Increasing unusual put option volume: GGAL SPCE SHLS PCT EXC OIH

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MARKET VECTORS OIL SERVICES ETF (NYSE: OIH) Delayed: 427.53 -2.28 (0.53%)
Previous Close $429.81    52 Week High $31.60 
Open $427.06    52 Week Low $20.46 
Day High $428.02    P/E N/A 
Day Low $422.91    EPS $0.00 
Volume 212,887