Netflix Inc (NASDAQ:NFLX) is flashing another historically bullish signal as the shares -- last seen fractionally higher at $697.16 -- remain just below their Aug. 20 all-time high of$711.33, giving investors another chance to get in on the action.Netflix's recent peak comes amid historically low implied volatility (IV), which was a bullish combination in the past. According to Schaeffer's Senior Market Strategist Chris Prybal, there were six times in the past five years when NFLX was trading within 2% of ...