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Correlation
of values
-26%
In sync
of periods
55%
History
monthsmonths · through 2026-05
390
These move in the same direction about 55% of the time
Their swing sizes only faintly mirror each other (~7% 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.
Advanced
Statistics
In sync(i)
55%
Headline metric
Movement correlation(i)
-26%
Based on values
95% CI
N/A
Likely range
Pipeline
Pipeline Summary
390 paired data points survived the monthly window.
Raw input
1,696
881
Normalized
1,696
881
Prepared
391
881
Aligned
390
390
Invalid removed
7%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
390
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
-26%
No shift — both series at their actual dates.
390 overlapping points at this shift
Baseline
-26%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-26%
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
-10%
34 periods · Return correlation when both series rose
Both Falling
+9%
39 periods · Return correlation when both series fell
Diverging
-28%
51 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
492
A: 1 / B: 491
Series A
St. Louis Financial Stress Index
STLFSI4
FRED · 1,696 raw → 391 prepared
Series B
CPI: Used Cars & Trucks
CUSR0000SETA02
FRED · 881 raw → 881 prepared
Sign agreement
36.7%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
-4.9983
Linear regression slope.
Intercept
152.3638
Linear regression intercept.
Saved 3 months ago · ID: fred-cusr0000seta02_fred-stlfsi4_monthly_5y