in a profit by buying futures, selling the call, and
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buying the put. Such a trade is called a conversion.
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3 Pure arbitrage implies a risk-free trade in which the arbitrageur is able to lock in a small profit by exploiting
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temporary price distortions between two related markets.
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