JP Morgan (JPM) Post Earnings Pullback

For certain stocks I have Spike alerts setup on multiple timeframes to find opportunity. Today a Spike Alert triggered on the 2 Hour Swing Timeframe for JPM . Where this spike in the opening morning price is occurring is at the 50% Pullback to the post Earnings rally. I was able to put on a position at the 50% proper this afternoon. This sets up a very low risk entry to play a move back to retest to highs of the post-earnings rally and beyond.