Fast Stochastic %K forecast vs outcome — Micro E-mini Nasdaq 100, 15-minute chart, September 8, 2026

Educational reference. Data covers September 8, 2026, 3:40 PM to 10:55 PM ET. This window has closed; every value below already printed.

On September 8, 2026 at 3:40 PM ET, Fast Stochastic %K on the Micro E-mini Nasdaq 100 15-minute chart read 15.493. The model projected the next 30 bars from that point. The window ran to 10:55 PM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

14.5948.8183.02Sep 8, 3:40 PM ET10:55 PM ET
Projected Fast Stochastic %K path, 30 bars from 3:40 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

14.5948.8183.02Sep 8, 3:40 PM ET10:55 PM ET
Recorded Fast Stochastic %K values over the same 30 bars.

The two paths, side by side

Reading at 3:40 PM ET15.493
Projected value at 10:55 PM ET53.9742
Actual value at 10:55 PM ET87.3626
Projected change across the window+38.4812
Actual change across the window+71.8697
Bars moving the same direction19 of 28
Bars on the projected side of the opening reading28 of 30
Projected move relative to actual0.54×

Reading this window

The projection called for Fast Stochastic %K to rise across the window, and it rose. The market travelled further than projected — the projection covered only 0.54 times the realised distance. Bar to bar, 68% of the moves ran the same way as the projection, and 28 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 20 (8:25 PM ET), where they sat 0.0149053 apart, and furthest at bar 0 (3:40 PM ET) with a gap of 59.6926. The largest single-bar change in the recorded values came at bar 13 (6:55 PM ET), a move of +53.0046. 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
13:55 PM70.500136.6197-33.8803
65:10 PM60.410350.7042-9.70608
126:40 PM55.272718.1818-37.0908
188:10 PM53.788986.5672+32.7783
249:40 PM55.191883.5443+28.3525
2910:55 PM53.974287.3626+33.3885

About Fast Stochastic %K on a 15-minute chart

The fast Stochastic applies less smoothing than the standard version, so it turns sooner and moves more sharply. 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.