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Value area: trading the return to yesterday's busiest prices.

Yesterday's volume profile marks where most trading happened: the point of control and the value area around it. A widely taught rule trades a return into that area after an open outside it. Here is how the levels are built, the rules in numbers, and three real MNQ sessions.

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How VAH, VAL and POC are built (70%, regular session), the rule card, a real session it reached the far edge, one it lost, and one where the rules stayed out. The free overview is below; we also email you the link, so it is one tap away next time.

What is the value area?

A volume profile turns a session sideways: instead of price over time, it shows how much traded at each price. Three levels come out of it:

  • Point of control (POC): the price where the most volume traded.
  • Value area: the range around the POC that holds about 70% of the session's volume, by the usual convention. Its top is the value area high (VAH), its bottom the value area low (VAL).
  • Prices outside the value area traded, but briefly: the market visited them and moved on.
Illustration, not market data: a sideways histogram of one session's volume at each price. The longest row is the point of control (POC); the shaded rows around it make up the value area, about 70% of the volume, with the value area high (VAH) at the top and the value area low (VAL) at the bottom.
POC, VAH and VAL come from one session's volume. Start at the busiest price and grow outward until the area holds 70% of the volume. Illustration drawn by Tarrow Futures, not market data.

Where the idea comes from

Value areas come from auction market theory and the Market Profile method that J. Peter Steidlmayer developed at the Chicago Board of Trade in the 1980s. The idea: a market auctions up and down to find prices where both sides are willing to trade a lot; that zone is "value", and prices far from it either get rejected or start a new auction. Market Profile measures this by time spent at each price; volume profile measures it by contracts traded. The 70% figure is a convention from that teaching (roughly one standard deviation of a bell curve), a definition rather than a measured result.

Which profile? Write it down first

"Yesterday's value area" needs a few choices before it is a number. Ours: the prior day's regular session only (9:30 to 16:00 ET, no overnight trading), 4 ticks per row (one MNQ point), and the 70% value area. On TradingView that is the built-in Fixed Range Volume Profile drawn from 9:30 to 16:00, with Value Area 70% and Ticks Per Row 4. A profile that includes the overnight session, a multi-day composite or coarser rows gives different levels, sometimes by enough to change a signal.

The idea in five lines

  • Setup: today opens outside yesterday's value area.
  • Acceptance: two 30-minute bars in a row close back inside it.
  • Entry: at that close, toward the far side of the value area.
  • Stop and target: stop beyond those two bars (at least 10 points); target the far edge, and only if it is at least as far as the stop.
  • One a day, and no trade if acceptance has not happened by 13:00 ET.

Market Profile teaching often nicknames this the "80% rule". It is a nickname only: we do not quote the number in it as a probability, and the name is not evidence the idea works.

Illustration, not market data: yesterday's value area as a shaded band between VAH and VAL with the POC in the middle. Today opens above VAH; two half-hour bars (1 and 2) close back inside the band; the short goes in at the second close with the stop one tick past those two bars, at least 10 points away, and the target at the far edge, VAL.
Outside at the open, two half-hour closes back inside, then toward the far edge. Below VAL everything is mirrored. Illustration drawn by Tarrow Futures, not market data.

How it sits inside prop rules, and where it bites

It trades at most once a day and on many days not at all, so the daily loss limit is rarely the problem. The bite is the stop: 30-minute bars are big, so the stop can be several times wider one day than the next. On the two traded MNQ sessions in the full breakdown it was 26.25 and 91.25 points. Sizing from the stop is not optional here; on a wide day it means one micro, or no trade.

What is in the full breakdown

  • How the levels are builtPOC, VAH and VAL step by step, and the settings to match on your platform.
  • The rule cardSetup, acceptance, entry, stop, target, room check, time and cap, in numbers.
  • A real session where it workedMNQ, 18 Sep 2026: open above value, acceptance, and the trip to the far edge.
  • A real session where it failedMNQ, 4 Sep 2026: a 91.25-point stop, one micro, and a time exit.
  • A real session where it stayed outMNQ, 21 Sep 2026: an open far above value that never came back.

