Fast Stochastic %K forecast vs outcome — BTCUSD, 1-minute chart, September 27, 2026

Educational reference. Data covers September 27, 2026, 9:28 AM to 9:57 AM ET. This window has closed; every value below already printed.

On September 27, 2026 at 9:28 AM ET, Fast Stochastic %K on the BTCUSD 1-minute chart read 99.9865. The model projected the next 30 bars from that point. The window ran to 9:57 AM ET and has since closed, so the projection and the outcome can be placed side by side.

What was projected

5.91949.9994.07Sep 27, 9:28 AM ET9:57 AM ET
Projected Fast Stochastic %K path, 30 bars from 9:28 AM ET. Dashed line marks the reading at the start of the window.

What actually printed

5.91949.9994.07Sep 27, 9:28 AM ET9:57 AM ET
Recorded Fast Stochastic %K values over the same 30 bars.

The two paths, side by side

Reading at 9:28 AM ET99.9865
Projected value at 9:57 AM ET56.7934
Actual value at 9:57 AM ET67.0757
Projected change across the window-43.193
Actual change across the window-32.9108
Bars moving the same direction18 of 28
Bars on the projected side of the opening reading30 of 30
Projected move relative to actual1.31×

Reading this window

The projection called for Fast Stochastic %K to fall across the window, and it fell. The projection overshot: it called for 1.31 times the distance the market actually travelled. Bar to bar, 64% of the moves ran the same way as the projection, and 30 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 9 (9:36 AM ET), where they sat 0.0798046 apart, and furthest at bar 20 (9:48 AM ET) with a gap of 53.1292. The largest single-bar change in the recorded values came at bar 1 (9:29 AM ET), a move of -51.8419. 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
19:29 AM92.738148.1445-44.5936
69:34 AM79.895660.962-18.9336
129:40 AM57.515235.2972-22.218
189:46 AM50.44730.020967-50.4263
249:52 AM53.317410.1799-43.1375
299:57 AM56.793467.0757+10.2823

About Fast Stochastic %K on a 1-minute chart

The fast Stochastic applies less smoothing than the standard version, so it turns sooner and moves more sharply. On the 1-minute timeframe a 30-bar projection covers 30 minutes of trading, so the window above describes 30 minutes of BTCUSD 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.