Increasing unusual call option volume: CHGG CXW OMC

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Omnicom Group (NYSE: OMC) Delayed: 82.55 --0 (-0%)
Previous Close $82.55    52 Week High $87.50 
Open $82.55    52 Week Low $66.48 
Day High $82.55    P/E 21.67 
Day Low $82.55    EPS $3.81 
Volume 167