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

Educational reference. Data covers September 8, 2026, 3:47 PM to 11:02 PM ET. This window has closed; every value below already printed.

On September 8, 2026 at 3:47 PM ET, Fast Stochastic %K on the Micro E-mini Nasdaq 100 15-minute chart read 24.6377. The model projected the next 30 bars from that point. The window ran to 11:02 PM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

7.13447.1987.25Sep 8, 3:47 PM ET11:02 PM ET
Projected Fast Stochastic %K path, 30 bars from 3:47 PM ET. Dashed line marks the reading at the start of the window.

What actually printed

7.13447.1987.25Sep 8, 3:47 PM ET11:02 PM ET
Recorded Fast Stochastic %K values over the same 30 bars.

The two paths, side by side

Reading at 3:47 PM ET24.6377
Projected value at 11:02 PM ET50.846
Actual value at 11:02 PM ET38.0282
Projected change across the window+26.2083
Actual change across the window+13.3905
Bars moving the same direction21 of 29
Bars on the projected side of the opening reading22 of 30
Projected move relative to actual1.96×

Reading this window

The projection called for Fast Stochastic %K to rise across the window, and it rose. The projection overshot: it called for 1.96 times the distance the market actually travelled. Bar to bar, 72% of the moves ran the same way as the projection, and 22 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 (7:02 PM ET), where they sat 0.0544535 apart, and furthest at bar 26 (10:17 PM ET) with a gap of 48.7707. The largest single-bar change in the recorded values came at bar 22 (9:17 PM ET), a move of -35.1165. 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
14:02 PM26.38053.07692-23.3036
65:17 PM33.884958.6667+24.7818
126:47 PM53.576449.3333-4.24306
188:17 PM53.270158.3333+5.06326
249:47 PM52.196220.6897-31.5066
2911:02 PM50.84638.0282-12.8178

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.