There are many candlestick signals that are used in the investment industry. The most famous of them all are the exhaustion candles!
Subtle differences can mean different things, just like in a language where small nuances here and there changes the meaning conveyed. Similarly candlestick patterns also convey different meaning depending on subtle differences on color, form and location.
Have a look at this video to know what these subtle differences are. You will master the exhaustion patterns after this!! :)