QQQ SPX VXX XBI NVDA

The volume on SPY before the close is quite impressive. After market close, I bought a BF on SPX 2/18 4525/50/75 for 2.3.

Other than that, added short legs to a few long positions, QQQ 360 calls, VXX 19.5 puts, and XBI 100 calls, all Friday expirations.

NVDA ER tomorrow AMC, BTO 290 call calendar (2/18 2/25) for 1.55