Big Prints in BofA (BAC) after a strategist sells the Aug 12 – Sep 11 put spread, 44,000X in morning trading Friday. This investor collected 3 cents to buy August and sell September. Looking at open interest, this might be a roll of short puts from August 11s to the September 12s. If so, this strategist probably expects shares to hold above $12 through the September expiration and or is a willing buyer at that price level. BAC is down 7 cents to $13.59 and implied volatility has eased about 1 percent to 37.5.