The full breakdown · free with your email

Value area and POC: rules, real charts, prop-rule fit

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1. How the levels are built

  1. Take the prior regular session, 9:30 to 16:00 ET. Overnight trading is left out.
  2. Add up volume in rows of 4 ticks (one MNQ point).
  3. POC = the row with the most volume.
  4. Grow the value area from the POC. Compare the volume in the rows just above it with the rows just below, add the busier side, and repeat until the area holds 70% of the session's volume.
  5. VAH = the top of that area, VAL = the bottom.

You do not have to do this by hand. Every level on this page is TradingView's own: the built-in Fixed Range Volume Profile drawn over the prior day from 9:30 to 16:00 ET, Value Area 70%, Ticks Per Row 4, read on a 1-minute chart (a 5-minute chart gave the same levels). The chart timeframe matters: on a 30-minute chart the same tool put 17 Sep's VAH at 29,750 instead of 29,761. Match the session, the row size, the percentage and the chart you read it on, and write them down.

MNQ 5-minute chart, 17 September 2026, 9:30 to 16:00 ET, with TradingView's Fixed Range Volume Profile: the point of control at 29,736.5 and the value area from 29,677 to 29,761, the value-area rows brighter than the rest
MNQ1! · 5-minute · 17 Sep 2026, 9:30–16:00 ET · TradingView Fixed Range Volume Profile (Value Area 70%, 4 ticks per row) · Chart: TradingView (snapshot; levels and labels marked by Tarrow Futures).

2. The rule card

Teaching example · not a recommendation

Return into the prior day's value area, 30-minute signals

  1. Levels. Yesterday's regular-session volume profile (9:30–16:00 ET): POC, VAH and VAL, Value Area 70%, 4 ticks per row.
  2. Setup. Today's 9:30 ET open is above VAH or below VAL. If it opens inside, there is no setup today.
  3. Acceptance. Two consecutive 30-minute bars (counted from 9:30) close inside the value area, strictly between VAL and VAH.
  4. Entry. At the second bar's close, toward the far edge: short if the day opened above value, long if below. The last possible entry is the bar that closes at 13:00 ET.
  5. Stop. One tick (0.25) beyond the extreme of the two accepting bars. Never closer than 10 points.
  6. Target. The far edge: VAL for a short, VAH for a long. If it is closer than the stop, there is no trade. The POC is a waypoint, not a target.
  7. Exit. Stop, target or 15:50 ET, checked on 1-minute bars. A bar that touches both counts as the stop.
  8. One a day. One trade at most; the first acceptance is the only one that counts.
  9. Size. Contracts = the money you allow per trade ÷ ((stop in points + your cost allowance in points) × the point value), rounded down. If that is zero, there is no trade.

This is the widely taught return-into-value idea from Market Profile teaching (the "80% rule" nickname; a name, not a probability), written with the common two-half-hour acceptance and taught as a worked example of the rules; that is not evidence it is profitable. MNQ is $2 a point (CME Group contract specs). The examples below use a $200 budget per trade and a 2-point cost allowance (example figures).

Illustration of four cases from the open: opens inside yesterday's value area (no trade); opens outside and no two half-hour closes inside by 13:00 (no trade); two closes inside but the far edge is nearer than the stop (no trade); two closes inside with the far edge at least as far as the stop (trade).
Three of four branches end in no trade. Most of the rule card is about when to stay out. Illustration drawn by Tarrow Futures, not market data.

3. A session where the rules worked

Real chartSelected example, chosen to show the rulesFar edge reached

MNQ 5-minute chart, 17 and 18 September 2026: 17 September's volume profile with VAH 29,761, POC 29,736.5 and VAL 29,677 carried into 18 September; the session opens above VAH at 29,814.75, the 10:00 and 10:30 half-hours close back inside, a short at 29,759.00 at 11:00 with the stop at 29,785.25, and VAL trades at 12:23
MNQ1! · 5-minute · 17–18 Sep 2026, regular session · TradingView Fixed Range Volume Profile on 17 Sep (70%, 4 ticks per row) · Chart: TradingView (snapshot; levels and labels marked by Tarrow Futures). A past session, selected to show the rules, not a typical result.
StepWhat the chart showsNumber
Levels17 Sep regular session: VAL / POC / VAH29,677 / 29,736.5 / 29,761
Setup18 Sep opened above VAH; the 9:30 half-hour closed above it too (29,776.25)29,814.75
AcceptanceThe 10:00 and 10:30 half-hours closed inside the value area29,729.25, 29,759.00
EntryShort at the second close (11:00)29,759.00
StopOne tick above the two bars' high (29,785.00)29,785.25, 26.25 pts
TargetVAL, 82 pts away (more than the stop, so allowed)29,677
Size$200 ÷ ((26.25 + 2) × $2) = 3.54, rounded down (example budget and cost allowance)3 MNQ
OutcomeVAL traded at 12:2382 × $2 × 3 = +$492

