Halliburton (HAL) 30-day option implied volatility at 50

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Halliburton Co. (NYSE: HAL) Delayed: 33.90 -1.21 (3.45%)
Previous Close $35.11    52 Week High $50.23 
Open $34.59    52 Week Low $27.64 
Day High $34.60    P/E 14.55 
Day Low $33.54    EPS $2.33 
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