VWAP for a period is the sum of each trade price multiplied by its volume, divided by total volume. Trading platforms often approximate it from bars. It describes where volume transacted during the chosen session; it does not predict the next price.
For trades i, VWAP = Σ(priceᵢ × volumeᵢ) / Σvolumeᵢ. Candle-based versions may use a typical price rather than every execution, so values can differ between data vendors even before considering venue coverage.
An institution buying below the session VWAP may report favorable execution relative to observed market volume. The comparison is conditional: the order itself may move price, the benchmark may exclude venues and a different schedule would face different liquidity.
Standard VWAP usually resets at the session boundary. Anchored VWAP starts from a chosen event, low, high or date. Bitcoin trades continuously, so the timezone and reset rule must be specified; there is no universal daily session.
Traders use VWAP as a reference for trend, mean reversion or dynamic support and resistance. Those labels are hypotheses, not market laws. A price crossing VWAP does not reveal intent and has no fixed standalone expectancy.
Reported exchange volume can differ in quality and excludes off-exchange activity. Backtests must use contemporaneously available data, include fees and slippage and avoid choosing anchors after seeing the outcome.
Primary or authoritative records make these details checkable: volume-weighted average price divides traded notional by volume over a defined market and interval; execution algorithms may schedule child orders relative to expected volume to target that benchmark. They should be verified before using the coordinate in analysis.
The practical limit is: VWAP depends on venue data and cannot guarantee best execution, low impact or a profitable signal; hidden venues, fake volume, timing, fees and an order's own market impact matter. A definition, office, chart pattern or published claim is not by itself a prediction or Bitcoin consensus rule.
For the clearest picture, read this entry together with TWAP, Market impact, Mean reversion. The reverse links also lead from Market impact, TWAP, Day trading.