GLOSSARY // Technical Analysis
Overbought
Overbought describes a market that has risen far enough, fast enough that momentum oscillators reach the top of their scales: RSI above 70 or the stochastic oscillator above 80 are the standard definitions. The label means the recent pace of buying is statistically stretched, not that the price is wrong or a decline is due.
This distinction separates profitable use from the classic beginner error. The strongest stocks get overbought and stay overbought; an RSI holding above 70 for weeks is itself evidence of unusual demand, and shorting into it is a losing strategy on average. Overbought readings mean something different in a range, where the top of the range plus a stretched oscillator has an actual edge for mean reversion.
Practical uses: avoid initiating new longs into a stretched reading, tighten stops on existing positions, and wait for the oscillator to reset on a pullback before adding.
A stock breaks out of a base at 45 and runs to 58 in three weeks. RSI first crosses 70 at 49 and stays above it for 14 straight sessions. A trader who shorted the first overbought print at 49 sat through nine more points against the position. The reading only resolved when a two-week pullback to 53 brought RSI back to 48, which turned out to be the add point for the next leg to 64.
Related terms
Educational only — not financial advice. Definitions simplified for clarity; markets are messier than definitions.