Sessions most like 2026-08-27, as of 11:30 ET
What would separate them: Worth watching is whether the pullback finds buyers where earlier dips did and the pushes back up carry rising trade behind them, or whether the give-back deepens while attempts higher fade quickly on thin volume. How the late-morning high is handled on a retest, accepted through or rejected, is the cleanest tell for which of these groups today ends up resembling.
What these sessions share is not the early range, which the matcher picks by construction, but how little of the morning advance they had surrendered by the cutoff: most were still pressed up against their highs, far tighter than a typical session at that stage. Today is the ragged edge of that group. Its give-back is deeper than most of the analogs and much closer to what an ordinary session shows, and it is sitting near the worst of that give-back right now rather than well off it. Trade is also lighter than the wider sample's norm and near the quiet end of the cohort, with a daily range on the calmer side of a group that runs from placid to very wide.
These made fresh highs after the cutoff with almost no downside along the way, and each finished firmer than where it stood at the cutoff. The pullback in place at the cutoff turned out to be a pause rather than a turn.
This group nudged marginally above the late-morning high and then did very little with it, closing within a hair of where it stood at the cutoff. Neither side got traction, and the afternoon was chop around the same area.
Pushes higher after the cutoff got nowhere, a marginal poke through the morning high at best, and the give-back deepened steadily into a soft close. The morning's low was never taken out, but the day finished well under where it stood at the cutoff.
This session traded straight down through the morning low and kept going, running far beneath it before buyers turned up. It recovered a good part of the damage into the close but still finished meaningfully lower, by a wide margin the deepest give-back in the group.
Written from the computed figures only, by a model that is not permitted to write a number — every count above is rendered from the same data as the table. Camps are one reading of these sessions, not a forecast: the matched features have been measured to add nothing over price position alone, so a cohort rate at this sample size is descriptive.
What kind of session these became — expansion one way, both ways, or balance — on the same four-way split the corpus study uses, where balance is a third of all sessions. Deliberately not a hit rate: which extreme gets taken largely restates where price already sat at the cutoff, and nobody holds to the close anyway. How far it ran, what it cost to sit through, and when it got there are the parts a trade is built on. n=12.
| plot | session | dist | ATR | IB /ATR | RVOL | retr now | retr max | to close | max up | max down | new high | new low |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-27 — today | 0.00 | 44.0 | 0.62 | 0.93 | 30% | 34% | in progress | |||||
| 2026-01-09 | 0.34 | 48.0 | 0.89 | 1.17 | 26% | 27% | +0.23 | +0.50 | -0.07 | YES | — | |
| 2023-03-14 | 0.65 | 48.2 | 0.50 | 1.30 | 14% | 16% | -0.33 | +0.07 | -1.31 | — | YES | |
| 2026-02-24 | 0.67 | 80.5 | 0.80 | 1.13 | 16% | 22% | +0.16 | +0.28 | -0.12 | YES | — | |
| 2026-01-23 | 0.69 | 46.0 | 0.60 | 0.76 | 31% | 37% | -0.21 | +0.12 | -0.52 | — | — | |
| 2023-12-12 | 0.71 | 26.5 | 0.65 | 0.83 | 30% | 40% | +0.64 | +0.66 | -0.10 | YES | — | |
| 2026-03-04 | 0.73 | 84.2 | 0.81 | 1.06 | 30% | 50% | -0.02 | +0.23 | -0.07 | YES | — | |
| 2024-08-08 | 0.77 | 65.8 | 0.96 | 1.29 | 15% | 16% | +0.42 | +0.53 | -0.19 | YES | — | |
| 2024-11-18 | 0.77 | 47.2 | 0.44 | 0.86 | 16% | 18% | -0.09 | +0.18 | -0.36 | YES | — | |
| 2022-12-21 | 0.79 | 57.0 | 0.44 | 1.00 | 21% | 31% | -0.04 | +0.17 | -0.22 | YES | — | |
| 2026-02-18 | 0.82 | 79.8 | 0.72 | 0.98 | 14% | 19% | -0.26 | +0.12 | -0.55 | YES | — | |
| 2024-04-23 | 0.83 | 56.8 | 0.57 | 1.13 | 15% | 37% | +0.14 | +0.22 | -0.11 | YES | — | |
| 2025-10-08 | 0.83 | 47.8 | 0.55 | 0.79 | 8% | 17% | +0.11 | +0.14 | -0.09 | YES | — | |
| cohort low | 26.5 | 0.44 | 0.76 | 8% | 16% | -0.33 | +0.07 | -1.31 | ||||
| cohort median | 56.8 | 0.65 | 1.06 | 16% | 27% | +0.11 | +0.22 | -0.12 | ||||
| cohort high | 84.2 | 0.96 | 1.30 | 31% | 50% | +0.64 | +0.66 | -0.07 | ||||
| cohort hit rate | 10/12 | 1/12 | ||||||||||
| CORPUS median (n=967) | 50.5 | 0.51 | 1.00 | 34% | 60% | +0.05 | +0.30 | -0.28 | ||||
| CORPUS base rate | 56% | 50% | ||||||||||
All ATR-normalised and measured from the 11:30 cutoff. max up / max down are forward excursions after the cutoff — not the session extremes, which in most of these were already set. new high / new low ask whether the post-cutoff move exceeded the pre-cutoff extreme. Click any row to expand that session's chart to full width and jump to it; click again to collapse.
Matched on seven measures, all ATR-normalised and z-scored: distance from VWAP, magnitude of the high off the open, the clock time of that high, expansion of the price-VWAP gap across IB creation, how far VWAP itself was dragged, and how much of the drive has been retraced — both currently and at its deepest. The IB-gap and VWAP terms separate a day that trended from one that chopped to the same place; the retracement terms separate a day still pinned near its high from one that has round-tripped to the open. Ordered nearest first. Solid = up to 11:30, the part matched on. Faded = the rest of the day, the part to read. Shaded band left of the 09:30 marker is premarket from 06:00 ET. The y-axis is a shared ATR ruler with the session open at 0, identical on every tile, so magnitudes are directly comparable.
n=12. This is a case-inspection tool for rare behaviour — sort the tiles into camps by eye. It is not an inference tool, and a percentage taken off this many charts would not mean anything.
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