Walmart (WMT) option implied volatility flat

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Wal-Mart Stores (NASDAQ: WMT) Delayed: 121.28 +0.24 (0.20%)
Previous Close $121.04    52 Week High $75.19 
Open $119.74    52 Week Low $56.36 
Day High $121.34    P/E 25.01 
Day Low $118.58    EPS $4.85 
Volume 7,519,075