The volume columns
Colour shows the candle's direction: whether it closed up or down. It doesn't show who led the bar. Shade shows how busy the bar was compared with usual. The panel's legend says it in one line: "Colour: candle closed up or down. Shade: how busy for its time of day."
- Green: the candle closed up. It does not prove buyers started the trades.
- Terracotta: the candle closed down. It does not prove sellers started the trades.
- Grey: the candle closed where it opened.
Faint is quiet (under 0.7 times usual), medium is normal, strong is busy (1.5 times or more), full colour is very busy (2 times or more).
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