I bought a future this morning at 114'265, according to IB’s trade history, (or 114 17/64 or 114.265 -- my math.)
But in the TWS portfolio page it has under "average price" column 114.83125 and a "cost basis" column of 114.830.
I had a short call I bought back for a small profit earlier in...
So, if you do nada, you are short shares — briefly, technically, suddenly, whatever — even if there are no shares available for shorting?
How does that happen? Is it just an accounting entry?
But what if I don’t cover? These phantom shorts live on?
You know, I know delta hedging and short squeezes, but gamma squeeze? Is this a result of a short squeeze, causes a short squeeze or independent of a short squeeze?
Are brokers or the OCC obligated to exercise an ITM put into cash at the strike price if shares are not available to short, which is what usually occurs if the holder does nothing, right?