Mean Reversion with RSI: How It Works, Rules & Example
Mean reversion bets that prices which stretch too far from normal tend to snap back toward their average. The RSI helps spot when a market looks short-term oversold or overbought.
How it works
- Confirm the bigger trend with a long moving average, such as the 200-day.
- In an uptrend, wait for a short-term RSI reading below an oversold threshold, such as 30.
- Enter long expecting a bounce back toward the average.
- Exit when RSI recovers above a level like 50 or 70, or after a fixed number of days.
- Use a stop-loss in case the drop turns into a deeper decline.
The rules
π Pros
- Often has a high percentage of winning trades.
- Clear numerical entry and exit rules.
- Works well in range-bound or steadily rising markets.
π Cons
- Losses can be large when a dip becomes a crash.
- Winners tend to be smaller than trend-following winners.
- Performs poorly in strong downtrends.
Worked example
See it on a chart
Common mistakes
- Buying oversold readings in a strong downtrend.
- Skipping the stop-loss because the setup has worked many times before.
- Using RSI alone without any trend filter.
Tools for this strategy
Indicators it uses
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What RSI level means oversold?
Below 30 is a classic threshold, though short-term systems sometimes use 10 or 20 with a shorter RSI period.
Why use a trend filter?
It helps avoid buying dips in markets that are in long-term decline.
Can mean reversion work with crypto?
It can, but crypto swings are larger and trends can be more extreme, so risk control matters even more.
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