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Moderna, Inc. Common Stock (MRNA) vs CPI: Used Cars & Trucks
Correlation
of % moves
-45%
In sync
of periods
40%
History
monthsmonths · through 2026-04
59
These move in the same direction about 40% of the time
Their swing sizes loosely mirror each other (~20% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
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 looser
The recent pattern is looser than its long-run baseline — keep an eye on whether this sticks.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
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)
39.7%
Headline metric
Movement correlation(i)
-45%
Based on % moves
95% CI
-63% → -21%
Likely range of correlation
Pipeline
Pipeline Summary
59 paired data points survived the monthly window.
Raw input
1,255
880
Normalized
1,255
880
Prepared
61
880
Aligned
59
59
Invalid removed
R²(i)
20.1%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
59
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
-45%
No shift — both series at their actual dates.
58 overlapping points at this shift
Baseline
-45%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-45%
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
-60%
5 periods · Return correlation when both series rose
Both Falling
-8%
18 periods · Return correlation when both series fell
Diverging
-62%
35 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
823
A: 2 / B: 821
Series A
Moderna, Inc. Common Stock (MRNA)
MRNA
Stock · 1,255 raw → 61 prepared
Series B
CPI: Used Cars & Trucks
CUSR0000SETA02
FRED · 880 raw → 880 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
-0.0442
Linear regression slope.
Intercept
-0.0025
Linear regression intercept.
Saved last month · ID: fred-cusr0000seta02_stock-mrna_monthly_5y