Tesoro Corp. (NYSE: TSO), a petroleum refiner, is recently up 94 cents to $17.04. Crude oil futures are recently down 3.45% to $133.96 according to Bloomberg.
TSO call option volume of 15,013 contracts compares to put volume of 4,461 contracts. TSO August option implied volatility of 96 is above its 26-week average of 62 according to Track Data, suggesting larger price fluctuations.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.
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