Correlation Analysis
Aflac Inc. vs VISA Inc.
AFL vs V
+0.898
Very strong positive
When one moves up, the other tends to follow.
Aflac Inc.
↗AFL
Aflac Inc offers supplemental health insurance and life insurance in the United States and Japan. In addition to its cancer policies, the company has broadened its product offerings to include accident, dental and vision, disability, and long-term-care insurance. It markets its products through independent distributors, selling the majority of its policies directly to consumers at their places of work, and also reaches out to its customers outside of their worksite through digital mediums. The company has two reportable business segments: Aflac Japan, which generates the maximum revenue, and Aflac U.S.
Market cap 56.8B · 12,716 employees
VISA Inc.
↗V
Visa is the largest payment processor in the world. In fiscal 2025, it processed almost $17 trillion in total volume. Visa operates in over 200 countries and processes transactions in over 160 currencies. Its systems are capable of processing over 65,000 transactions per second.
Market cap 583.4B
Time Series
Relative Performance
Who Moves First
AFL leads V by 6 days
AFL tends to move before V.
After testing 13 timing shifts, the strongest relationship was +0.899 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
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
-0.291
12 periods · Return correlation when both series rose
Both Falling
-0.433
5 periods · Return correlation when both series fell
Diverging
-0.708
18 periods · Return correlation when series moved apart
R-Squared
80.7%
Share of variance in one series explained by the other.
Trend Agreement
66.2%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.887, 0.909]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Aflac Inc.
AFL
Market cap 56.8B · 12,716 employees
Stock · 1,254 raw → 1,254 prepared
Series B
VISA Inc.
V
Market cap 583.4B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
21
Estimated crossover points between normalized spreads.
Slope
2.2028
Linear regression slope.
Intercept
84.5364
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-afl-vs-stock-v-daily