Rsi vs Stochastic
Look-alike pair
Full entries: Rsi.
RSI and Stochastic are both bounded momentum oscillators, but the single difference that matters is what they measure: RSI tracks the speed and magnitude of price changes, while Stochastic tracks the location of the close within the recent high-low range. That one distinction drives every other difference between them.
Side by side
| Rsi | Stochastic | |
|---|---|---|
| What it measures | The velocity and magnitude of directional price movement, expressed as a ratio of average gains to average losses over a lookback period. | The position of the current close relative to the highest high and lowest low over a lookback period, expressed as a percentage of that range. |
| Calculation inputs | Closing prices only; uses average gain and average loss over the period, then converts to an index from 0 to 100. | High, low, and closing prices; uses the close, the highest high, and the lowest low over the period. |
| Default lookback | Commonly 14 periods, though this varies by trader, market, and platform. | Commonly 14 periods for %K and 3 for %D smoothing, though these settings vary by trader, market, and platform. |
| Scale and bands | Bounded 0 to 100; conventional overbought threshold at 70 and oversold at 30, but these levels vary by market and are user-adjustable. | Bounded 0 to 100; conventional overbought threshold at 80 and oversold at 20, but these levels vary by market and are user-adjustable. |
| Field mark | A single line that typically forms higher highs and lower lows with price, often showing divergence at turning points. | Two lines: a faster %K line and a slower %D signal line, with crossovers between them as the primary visual cue. |
| Typical use | Identifying overbought or oversold conditions, spotting divergence, and gauging momentum strength. | Identifying overbought or oversold conditions, timing entries via %K/%D crossovers, and spotting divergence. |
Which word to use
Use RSI when you want to gauge the strength or weakness of price momentum itself, and use Stochastic when you want to see where the close sits inside the recent range and act on crossover signals.
Family: XI · Look-alikes · Index A–Z