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W.R. Berkley Corporation (WRB) vs Gross Domestic Product: Implicit Price Deflator
Correlation
of % moves
+30%
In sync
of periods
67%
History
monthsmonths · through 2026-01
19
These move in the same direction about 67% of the time
Their swing sizes only faintly line up (~9% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Gross Domestic Product: Implicit Price Deflator moves ~4 months before WRB
Watch Gross Domestic Product: Implicit Price Deflator for an early read on WRB.
Advanced
Statistics
In sync(i)
66.7%
Headline metric
Movement correlation(i)
+30%
Based on % moves
95% CI
-19% → +67%
Pipeline
Pipeline Summary
19 paired data points survived the monthly window.
Raw input
1,254
317
Normalized
1,254
317
Prepared
61
317
Aligned
19
19
Invalid removed
Likely range of correlation
R²(i)
9.0%
Variance explained
Significance
n.s.
Statistical confidence
Data points
19
Limited
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: -8 to 8 months.
Selected shift
-4 months
Correlation at this shift
-45%
+15% stronger than no-shift baseline
Gross Domestic Product: Implicit Price Deflator shifted 4 months later. Reads: "Does W.R. Berkley Corporation (WRB) today line up with Gross Domestic Product: Implicit Price Deflator 4 months ago?"
14 overlapping points at this shift
Baseline
+30%
No-shift correlation, matching the main time-series chart above.
Peak shift
-4 months
-45%
A non-zero peak suggests one series lines up better when shifted against the other.
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
340
A: 42 / B: 298
Series A
W.R. Berkley Corporation (WRB)
WRB
Stock · 1,254 raw → 61 prepared
Series B
Gross Domestic Product: Implicit Price Deflator
GDPDEF
FRED · 317 raw → 317 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.0171
Linear regression slope.
Intercept
0.0089
Linear regression intercept.
Saved 2 weeks ago · ID: fred-gdpdef_stock-wrb_monthly_5y