Merck call buyer realizes 48% same-day gains

Notable profits for the buyer who lifted the $2.94 offer for 1,999 Merck (MRK) Apr-25 90 calls yesterday at 09:36ET when underlying shares were trading at $87.70. Shares closed at $90.74, and the calls at $4.34 for a mark-to-market profit of 48%, or $281K, on the $588K outlay.