What Does Stochastic Oscillator Actually Read on SI 15-minute Charts?
Educational reference. Measured from 5,935 recorded values on Silver 15-minute charts through October 2, 2026.
The middle half of all readings sat between 26.01 and 73.61, with a median of 48.67.
Stochastic Oscillator measures where the close sits inside the recent high–low range, on a 0–100 scale. This page reports what it actually read on Silver 15-minute charts — not what it is supposed to do, but the distribution of 5,935 recorded values over the last 90 days.
| Series | Median | Middle half | 5th / 95th | Full range |
|---|---|---|---|---|
| %K | 48.67 | 26.01 – 73.61 | 9.44 / 91.18 | 0.3640 – 99.19 |
| %D | 48.36 | 27.30 – 71.94 | 10.81 / 89.80 | 1.32 – 97.60 |
The median is the middle reading, so a single unusual session cannot drag it. The middle half is where Stochastic Oscillator sat on half of all bars — the range you should expect to see most of the time on this chart.
How often it reaches the levels people watch
| Reading | Bars | Share |
|---|---|---|
| Above 80 | 1,045 | 17.6% |
| Between 20 and 80 | 3,854 | 64.9% |
| Below 20 | 1,036 | 17.5% |
Stochastic Oscillator spent 65% of its time between 20 and 80 on this chart. A reading beyond 80 appeared about once every 6 bars, and below 20 about once every 6. How rare a signal is matters as much as what it says.
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How this was measured
Every 15-minute bar of Silver recorded in the last 90 days was read, and the values grouped without smoothing or filtering. Series with fewer than 400 readings are omitted rather than shown on thin evidence. These are recorded values, not predictions.