Not a gap

The lookalike: a big candle between two small ones whose outer wicks overlap, which proves orders were resting inside it.

Most big candles on your chart are not fair value gaps. The shape is easy to see and easy to get wrong.

The lookalike

Here is a set that looks right at a glance.

Candle 1 reaches up to 2,406. Candle 2 is large and green. Candle 3 sits above it and looks like the third candle of a gap.

Then you check candle 3's lowest point. It is 2,403.

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