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

Educational reference. Data covers September 8, 2026, 4:20 PM to 11:35 PM ET. This window has closed; every value below already printed.

On September 8, 2026 at 4:20 PM ET, Average True Range on the Micro E-mini Nasdaq 100 15-minute chart read 4.38647. The model projected the next 30 bars from that point. The window ran to 11:35 PM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

2.9983.9654.932Sep 8, 4:20 PM ET11:35 PM ET
Projected Average True Range path, 30 bars from 4:20 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

2.9983.9654.932Sep 8, 4:20 PM ET11:35 PM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 4:20 PM ET4.38647
Projected value at 11:35 PM ET5.05803
Actual value at 11:35 PM ET5.06152
Projected change across the window+0.671565
Actual change across the window+0.675056
Bars moving the same direction19 of 29
Bars on the projected side of the opening reading21 of 30
Projected move relative to actual0.99×

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 0.99 times the distance the market actually travelled. Bar to bar, 66% of the moves ran the same way as the projection, and 21 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 14 (7:35 PM ET), where they sat 0.00208966 apart, and furthest at bar 0 (4:20 PM ET) with a gap of 1.51811. The largest single-bar change in the recorded values came at bar 11 (7:05 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
14:35 PM3.019654.47389+1.45424
65:50 PM3.725844.42318+0.697347
127:20 PM4.29234.27192-0.0203826
188:50 PM4.689344.76776+0.0784255
2410:20 PM4.952295.03971+0.0874209
2911:35 PM5.058035.06152+0.00349111

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.