Three White Soldiers
Three consecutive strong candles in one direction, each opening within the previous body — steady accumulation rather than one spike.
Also called: three advancing soldiers · three black crows · advance block
What it means
Three White Soldiers is three substantial up-candles in a row, each opening inside the prior candle's body and closing above its high. The containment is the point: it describes sustained, orderly buying rather than a single gap-driven lurch. Three Black Crows is the bearish mirror.
If each candle opens above the previous close instead of inside its body, the move is gapping rather than advancing — a different event with different follow-through.
Advance Block is the weakening variant, where the three candles progressively shrink or their upper wicks lengthen. Same three-up shape, opposite implication.
How OptionLab Pro’s engine uses it
In the live engine
Each successive open must land INSIDE the prior candle's body range — not merely above its close. And Advance Block is checked before Three White Soldiers, so the weakening variant is reported when it qualifies; reversed, the healthy pattern would match first and the warning formation could never fire. The same applies to Identical Three Crows, which is checked before Three Black Crows.
go/internal/engine/candles.go (open-inside-body rule, Advance Block priority)The common mistake
Where traders get this wrong
Not testing where each candle opens. Three up-candles is an extremely common shape; three up-candles each opening inside the last body is much rarer and is what the pattern actually claims. Also: reading Advance Block as bullish because it looks like three green candles — it is the exhaustion version of the same shape.
Go deeper
There is a full lesson on this in the Academy, with an interactive widget and a Hindi translation.
Related terms
Educational and analytical content only. OptionLab Pro is not a SEBI-registered investment adviser or research analyst and does not give buy or sell recommendations. Derivatives trading carries a high risk of loss.