Published
What is VWAP and its envelopes?
A standard average treats every candle equally, including the ones where almost nothing traded. VWAP weights each price by the volume traded at that price: it gives the real average price of activity, the one executions clustered around. Envelopes add dispersion: bands computed in standard deviations around the line, turning a vague question, is price expensive, into a measurement, price is this many standard deviations from its volume weighted mean.
What DeepCharts does better
The period mode decides what the line says: Day for the session VWAP, Minutes or Seconds for a rolling window, and an Orders mode that computes over a number of orders rather than over time, which pulls the tool toward order flow logic instead of chart logic. Envelopes compute in standard deviation, so they adapt to volatility, or as a fixed percentage. Three bands are available and toggle independently, the first for the normal volatility range, the second for significant moves, the third for rare excursions. And nothing stops you stacking several VWAPs, a session one and a thirty minute one, to hold the day's fair value and the current hour's in the same glance.
Using it day to day
Two bands are enough in most cases: the first to know whether you sit in the normal zone, the second to spot extension. The third works as a guardrail more than a signal. The technical point to check before anything else is the session anchor: on a European contract like the FDAX, a VWAP restarting at the US open does not measure the day you are trading. Orders mode is worth a try on instruments where volume arrives in waves: the line stops drifting through quiet periods.
Typical mean-reversion case: price reaches the second upper band late morning, cumulative delta flattens and executions at the ask slow down. The zone is expensive and aggression is running out. The entry is not taken on the band, it is taken when order flow confirms the refusal, with VWAP itself as the obvious first target.
⚠ The trap to avoid
The absolute trap is selling the second band because it is the second band. In a well-fed trend price rides the band for hours and every counter-trend attempt dies there. A band says a price is statistically far away, not that it will come back. The second trap is quieter: changing the period mode without noticing, mentally comparing a session VWAP to a thirty minute VWAP, and drawing a conclusion from the difference.
Combine it with
VWAP gives fair value, the volume profile gives acceptance, the footprint gives the trigger. Read the trio in that order: price is expensive against the volume weighted mean, the market never accepted those prices on the profile, and the aggression that pushed them is now being absorbed. A band alone is worth nothing, those three facts aligned are worth a position.
FAQ
VWAP versus a moving average?+
A moving average treats every period equally. VWAP weights each price by the volume traded at that price, which gives the real average price of activity rather than an average of quotes.
What do the 1, 2 and 3 standard deviation bands represent?+
The first bounds the usual volatility range, where price spends most of its time. The second marks a significant, rarer move. The third marks extreme excursions. They are distance measurements, not reversal signals.
Can several VWAPs be displayed at once?+
Yes, and it is often the best use: a session VWAP for the day's fair value, a short one in minutes or orders for the current hour. Together they show whether the recent move is leaving or returning to the underlying reference.
Want to get better at order flow?
We discuss flow, liquidity and our trades live, every day, on the OrderFlowFutures Discord. Join us, it's free.
Join the Discord for free5 online·35 members·Free · instant access