The open above yesterday's value area asked whether higher prices would be accepted. Within the first hour two half-hour bars closed back inside, and the rule went with the rotation back through value. It passed the POC on the way, which the card treats as a waypoint, not a target. Risk at 3 MNQ was 3 × 26.25 × $2 = $157.50. Dollar figures are before commissions and slippage. Hypothetical: what the written rules would have done that day, not a trade anyone placed (CFTC Rule 4.41 notice below the next examples).

4. A session where the same rules failed

Real chartSelected example, chosen to show the rulesTime exit, loss

MNQ 5-minute chart, 3 and 4 September 2026: 3 September's volume profile with VAH 29,584, POC 29,527.5 and VAL 29,318; 4 September opens at 29,588.50, the 10:30 and 11:00 half-hours close inside, a short at 29,507.25 at 11:30 with the stop at 29,598.50, VAL is never reached and the trade exits at 15:50 at 29,551.25
MNQ1! · 5-minute · 3–4 Sep 2026, regular session · TradingView Fixed Range Volume Profile on 3 Sep (70%, 4 ticks per row) · Chart: TradingView (snapshot; levels and labels marked by Tarrow Futures). A past session, selected to show the rules, not a typical result.
StepWhat the chart showsNumber
Levels3 Sep regular session: VAL / POC / VAH29,318 / 29,527.5 / 29,584
SetupOpened 4.5 points above VAH29,588.50
AcceptanceThe 10:30 and 11:00 half-hours closed inside29,520.75, 29,507.25
EntryShort at the second close (11:30)29,507.25
StopOne tick above the two bars' high (29,598.25)29,598.50, 91.25 pts
Size$200 ÷ ((91.25 + 2) × $2) = 1.07, rounded down1 MNQ
OutcomeVAL (29,318) never traded; exit at 15:50 at 29,551.25, 44 pts against44 × $2 = −$88
The lesson: the bars set the stop, the budget sets the size

Two half-hour bars can span a hundred points. The stop came out at 91.25 points, more than three times the winning session's, and the size rule cut the position to one micro. At the winning session's size of three, the same afternoon would have cost 3 × 44 × $2 = $264, and a full stop 3 × 91.25 × $2 = $547.50, well over the $200 example budget.

The time exit mattered too. Price spent the afternoon around the POC and never reached the target; the 15:50 exit is what ended the trade. The open was also only 4.5 points outside value, a thin "outside". Traders propose filters for days like this (how far outside the open is, how fast it comes back). We do not offer one. Test any filter before trusting it.

5. A session where the rules stayed out

Real chartSelected example, chosen to show the rulesNo trade

MNQ 5-minute chart, 18 and 21 September 2026: 18 September's value area from 29,695 to 29,805 with the POC at 29,734.5; on 21 September the session opens at 30,222, 417 points above VAH, and no half-hour bar closes back inside value by 13:00, so the rules take no trade
MNQ1! · 5-minute · 18 and 21 Sep 2026, regular session · TradingView Fixed Range Volume Profile on 18 Sep (70%, 4 ticks per row) · Chart: TradingView (snapshot; levels and labels marked by Tarrow Futures). A past session, selected to show the rules, not a typical result.

Friday 18 September's value area ran from 29,695 to 29,805 (POC 29,734.5). Monday opened at 30,222, 417 points above VAH. The lowest half-hour close before 13:00 was the first one, 30,417; not one bar closed back inside value. Rule 3 never triggered, so there was no trade.

A gap far outside value tempts a fade. The acceptance rule is what stops it: until the market shows it will trade back inside yesterday's value, there is nothing to trade. A no-trade day is the rule set working as written.

