Unusual Option Activity

A trader bought 10,000 ATML Jan 8 Calls for $0.20 (49.8 times usual volume) with stock at $7.62
A trader bought 10,515 TMUS Feb 24-28 Strangles for $5.52 (4.1 times usual volume) with stock at $32.55
A trader bought 5,000 TSM Jan 17.5 Puts for $0.65 (2.6 times usual volume) with stock at $17.23
A trader bought 5,000 GREK Feb 23 Calls for $0.55 (19.8 times usual volume) with stock at $21.68
A trader bought 3,000 MIC Feb 55 Calls for $1.20 (72.7 times usual volume) with stock at $53.29