Average True Range forecast vs outcome — BTCUSD, 1-minute chart, September 27, 2026

Educational reference. Data covers September 27, 2026, 1:27 AM to 1:56 AM ET. This window has closed; every value below already printed.

On September 27, 2026 at 1:27 AM ET, Average True Range on the BTCUSD 1-minute chart read 17.6661. The model projected the next 30 bars from that point. The window ran to 1:56 AM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

7.89113.2718.66Sep 27, 1:27 AM ET1:56 AM ET
Projected Average True Range path, 30 bars from 1:27 AM ET. Dashed line marks the reading at the start of the window.

What actually printed

7.89113.2718.66Sep 27, 1:27 AM ET1:56 AM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 1:27 AM ET17.6661
Projected value at 1:56 AM ET11.1197
Actual value at 1:56 AM ET14.2451
Projected change across the window-6.54643
Actual change across the window-3.42106
Bars moving the same direction18 of 29
Bars on the projected side of the opening reading23 of 30
Projected move relative to actual1.91×

Reading this window

The projection called for Average True Range to fall across the window, and it fell. The projection overshot: it called for 1.91 times the distance the market actually travelled. Bar to bar, 62% of the moves ran the same way as the projection, and 23 of the 30 bars finished on the projected side of the opening reading. One window is a single observation, not a pattern; it is published here so the projection and the outcome can be checked against each other.

How the window developed

The two paths were closest at bar 22 (1:48 AM ET), where they sat 0.532107 apart, and furthest at bar 0 (1:27 AM ET) with a gap of 10.4982. The largest single-bar change in the recorded values came at bar 12 (1:39 AM ET), a move of -2.5318. The projected path stayed on one side of the recorded values for the whole window.

Bar-by-bar read-out

Six points sampled across the 30 bars, showing the projected value, the value that printed, and the difference between them.

BarTime (ET)ProjectedRecordedDifference
11:28 AM7.4467216.6004+9.15372
61:33 AM8.7146818.0838+9.36907
121:39 AM9.7036814.6848+4.98113
181:45 AM10.370113.9368+3.56665
241:51 AM10.778112.3448+1.56671
291:56 AM11.119714.2451+3.12538

About Average True Range on a 1-minute chart

Average True Range measures how much ground a market covers per bar. It describes volatility, not direction, so a rising ATR means wider bars rather than higher prices. On the 1-minute timeframe a 30-bar projection covers 30 minutes of trading, so the window above describes 30 minutes of BTCUSD activity rather than a single print.

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Trading involves risk. Past performance and model projections do not guarantee future results. This page is a record of one closed window, published for educational reference, and is not financial advice or a recommendation to buy or sell any instrument.