When Does ZN Actually Move? Hourly Ranges on 10-minute Charts
Educational reference. Measured from 5,074 recorded 10-minute bars of 10-Year T-Note through September 15, 2026.
09:00 is the busiest hour, averaging 0.0625 per bar — 4.0× the quietest hour at 18:00.
The same stop is a different stop at different times of day. This is the median high-to-low range of a single 10-minute bar of 10-Year T-Note, hour by hour, measured from 5,074 recorded bars over the last 90 days.
| Hour (ET) | Median range | Bars | |
|---|---|---|---|
| 00:00 | 0.0156 | 221 | |
| 01:00 | 0.0156 | 221 | |
| 02:00 | 0.0312 | 222 | |
| 03:00 | 0.0312 | 222 | |
| 04:00 | 0.0312 | 222 | |
| 05:00 | 0.0312 | 222 | |
| 06:00 | 0.0312 | 222 | |
| 07:00 | 0.0312 | 222 | |
| 08:00 | 0.0469 | 222 | |
| 09:00 | 0.0625 | 222 | |
| 10:00 | 0.0469 | 222 | |
| 11:00 | 0.0469 | 222 | |
| 12:00 | 0.0469 | 222 | |
| 13:00 | 0.0312 | 217 | |
| 14:00 | 0.0312 | 216 | |
| 15:00 | 0.0312 | 216 | |
| 16:00 | 0.0312 | 216 | |
| 18:00 | 0.0156 | 183 | |
| 19:00 | 0.0156 | 220 | |
| 20:00 | 0.0312 | 222 | |
| 21:00 | 0.0312 | 222 | |
| 22:00 | 0.0156 | 222 | |
| 23:00 | 0.0156 | 221 |
The spread across the day
The busiest hour is 09:00, averaging 0.0625 per bar. The quietest is 18:00 at 0.0156. That is a 4.0× difference across the same instrument, the same timeframe, the same trading day.
A stop sized for 18:00 conditions will be caught routinely at 09:00, and a stop sized for 09:00 gives away far more than it needs to overnight. The same number of points does not mean the same thing at every hour.
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How this was measured
Every 10-minute bar of 10-Year T-Note recorded in the last 90 days was grouped by the hour it opened, in Eastern time. The figure shown is the median of high minus low within each group — the middle bar of that hour, not the average, so a single outlier session cannot distort it. Hours with fewer than 60 recorded bars are omitted rather than shown on thin evidence.
These are recorded market ranges, not forecasts. Nothing on this page is a projection.