Walmart (WMT) call put ratio 1.9 calls to 1 put into quarter results
Walmart (NYSE: WMT) August 22 weekly call option implied volatility is at 61, September is at 27; compared to its 52-week range of 14 to 50. Call put ratio 1.9 calls to 1 put into the expected release of quarter results before the bell on August 21.