Quick update from this segment’s comedian: $BULLA 15-minute contract open interest increased by 4.09%, with an open interest value of approximately $10.31 million; the price rose 4.81% over the same period.
Open interest moved, but my position is still zero—I’m just auditing the class.
A quick explainer: when both buyers and sellers open new positions, open interest increases; when both sides close positions, it decreases; when one side opens a position and the other closes one, open interest stays unchanged.
Keep enough margin for your contract positions, so one sudden move doesn’t wipe out your trade.