Entities trading Options need two specific pieces of data, which can be populated using Create/Edit Entity.
- Net Option Positions (639)
No: the same Option contract can be opened either long or short and contracts are always shown as positive numbers; transaction elections in Book Trade are Buy, Write, Sell, and BuytoCoverYes: the Option will only open long, with short positions represented by negative quantities; transaction elections in Book Trade are Buy and Sell
- Options and Futures Expiration Delay Days (12101): if there is no entry, STAR will auto-expire the Option on expiration date, preventing entry of an exercise trade on that date
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