A Renko Bearish Reversal is a turn from an uptrend to a downtrend on the brick chart: after a series of higher highs, the bricks fall below the previous low. Renko charts are built from bricks of a fixed size that ignore time and small price moves: a white brick is added when the price rises by one brick size, a black brick when it falls by one brick size. The break of the prior low shows that sellers have taken control and that the advance may be over.
