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Correlation
of % moves
+42%
In sync
of periods
54%
History
monthsmonths · through 2026-02
53
These move in the same direction about 54% of the time
Their swing sizes loosely line up (~18% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
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.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Advanced
Statistics
In sync(i)
53.8%
Headline metric
Movement correlation(i)
+42%
Based on % moves
95% CI
+17% → +62%
Likely range of correlation
Pipeline
Pipeline Summary
53 paired data points survived the monthly window.
Raw input
1,152
470
Normalized
1,152
470
Prepared
56
470
Aligned
53
53
Invalid removed
R²(i)
18.0%
Variance explained
Significance
p < 0.01
Statistical confidence
Data points
53
Thin
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: -18 to 18 months.
Selected shift
No shift
Correlation at this shift
+42%
No shift — both series at their actual dates.
52 overlapping points at this shift
Baseline
+42%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+42%
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
+15%
14 periods · Return correlation when both series rose
Both Falling
+29%
14 periods · Return correlation when both series fell
Diverging
-64%
24 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
420
A: 3 / B: 417
Series A
CTRA
Stock · 1,152 raw → 56 prepared
Series B
Case-Shiller Home Price Index
CSUSHPINSA
FRED · 470 raw → 470 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0569
Linear regression slope.
Intercept
0.0031
Linear regression intercept.
Saved 2 weeks ago · ID: fred-csushpinsa_stock-ctra_monthly_5y