Mixed options sentiment in Bank of America ( BAC ), with shares up 44c, or 0.94%, near $47.69. Options volume roughly in line with average with 156k contracts traded and calls leading puts for a put/call ratio of 0.96, compared to a typical level near 0.88. Implied volatility (IV30) dropped 0.09 near 21.75,in the bottom quartile of the past year, suggesting an expected daily move of $0.65. Put-call skew flattened, suggesting a modestly bullish tone.