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

Educational reference. Data covers September 8, 2026, 4:44 PM to 11:59 PM ET. This window has closed; every value below already printed.

On September 8, 2026 at 4:44 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 11:59 PM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

2.65.6538.706Sep 8, 4:44 PM ET11:59 PM ET
Projected Average True Range path, 30 bars from 4:44 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

2.65.6538.706Sep 8, 4:44 PM ET11:59 PM ET
Recorded Average True Range values over the same 30 bars.

The two paths, side by side

Reading at 4:44 PM ET8.13595
Projected value at 11:59 PM ET4.43429
Actual value at 11:59 PM ET5.72908
Projected change across the window-3.70166
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 actual1.54×

Reading this window

The projection called for Average True Range to fall across the window, and it fell. The projection overshot: it called for 1.54 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 (10:29 PM ET), where they sat 1.0065 apart, and furthest at bar 0 (4:44 PM ET) with a gap of 5.94636. The largest single-bar change in the recorded values came at bar 13 (7:59 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
14:59 PM2.338677.81949+5.48082
66:14 PM3.05138.69072+5.63942
127:44 PM3.654798.16847+4.51368
189:14 PM3.998765.24422+1.24546
2410:44 PM4.284615.40084+1.11623
2911:59 PM4.434295.72908+1.29478

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.