Market Vectors Oil Services ETF (OIH) call put ratio 3.7 calls to 1 put with a focus on June 450 calls

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MARKET VECTORS OIL SERVICES ETF (NYSE: OIH) Delayed: 428.17 +2.29 (0.54%)
Previous Close $425.88    52 Week High $31.60 
Open $424.63    52 Week Low $20.46 
Day High $431.98    P/E N/A 
Day Low $423.74    EPS $0.00 
Volume 328,137