Gravestone Doji
A doji with a long upper shadow and no lower shadow.
Usage
Signals a potential bearish reversal.
Background
Candlestick patterns were popularized in the West by Steve Nison in his 1991 book 'Japanese Candlestick Charting Techniques'. These patterns provide a visual representation of market psychology and the balance of power between buyers and sellers at key price levels.
Formula
\text{Pattern Recognition Logic (TA-Lib Internal)}