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Correlation
of % moves
+32%
In sync
of periods
70%
History
monthsmonths · through 2025-04
47
These move in the same direction about 70% of the time
Their swing sizes only faintly line up (~10% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
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
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)
69.6%
Headline metric
Movement correlation(i)
+32%
Based on % moves
95% CI
+3% → +56%
Likely range of correlation
Pipeline
Pipeline Summary
47 paired data points survived the monthly window.
Raw input
955
605
Normalized
955
605
Prepared
47
605
Aligned
47
47
Invalid removed
R²(i)
10.0%
Variance explained
Significance
p < 0.05
Statistical confidence
Data points
47
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
+32%
No shift — both series at their actual dates.
46 overlapping points at this shift
Baseline
+32%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+32%
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
-33%
14 periods · Return correlation when both series rose
Both Falling
+30%
18 periods · Return correlation when both series fell
Diverging
-77%
14 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
558
A: 0 / B: 558
Series A
DM
Stock · 955 raw → 47 prepared
Series B
Total Vehicle Sales
TOTALSA
FRED · 605 raw → 605 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.0766
Linear regression slope.
Intercept
0.0073
Linear regression intercept.
Saved last month · ID: fred-totalsa_stock-dm_monthly_5y