Moderately bullish activity in Wal-Mart with shares up 1.15%

Moderately bullish activity in Wal-Mart (WMT), with shares up $1.45, or 1.15%, near $127.25. Options volume relatively light with 32k contracts traded and calls leading puts for a put/call ratio of 0.43, compared to a typical level near 1.06. Implied volatility (IV30) is higher by 0.1 points near 27.22,and above the 52wk median, suggesting an expected daily move of $2.18. Put-call skew steepened, indicating increased demand for downside protection, following a downgrade to Hold at HSBC. Published first o ...