What Does Standard Deviation Actually Read on AAPL 1-minute Charts?
Educational reference. Measured from 24,124 recorded values on Apple 1-minute charts through September 4, 2026.
The middle half of all readings sat between 0.1261 and 0.3368, with a median of 0.2022.
Standard Deviation measures how widely price has been scattered around its own average. This page reports what it actually read on Apple 1-minute charts — not what it is supposed to do, but the distribution of 24,124 recorded values over the last 90 days.
| Series | Median | Middle half | 5th / 95th | Full range |
|---|---|---|---|---|
| Standard Deviation | 0.2022 | 0.1261 – 0.3368 | 0.0654 / 0.7301 | 0.006690 – 3.62 |
The median is the middle reading, so a single unusual session cannot drag it. The middle half is where Standard Deviation sat on half of all bars — the range you should expect to see most of the time on this chart.
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How this was measured
Every 1-minute bar of Apple 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 forecasts.