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Correlation
of % moves
-47%
In sync
of periods
40%
History
monthsmonths · through 2026-01
16
These move in the same direction about 40% of the time
Their swing sizes loosely mirror each other (~23% 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
Real GDP moves ~4 months before WBD
Watch Real GDP for an early read on WBD.
Advanced
Statistics
In sync(i)
40.0%
Headline metric
Movement correlation(i)
-47%
Based on % moves
95% CI
-79% → +5%
Pipeline
Pipeline Summary
16 paired data points survived the monthly window.
Raw input
1,033
317
Normalized
1,033
317
Prepared
50
317
Aligned
16
16
Invalid removed
Likely range of correlation
R²(i)
22.5%
Variance explained
Significance
n.s.
Statistical confidence
Data points
16
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: -5 to 5 months.
Selected shift
-4 months
Correlation at this shift
-56%
+9% stronger than no-shift baseline
Real GDP shifted 4 months later. Reads: "Does Warner Bros. Discovery, Inc. Series A Common Stock (WBD) today line up with Real GDP 4 months ago?"
11 overlapping points at this shift
Baseline
-47%
No-shift correlation, matching the main time-series chart above.
Peak shift
-4 months
-56%
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
335
A: 34 / B: 301
Series A
Warner Bros. Discovery, Inc. Series A Common Stock (WBD)
WBD
Stock · 1,033 raw → 50 prepared
Series B
Real GDP
GDPC1
FRED · 317 raw → 317 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.0067
Linear regression slope.
Intercept
0.0065
Linear regression intercept.
Saved 2 weeks ago · ID: fred-gdpc1_stock-wbd_monthly_5y