Unusual Options Activity: Bullish Trade on CSX

We noticed a bullish trade Wednesday on CSX Corp. (CSX). At 12:15 this afternoon, 5,000 contracs of each of the Dec. 30 and 31 calls crossed the tape, outstripping open interest at both strikes by a wide margin. The 30s moved high in the spread, while the 31s moved lower, indicating this was likely a bullish debit spread being opened.