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

Educational reference. Data covers September 8, 2026, 4:21 PM to 11:36 PM ET. This window has closed; every value below already printed.

On September 8, 2026 at 4:21 PM ET, Average True Range on the Micro E-mini Nasdaq 100 15-minute chart read 4.48672. The model projected the next 30 bars from that point. The window ran to 11:36 PM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

3.1684.0694.969Sep 8, 4:21 PM ET11:36 PM ET
Projected Average True Range path, 30 bars from 4:21 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

3.1684.0694.969Sep 8, 4:21 PM ET11:36 PM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 4:21 PM ET4.48672
Projected value at 11:36 PM ET5.09014
Actual value at 11:36 PM ET5.0043
Projected change across the window+0.603422
Actual change across the window+0.517578
Bars moving the same direction18 of 29
Bars on the projected side of the opening reading24 of 30
Projected move relative to actual1.17×

Reading this window

The projection called for Average True Range to rise across the window, and it rose. The two moves were close in size: the projection covered 1.17 times the distance the market actually travelled. Bar to bar, 62% of the moves ran the same way as the projection, and 24 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 29 (11:21 PM ET), where they sat 0.0111589 apart, and furthest at bar 0 (4:21 PM ET) with a gap of 1.43949. The largest single-bar change in the recorded values came at bar 15 (8:06 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
14:36 PM3.202954.54339+1.34044
65:51 PM3.823574.52957+0.706007
127:21 PM4.375694.47156+0.0958739
188:51 PM4.704084.37897-0.325113
2410:21 PM4.937594.64634-0.291245
2911:36 PM5.090145.0043-0.0858437

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.