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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.

0 votes
1 answer
245 views

Why vega increases further out in time

Why do back months options have a higher vega than front month options? If possible , kindly explain on an intuitive level without a lot of math. …
Victor123's user avatar
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0 votes
1 answer
2k views

Convert a call spread to a butterfly to mitigate risk

I do not have a source for this (apologies), but sometimes, I hear about option traders initiating a vertical spread(short) and then converting that call spread to a butterfly spread to mitigate risk. …
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  • 1,404
1 vote
1 answer
97 views

Does a call calendar lose its entire value if underlying increases well past the strike?

If I buy a call calendar spread, and the underlying increases, both options are in the money by the expiry of the short call. … So both options increase in value, but the short one increases less because it has more time decay. …
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  • 1,404
5 votes
2 answers
8k views

Why an option has sometimes and implied volatility greater than 100%?

Sometimes, in an option chain, the implied volatility of an option is greater than 100% . How is this possible? I mean, it is possible for 100$ stock to increase more than 100%, but not decrease more …
Victor123's user avatar
  • 1,404
1 vote
0 answers
49 views

How to calculate a prepayment penalty on a mortgage

I have issued 2 mortgages...one with an option to prepay the loan, the other without that option. I want an objective way of calculating the extra interest rate (compared to the second) and prepaymen …
Victor123's user avatar
  • 1,404
3 votes

Short volatility strategy using strangles

The risk of a short strangle is theoretically infinite, and the max return is fixed (the premium received on the 2 legs). This remains true whether you target max return or max vega.
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8 votes
1 answer
2k views

How to approximate the time to mean reversion for implied volatility

Given an option and its implied volatility, and also the mean value of the implied volatility over the last 30 days, if we find that the current IV is significantly (> 1 std dev.) away from the mean, …
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  • 1,404
2 votes

Option arbitrage with dividends?

Generally no, because 'dividends' are already 'priced into' the options. …
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  • 1,404
2 votes
1 answer
167 views

How to manage risk on a call calendar when underlying is falling

Now, at expiry of the short option, the underlying has decreased significantly, and I am approaching my max loss(i.e both the options are close to 0). …
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  • 1,404