Unusual Option Activity

A trader sold 20,511 X Jan 26-23 Put Spreads for $1.22 (2 times usual volume) with stock at $25.65
A trader bought 1,000 OCN Dec 50 Calls for $5.35 (2.1 times usual volume) with stock at $53.56
A trader bought 19,588 MRO Dec 33 Puts for $0.48 (4.6 times usual volume) with stock at $35.26
A trader bought 2,600 TWO Nov 9 Puts for $0.20 (5.2 times usual volume) with stock at $9.31
A trader bought 10,000 ADSK Dec 44 Calls for $0.88 (2.6 times usual volume) with stock at $40.95