by peepeeECKSDEE
On Feb 24th, 11:56:57 am, there was a block trade for the purchase of 79,000 $290 Puts and the sale of 79,000 $278 Puts. This was basically a long bear diagonal spread, the short leg puts expire earlier. A net debit of $70 mil was spent. Image below.
Edit: Software is Tradytics