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Correlation
of % moves
+57%
In sync
of periods
68%
History
daysdays · through 2026-06-08
553
These move in the same direction about 68% of the time
Their swing sizes loosely line up (~33% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Advanced
Statistics
In sync(i)
68.1%
Headline metric
Movement correlation(i)
+57%
Based on % moves
95% CI
+51% → +63%
Likely range of correlation
Pipeline
Pipeline Summary
553 paired data points survived the daily window.
Raw input
556
2,513
Normalized
556
2,513
Prepared
556
2,513
Aligned
553
553
Invalid removed
R²(i)
32.8%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
553
Robust
Time-Shifted Correlation
See how correlation changes when one series is offset in time. A taller bar at a non-zero shift means the two move together better when one leads the other — that's a potential lead/lag signal.
Correlation by shift
Click a bar to inspect. Range: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
+57%
No shift — both series at their actual dates.
552 overlapping points at this shift
Baseline
+57%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+57%
A non-zero peak suggests one series lines up better when shifted against the other.
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
Do They Crash Together?
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+49%
106 periods · Return correlation when both series rose
Both Falling
+66%
75 periods · Return correlation when both series fell
Diverging
-58%
68 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,963
A: 3 / B: 1960
Series A
Corpay, Inc. (CPAY)
CPAY
Stock · 556 raw → 556 prepared
Series B
S&P 500
SP500
FRED · 2,513 raw → 2,513 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.2615
Linear regression slope.
Intercept
0.0006
Linear regression intercept.
Saved last month · ID: fred-sp500_stock-cpay_daily_5y