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

Educational reference. Data covers September 27, 2026, 1:37 AM to 2:06 AM ET. This window has closed; every value below already printed.

On September 27, 2026 at 1:37 AM ET, Average True Range on the BTCUSD 1-minute chart read 15.2742. The model projected the next 30 bars from that point. The window ran to 2:06 AM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

12.4815.7118.95Sep 27, 1:37 AM ET2:06 AM ET
Projected Average True Range path, 30 bars from 1:37 AM ET. Dashed line marks the reading at the start of the window.

What actually printed

12.4815.7118.95Sep 27, 1:37 AM ET2:06 AM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 1:37 AM ET15.2742
Projected value at 2:06 AM ET19.1392
Actual value at 2:06 AM ET12.0419
Projected change across the window+3.865
Actual change across the window-3.23232
Bars moving the same direction18 of 29
Bars on the projected side of the opening reading23 of 30
Projected move relative to actual1.20×

Reading this window

The projection called for Average True Range to rise, while it fell instead. The two moves were close in size: the projection covered 1.20 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 19 (1:55 AM ET), where they sat 0.0725041 apart, and furthest at bar 29 (2:06 AM ET) with a gap of 7.09732. The largest single-bar change in the recorded values came at bar 22 (1:59 AM ET), a move of -2.5318. The projected and recorded paths crossed at least once inside the 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
11:38 AM18.383116.0122-2.37085
61:43 AM18.872716.9888-1.88387
121:49 AM19.185517.5582-1.6273
181:55 AM19.14719.2195+0.0725041
242:01 AM19.234114.6605-4.57362
292:06 AM19.139212.0419-7.09732

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.