Bull Flags are common trading chart patterns for day traders and all traders alike. The spike in price is associated with and forms what looks like flags. This chart on a 2 or 5 minute chart shows at least 3 bull flags. There are many ways to trade a but they are a very easy to identify trade if you learn the patterns. It is green bars followed by small red bars, often flat bottom or small retracement, followed by big and big moves up.