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Not much of a calculator. Attached is an example of the Prime Options Calculator that I use. The covered call section will also accommodates up to 10 roll-out and if the unwind is used, automatically calculates from the original Buy-Write or roll-out(s). Handles over 40 option...

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Best I've found is Prime Options Calculator. But it's not free.

I thought that might be the case. Attached is how it breaks down as of 9:45am 01/18/11

This would not be a valid short Iron Condor for 10 points. 680 v 670 = 10 points 550 v 565 = 15 points

Nothing. You Asked. I answered.

The Reg T margin is 50% All transactions are a charge or release to SMA (Reg T) and maintenance. However the buying power on the account is calculated on which component is driving the account "SMA" or "Maintenance Excess" , or the component that calculates the lowest amount of Buying...

Depends on what's driving the account, SMA or Maintenance.

Unless you have a free ride violation.

Isn't implied volatility the answer and not the operand?

yes

A lot

I will no longer make any post to this thread until at least one proponent of BSM puts forth their own analysis with real world data to back up their position. I have requested same. They are either unable or unwilling.

Again you fail to comprehend. I have stated and the chart shows the BSM delta vs. the True delta on a daily basis. And yes the price of the option WAS effected by change in something other than the price of the underlying. Of course I would agree that something else could affect the...

If you had any basic reading comprehension you'd know. The True delta was what the option did in relation to the underlying, the real world numbers. simple as that. The calculation were done using the online model @ CBOE Nothing arbitrary about it. Nothing that I "just fancy" just the...

Why not?

I've provided charts with details of the calculated delta vs. true deltas based on real time data done on a daily basis calculated with an independent price model. Lots of challenges with no corroboration. so if it's faulty....show me...

Sufficient in the lack of gratuitous jargom. Severely lacking in any substance. (as expected)

Why yes I have. So your point IS???

Option prices used were based on the midpoint between the Bid and Ask. In most cases the spread was .05 or less. All model data figures were generated using the option pricing model online at the CBOE. I intentionally picked a stock that did not pay any dividends. Theta was accounted...