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AT&T Inc. (T) vs Gross Domestic Product: Implicit Price Deflator
Correlation
of % moves
-45%
In sync
of periods
44%
History
monthsmonths · through 2026-01
19
These move in the same direction about 44% of the time
Their swing sizes loosely mirror each other (~20% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
T moves ~4 months before Gross Domestic Product: Implicit Price Deflator
Watch T for an early read on Gross Domestic Product: Implicit Price Deflator.
Advanced
Statistics
In sync(i)
44.4%
Headline metric
Movement correlation(i)
-45%
Based on % moves
95% CI
-76% → +2%
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)
20.1%
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
+72%
+27% stronger than no-shift baseline
Gross Domestic Product: Implicit Price Deflator shifted 4 months earlier. Reads: "Does AT&T Inc. (T) today line up with Gross Domestic Product: Implicit Price Deflator 4 months from now?"
14 overlapping points at this shift
Baseline
-45%
No-shift correlation, matching the main time-series chart above.
Peak shift
+4 months
+72%
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
AT&T Inc. (T)
T
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
-0.0178
Linear regression slope.
Intercept
0.0094
Linear regression intercept.
Saved 2 weeks ago · ID: fred-gdpdef_stock-t_monthly_5y