Dark Cloud Cover

Dark Cloud Cover forms at the top of an advance or at resistance. The first session is a bullish candle consistent with the prior uptrend. The second session opens with a gap above the first session's close or high — initially appearing to extend the advance — but then reverses to close below the midpoint of the first session's body. The result is a bearish candle whose body penetrates into the upper portion of the prior bullish candle, symbolically 'covering' it like a dark cloud obscuring sunlight.

Historically, the pattern's significance lay in the combination of initial strength followed by decisive failure. The gap higher at the open of the second session represented enthusiasm from buyers extending the prior session's move. The subsequent reversal and close below the prior midpoint indicated that sellers absorbed all of that buying and then overcame it, closing below the session's half-way point.

The depth of penetration into the prior candle's body was an important quality criterion in historical analysis. Patterns where the second session closed near the lower third of the first session's body were considered more pronounced than those where the close was just barely below the midpoint. Practitioners in historical studies sometimes required a minimum penetration depth of 50 percent of the first candle's body; others applied a higher threshold of two-thirds.

Volume behavior added to the interpretation: elevated volume on the second session's decline historically indicated that the selling was broadly based rather than limited to a small number of participants. A pattern appearing at a well-defined resistance level, at the top of a trend channel, or after a large run-up without a corrective pause received greater emphasis in historical case studies.

Dark Cloud Cover was distinguished from the Bearish Engulfing by the fact that the second session does not fully engulf the prior candle's body — the close remains above the first session's open. The Bearish Engulfing requires the second candle to close below the first session's open, making it the more decisive of the two patterns in historical classification.