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

Educational reference. Data covers September 8, 2026, 4:45 PM to 12:00 AM ET. This window has closed; every value below already printed.

On September 8, 2026 at 4:45 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 12:00 AM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

2.7365.7258.715Sep 8, 4:45 PM ET12:00 AM ET
Projected Average True Range path, 30 bars from 4:45 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

2.7365.7258.715Sep 8, 4:45 PM ET12:00 AM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 4:45 PM ET8.13595
Projected value at 12:00 AM ET4.35121
Actual value at 12:00 AM ET5.72908
Projected change across the window-3.78474
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 actual1.57×

Reading this window

The projection called for Average True Range to fall across the window, and it fell. The projection overshot: it called for 1.57 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 24 (10:30 PM ET), where they sat 1.05389 apart, and furthest at bar 8 (6:45 PM ET) with a gap of 5.80367. The largest single-bar change in the recorded values came at bar 13 (8:00 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
15:00 PM2.480167.81949+5.33933
66:15 PM3.11018.69072+5.58062
127:45 PM3.627878.16847+4.5406
189:15 PM4.007155.24422+1.23707
2410:45 PM4.225475.40084+1.17537
2912:00 AM4.351215.72908+1.37786

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.