Pairs Trading Screener
Pre-scanned curated pairs with cointegration analysis and active trading signals.
Screener results are algorithmic and for informational purposes only. Scores do not constitute trading recommendations. Past performance is not indicative of future results. See Terms §17.
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| Pair | Z-Score | Correlation | Hedge Ratio | Coint. p-value | Cointegrated? | Half-Life | Signal | Actions |
|---|---|---|---|---|---|---|---|---|
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Statistical Pairs Trading Guide
Cointegration vs Correlation
Correlation measures whether two assets move together in the short term. Cointegration is a stronger relationship — it means the spread between two assets is mean-reverting over time, even if prices trend apart temporarily. A pair can have low correlation but high cointegration (and vice versa). For pairs trading, cointegration is the more important metric.
Key Metrics
- Cointegration p-value: Engle-Granger test result. Values below 0.05 indicate the pair is statistically cointegrated — their spread tends to mean-revert.
- Half-Life: How many trading days it takes for the spread to revert halfway to its mean. Shorter half-lives (5-15 days) are ideal for active trading. Very long half-lives (>60 days) may not be practical.
- Z-Score: How many standard deviations the current spread is from its mean. Signals trigger at |Z| > 2.
- Hedge Ratio: The beta-adjusted ratio for position sizing. For every $1 of Symbol 1, hold $beta of Symbol 2.
How to Trade
- Focus on cointegrated pairs (p < 0.05) with reasonable half-lives (5-30 days)
- Enter when z-score exceeds ±2, exit when it reverts toward 0
- Size positions using the hedge ratio for dollar-neutral exposure
- Click "Analyze" to see the full chart with spread, z-score, and correlation history