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Originally Posted by PaceAdvantage
And don't ask me why the P/L since open adds up to ~$30 instead of ~$36, as you might think it should if you add today's P/L to yesterday's open P/L...daily P/L isn't 100% accurate for whatever reason it seems.
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Not sure, but I think it has to do with the bid/ask spread during the trading session and the last price for the close.
The last price can be quite far away from where it's actually trading especially for the higher priced options well in the money.
The spread for my NOV 1110 put varies from $1 to $2. (As I write this the spread is $1.30--$41.80/$43.10
And on IB the running P and L uses the ask price, which you'll never get.
