Concept
Delta Profile
Delta Profile, also known as bid/ask profile, is a Volume & Order Flow concept. The Library holds 9 implementations, each one a working definition you can pull into Quant.
Top Delta Profile indicators
9 total
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What is a Delta Profile?
A delta profile is a price-by-price histogram of net aggression. For every price level in a chosen window (a session, a swing, the visible range), it accumulates volume delta: volume executed at the ask minus volume executed at the bid. Each row therefore shows whether market buyers or market sellers were the initiators at that price. Where a volume profile answers how much traded at a level, the delta profile answers who was pressing at it: positive rows mark levels attacked by buyers, negative rows mark levels attacked by sellers. Some platforms label the same construction a bid/ask delta profile, while others display bid and ask volume separately at each price rather than the net.
Interpretation runs through what price did next. Strong positive delta at a level that launched higher reads as initiative buying; equally strong positive delta at a level where price stalled reads as buyers being absorbed by passive sellers, which is often the more useful finding. Two caveats keep the tool honest. Delta needs trade data with bid/ask attribution, so platforms without tick data estimate it, and different feeds produce visibly different profiles. And the profile is descriptive of what already happened, with no guarantee that the same participants will defend a level on the revisit.
How traders use it
- To locate defended levels: rows where one side's aggression repeatedly failed to move price flag likely resting interest, giving order-flow evidence for a support or resistance zone beyond a simple touch count.
- To spot absorption at extremes: heavy negative delta clustered at lows that refuse to break suggests sellers are being soaked up, a common precondition in reversal playbooks, with the mirror case at highs.
- In confluence with the standard profile: a busy level whose delta is heavily skewed tells you which side built it, refining how high- and low-volume nodes are traded on a retest.
- For post-trade review: seeing where delta concentrated during a move shows whether entries were with or against the dominant aggressor, which candles alone rarely reveal.
Delta Profile vs related concepts
Volume Profile: Same histogram format, different quantity: total volume versus signed buy-minus-sell volume. A level can be enormous on the volume profile and nearly flat on the delta profile if trade there was evenly two-sided.
Footprint Concepts: A footprint shows bid/ask volume per price per bar, a bar-by-bar matrix. The delta profile aggregates the same data across a whole window into one distribution, trading granularity for structure.
Cumulative Volume Delta: CVD plots net delta over time; the delta profile plots it over price. One shows when aggression shifted, the other shows where it was spent.
More Delta Profile implementations
Related concepts · Volume profile
Concept family
Volume & Order Flow
87 concepts mapped · 62 in the Library
Delta Profile FAQ
What data does a delta profile require?
Trade-level data with each execution attributed to the bid or the ask. On platforms without tick or bid/ask data, delta is estimated from intrabar price movement, so profiles built from different feeds or estimation methods will not match exactly. When the data is estimated, treat the resulting levels as zones rather than exact prices.
How is a delta profile different from a volume profile?
A volume profile stacks total traded volume at each price; a delta profile stacks the net of buyer-initiated minus seller-initiated volume. The first shows where business was done, the second shows who was forcing it. Many traders display both, since a busy level means something different depending on its delta.
What does heavy negative delta at a low mean?
On its own, only that sellers were hitting bids aggressively there. If the low holds anyway, that aggression was absorbed, which reversal traders read as constructive. If the low breaks, the same delta reads as initiative selling that succeeded. The profile supplies the flow; the resolution still comes from price.
Build Delta Profile your way.
Quant writes, tests, and refines it with you — then it runs on LuxAlgo charting or ports to TradingView.