Prior day high (PDH) and prior day low (PDL) are the highest and lowest traded prices of the previous calendar day. Because they are visible on every chart and used by a huge number of discretionary and algorithmic traders, they function as self-fulfilling reference levels.
Three common uses: as breakout triggers (long if today closes above yesterday's high), as target levels (price often gravitates back to PDH/PDL during the next session), and as liquidity pools (resting stops cluster just beyond them, making them frequent sweep targets).
In 24/7 markets like crypto the 'day' boundary is a convention — UTC 00:00 is most common, but exchange-local midnight is also seen. Pick one and be consistent across signals and backtests.
Exemple
Yesterday's BTC range: 49,500 → 51,800. PDH = 51,800, PDL = 49,500. A clean break above 51,800 with volume is a textbook PDH breakout setup; a wick to 51,860 that closes back at 51,720 is a PDH sweep.
Comment Noon Barbari utilise Prior day high / prior day low (PDH / PDL)
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PDH / PDL in noonbarbari →Termes liés
- Structure de marché
Liquidity sweep
Price briefly trades through an EQH or EQL to trigger resting stops, then immediately reverses.
- Structure de marché
Break of structure (BOS)
Price closing through a prior swing point in the direction of the existing trend.
- Structure de marché
Equal highs / equal lows (EQH / EQL)
Two or more swing pivots printing at nearly the same price — a visible liquidity pool.
- Structure de marché
Support
A price level where falling demand outpaces supply, halting or reversing declines.