CFTC Rule 4.41: Hypothetical or simulated performance results have certain limitations. Unlike an actual performance record, simulated results do not represent actual trading. Also, since the trades have not been executed, the results may have under- or over-compensated for the impact, if any, of certain market factors, such as lack of liquidity. Simulated trading programs in general are also subject to the fact that they are designed with the benefit of hindsight. No representation is being made that any account will or is likely to achieve profit or losses similar to those shown.

6. How it fits prop firm rules

Bar chart at a $200 example budget: a 26.25-point stop sized to 3 MNQ risks $157.50; a 91.25-point stop sized to 1 MNQ risks $182.50; the same 91.25-point stop at 3 MNQ would risk $547.50, well over the budget.
Half-hour bars make wide stops; size from each one. Contracts = $200 ÷ ((stop + 2 pts of example costs) × $2), rounded down: 3 MNQ at 26.25 points, 1 at 91.25. Example figures, not results.

Daily loss limit: rarely the problem

Example figures: one trade a day at a $200 budget is a $200 worst day plus costs, a fifth of a $1,000 daily limit. The size swings instead: 3 MNQ at a 26.25-point stop ($157.50 at risk), 1 at 91.25 ($182.50), and none once the stop is wider than 98 points.

Trailing drawdown: long holds lift the floor

Far-edge targets can take hours. Under an intraday trailing drawdown, open profit lifts the floor the whole time. Example at 3 MNQ with a 26.25-point stop: +60 points open (+$360) from a balance high, then a reversal to the stop (−$157.50), shrinks the room by $517.50.

Consistency rule

Example figures: under a 50% consistency rule, a +$492 best day needs $984 of total profit before it fits. Rules and percentages differ by firm; check yours.

Close-out time

The card's 15:50 ET exit is ours. If your firm requires you to be flat earlier, its time becomes the time exit. Check your firm's current rulebook.

Free toolPosition size calculator: contracts from your limit and your stop Free toolDrawdown room calculator: where your floor sits now Free toolConsistency rule checker: does your best day fit? BlogWhy open profit raises an intraday trailing floor

7. Test it yourself before you trade it

  1. Match the profile. Session hours, row size, the 70% setting and the chart timeframe decide the levels. Check your platform's VAH and VAL against your test's for the same days.
  2. Count the setups. One trade at most, on the days that open outside value and come back. Know how often that is before you judge it.
  3. Fix the acceptance rule before you look at results. Two half-hour closes is the common form; if you try another, judge it on sessions you did not use to choose it.
  4. Backtest with costs and the time exit. Long holds meet the close; include the 15:50 exit.
  5. Forward-test on a simulator for weeks before any paid evaluation.
Free 32-page guideBuild It, Break It, Then Trade It: backtest and stress-test a strategy, step by step Strategy libraryYesterday's other levels: the prior-day high and low

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Disclosures

Education only. This page explains how a widely known, public strategy is defined and how you could test it yourself. It is not advice, not a recommendation to trade any contract, size or strategy, and not a signal: it shows no setup for any future session. Charts are real past sessions, chosen to show the rules (including a day they failed); they are selected examples, not typical results. The charts are TradingView snapshots (MNQ1!, regular trading hours, one-minute unless the caption says otherwise; a volume profile, where shown, is TradingView's built-in Fixed Range Volume Profile); diagrams labelled as illustrations are drawn by Tarrow Futures and are not market data. The level, range, entry, stop and target marks and labels on them were added by Tarrow Futures. Bars may differ slightly from those on your platform. Trade outcomes on this page are what the written rules would have done on those days, before commissions and slippage. They are not trades Tarrow Futures placed. Dollar figures for sequences and rules are example figures, not results. Prop firm rules differ and change; your firm's current rulebook decides. Futures trading involves substantial risk of loss. Automation does not remove risk.

CFTC Rule 4.41: Hypothetical or simulated performance results have certain limitations. Unlike an actual performance record, simulated results do not represent actual trading. Also, since the trades have not been executed, the results may have under- or over-compensated for the impact, if any, of certain market factors, such as lack of liquidity. Simulated trading programs in general are also subject to the fact that they are designed with the benefit of hindsight. No representation is being made that any account will or is likely to achieve profit or losses similar to those shown.