Russell 2000 ETF (IWM) puts more active than calls

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ISHARES RUSSELL 2000 ETF (NYSE: IWM) Delayed: 285.43 +1.51 (0.53%)
Previous Close $283.92    52 Week High $130.26 
Open $287.95    52 Week Low $93.64 
Day High $288.29    P/E N/A 
Day Low $285.21    EPS $0.00 
Volume 22,126,607