Average True Range forecast vs outcome — Micro E-mini Nasdaq 100, 15-minute chart, September 8, 2026

Educational reference. Data covers September 8, 2026, 4:19 PM to 11:34 PM ET. This window has closed; every value below already printed.

On September 8, 2026 at 4:19 PM ET, Average True Range on the Micro E-mini Nasdaq 100 15-minute chart read 4.52957. The model projected the next 30 bars from that point. The window ran to 11:34 PM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

3.2574.2385.218Sep 8, 4:19 PM ET11:34 PM ET
Projected Average True Range path, 30 bars from 4:19 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

3.2574.2385.218Sep 8, 4:19 PM ET11:34 PM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 4:19 PM ET4.52957
Projected value at 11:34 PM ET5.1501
Actual value at 11:34 PM ET5.34946
Projected change across the window+0.62053
Actual change across the window+0.819888
Bars moving the same direction21 of 29
Bars on the projected side of the opening reading28 of 30
Projected move relative to actual0.76×

Reading this window

The projection called for Average True Range to rise across the window, and it rose. The market travelled further than projected — the projection covered only 0.76 times the realised distance. Bar to bar, 72% of the moves ran the same way as the projection, and 28 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 11 (6:49 PM ET), where they sat 0.00460854 apart, and furthest at bar 0 (4:19 PM ET) with a gap of 1.404. The largest single-bar change in the recorded values came at bar 9 (6:34 PM ET), a move of -0.230689. 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
14:34 PM3.246374.378+1.13163
65:49 PM3.90754.47156+0.564058
127:19 PM4.43394.37897-0.054927
188:49 PM4.780614.64634-0.13427
2410:19 PM4.986324.96617-0.0201474
2911:34 PM5.15015.34946+0.199358

About Average True Range on a 15-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 15-minute timeframe a 30-bar projection covers 7.5 hours of trading, so the window above describes 7.5 hours of Micro E-mini Nasdaq 100 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.