Add training workflow, datasets, and runbook
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Buy one 71-day 50 call at 3.50
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Sell one 71-day 50 put at 1.50
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Sell 100 shares at 51.54
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The trader establishes a short position in the stock at $51.54 and a long
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synthetic stock position effectively at $52.00. He buys the stock
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synthetically at $0.46 over the stock price, again assuming the trade can be
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executed at fair value. With the reversal, the trader has a bullish position on
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interest rates, which is indicated by a positive rho.
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In this example, the rho for this position is 0.090. If interest rates rise one
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percentage point, the synthetic stock (which the trader is long) gains nine
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cents in value relative to the stock. The short stock rebate on the short stock
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leg earns more interest at a higher interest rate. If rates fall one percentage
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point, the synthetic long stock loses $0.09. The trader earns less interest
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being short stock given a lower interest rate.
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With the reversal, the fact that the put can be exercised early is a risk.
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Since the trader is short the put and short stock, he hopes not to get
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assigned. If he does, he misses out on the interest he planned on collecting
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when he put on the reversal for $0.46 over.
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