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Correlation
of values
+15%
In sync
of periods
51%
History
monthsmonths · through 2026-02
470
These move in the same direction about 51% of the time
Their swing sizes only faintly line up (~2% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
On a log scale so equal % moves take equal vertical space — best when one series has grown much faster than the other.
What to Watch
Slipping tighter
The recent pattern is tighter than its long-run baseline — keep an eye on whether this sticks.
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)
51.1%
Headline metric
Movement correlation(i)
+15%
Based on values
95% CI
+6% → +23%
Likely range of correlation
Pipeline
Pipeline Summary
470 paired data points survived the monthly window.
Raw input
470
11,325
Normalized
470
11,325
Prepared
470
545
Aligned
470
470
Invalid removed
R²(i)
2.1%
Variance explained
Significance
p < 0.01
Statistical confidence
Data points
470
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: -18 to 18 months.
Selected shift
No shift
Correlation at this shift
+15%
No shift — both series at their actual dates.
470 overlapping points at this shift
Baseline
+15%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+15%
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
-6%
84 periods · Return correlation when both series rose
Both Falling
+15%
42 periods · Return correlation when both series fell
Diverging
-44%
123 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
75
A: 0 / B: 75
Series A
Case-Shiller Home Price Index
CSUSHPINSA
FRED · 470 raw → 470 prepared
Series B
USD/CNY Exchange Rate
DEXCHUS
FRED · 11,325 raw → 545 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.0026
Linear regression slope.
Intercept
6.4813
Linear regression intercept.
Saved 2 weeks ago · ID: fred-csushpinsa_fred-dexchus_monthly_5y