What Is a Special Memorandum Account (SMA)?
A special memorandum account is the Reg T credit line on a margin statement, not spare cash. Follow the SMA ledger through four events in one account.
#buying power
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Short Strangle vs Iron Condor: Margin
Short strangle vs iron condor: the same range, two very different buying power holds. What the wings cost, and what each structure ties up in capital.