Educational reference. Measured from 359 recorded 1m bars of ES (E mini S&P 500) on Sunday, October 25, 2026.
RSI crossed above 70 4 separate times during the session, and the typical visit lasted 1 minutes. Across the whole session it sat above 70 for 3.9% of the time, between 30 and 70 for 88.6%, and below 30 for 7.5%.
| Band | Share of session | Bars | Separate visits | Median visit | Longest visit | |
|---|---|---|---|---|---|---|
| Above 70 | 3.9% | 14 | 4 | 1 min | 10 min | |
| Between 30 and 70 | 88.6% | 318 | 9 | 39 min | 68 min | |
| Below 30 | 7.5% | 27 | 5 | 2 min | 21 min |
RSI compares the size of recent gains with recent losses, so a reading above 70 says buying has dominated the last 14 bars — not that price is high. A long stay above 70 is a market trending up, which is the opposite of the reversal the word 'overbought' suggests.
Here the reading entered overbought territory 4 times, with a median stay of 1 minutes and a longest of 10. A brief excursion above 70 that resolves in minutes is noise on this timeframe. A sustained one is the signature of a trend that is still running, and selling into it is how traders get run over.
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