A contract that gives the owner the right, but not the obligation, to buy or sell a security at a fixed price in the future.

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1answer
210 views

Option pricing within the Black Scholes model

Have a question regarding regular option pricing. In the standard Black-Scholes model, with interest r and volatility $\sigma$. Determine the arbitrage free price at t of an option which at $T>t$ ...
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1answer
55 views

European Option Technical Exercise

I like to ask a practical question regarding the exercise of European Options: As we know, one may exercise a European option only at maturity $T$. But for example, if the option can be exercised ...
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1answer
111 views

In a FX options book, is the sum of P&L equal to the portfolio value?

For a portfolio containing FX options, would the sum of P&L for each option be the portfolio value?
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2answers
46 views

Option greeks: sensitivity to 1% move

In a Black&Scholes framework how can I compute the following sensitivities: to 1% move in the underlying price to 1% move in implied volatility I would like the greeks to tell me how many ...
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votes
1answer
99 views

Risk Neutrality Necessary for Dual Delta Calculation?

I have an option chain for a specific expiry date. Then calculate dP/dK numerically for each pair of strikes. My hunch is that this calculation is not risk neutral in the strictest sense of the word ...
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1answer
826 views

Show that convexity of call price as a function of the strike is violated [closed]

European call options with strikes 90, 100 and 110 on the same underlying asset and with the same maturity are trading for 22.50, 18.84 and 13.97 respectively. show that the convexity of the call ...
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4answers
2k views

True or False? An option's price will always be greater than or equal to its intrinsic value

Since if the option's price is lower than its intrinsic value (eg. strike price - current stock price for puts), then an arbitrage opportunity arises from buying the option at bargain and then ...