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Notable option activity in equities

Nearing the halfway mark in today's session, here are the individual equity names with unusual option activity on optionMONSTER's ActionTracker data system.

Oracle (ORCL): About 10,000 September 37 puts were bought for $0.76 as investors sought protection before next Wednesday's earnings report. ORCL rose 0.19 percent to $37.67. ORCL rose 0.31 percent to $37.73.

Tesoro (TSO): Traders bought 2,700 September 93 puts for $1.50, bracing for downside in the refinery stock. TSO fell 2.27 percent to $93.60.

Red Hat (RHT): About 2,000 October 70 puts were bought for $4 as traders looked for downside in the software company. RHT fell 0.60 percent to $69.95.

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