These move together about 67% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
Chicago-based United Airlines is a major US network carrier with hubs in San Francisco, Chicago, Houston, Denver, Los Angeles, Newark, and Washington, D.C. United operates a hub-and-spoke system that is more focused on international and long-haul travel, especially across the Pacific, than its large US peers.
Market cap 29.3B · 115,600 employees
Vanguard High Dividend Yield ETF
VYM
What to Watch
Holds across regimes
Correlation is similar when markets rise (+32%) and fall (+51%) — reliable in both directions.
Flaky
Correlation swings widely across time windows — careful using this as a point estimate.
Time Series
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: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
+90%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with Vanguard High Dividend Yield ETF at original dates
Indexed to 100 at start
Deep Dive
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
Corr
+90%
Pearson correlation
95% CI
+89% → +91%
Likely range
R²
80.5%
Variance explained
Trend agreement
67.1%
Same-direction moves
Significance
p < 0.001
Statistical confidence
Data points
1,255
Deep
Pipeline
Pipeline Summary
1,255 paired data points survived the daily window.
Raw input
1,255
1,255
Normalized
1,255
1,255
Prepared
1,255
1,255
Aligned
1,255
1,255
Invalid removed
Explore
The strongest positive and inverse pairs we’ve saved for each side of this comparison — good jumping-off points if this result raised a question.
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
+32%
103 periods · Return correlation when both series rose
Both Falling
+51%
94 periods · Return correlation when both series fell
Diverging
-46%
52 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
United Airlines Holdings, Inc. Common Stock
UAL
Market cap 29.3B · 115,600 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Vanguard High Dividend Yield ETF
VYM
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
31
Estimated crossover points between normalized spreads.
Slope
0.5580
Linear regression slope.
Intercept
84.6803
Linear regression intercept.
Saved 1 hour ago · ID: stock-ual_stock-vym_5y
VYM
Vanguard High Dividend Yield ETF
Strongest positive