iShares Nasdaq Biotechnology (IBB) call put ratio 1 call to 1.7 puts

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iShares Nasdaq Biotechnology Index Fund (NASDAQ: IBB) Delayed: 213.56 +2.73 (1.29%)
Previous Close $210.83    52 Week High $343.87 
Open $211.55    52 Week Low $240.03 
Day High $215.61    P/E N/A 
Day Low $211.06    EPS $0.00 
Volume 2,681,520