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

Educational reference. Data covers September 8, 2026, 4:47 PM to 12:02 AM ET. This window has closed; every value below already printed.

On September 8, 2026 at 4:47 PM ET, Average True Range on the Micro E-mini Nasdaq 100 15-minute chart read 8.13595. The model projected the next 30 bars from that point. The window ran to 12:02 AM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

2.3995.5468.693Sep 8, 4:47 PM ET12:02 AM ET
Projected Average True Range path, 30 bars from 4:47 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

2.3995.5468.693Sep 8, 4:47 PM ET12:02 AM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 4:47 PM ET8.13595
Projected value at 12:02 AM ET4.11044
Actual value at 12:02 AM ET5.72908
Projected change across the window-4.02552
Actual change across the window-2.40688
Bars moving the same direction18 of 29
Bars on the projected side of the opening reading20 of 30
Projected move relative to actual1.67×

Reading this window

The projection called for Average True Range to fall across the window, and it fell. The projection overshot: it called for 1.67 times the distance the market actually travelled. Bar to bar, 62% of the moves ran the same way as the projection, and 20 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 (10:02 PM ET), where they sat 1.29391 apart, and furthest at bar 0 (4:47 PM ET) with a gap of 6.16003. The largest single-bar change in the recorded values came at bar 13 (8:02 PM ET), a move of -2.50627. 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
15:02 PM2.134547.81949+5.68495
66:17 PM2.833818.69072+5.85691
127:47 PM3.386248.16847+4.78223
189:17 PM3.761035.24422+1.48319
2410:47 PM3.972875.40084+1.42798
2912:02 AM4.110445.72908+1.61864

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.