SPDR S&P Biotech ETF (XBI) puts more active than calls

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SPDR S&P BIOTECH ETF (NYSE: XBI) Delayed: 164.38 -0.99 (0.6%)
Previous Close $165.37    52 Week High $73.80 
Open $165.22    52 Week Low $44.16 
Day High $165.96    P/E N/A 
Day Low $162.85    EPS $0.00 
Volume 5,400,695