Correlation Analysis
Costco Wholesale Corp vs Venture Global, Inc.
COST vs VG
-0.518
Moderate inverse
When one moves up, the other tends to move down.
Costco Wholesale Corp
↗COST
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.
Market cap 451.9B

Venture Global, Inc.
↗VG
Venture Global operates two liquefied natural gas production facilities in Louisiana. It has pioneered the use of modular, factory-built equipment, producing high yields. With a substantial development plan, it seeks to become a vertically integrated LNG producer and supplier to end consumers around the world.
Market cap 39.2B · 2,000 employees
Time Series
Relative Performance
Who Moves First
COST leads VG by 6 days
COST tends to move before VG.
After testing 13 timing shifts, the strongest relationship was -0.551 (they moved in opposite directions).
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
+0.151
12 periods · Return correlation when both series rose
Both Falling
+0.834
6 periods · Return correlation when both series fell
Diverging
-0.516
17 periods · Return correlation when series moved apart
R-Squared
26.9%
Share of variance in one series explained by the other.
Trend Agreement
52.5%
How often both series moved in the same direction period-to-period.
Overlap Quality
624
Robust shared window — 624 usable pairs.
Significance
p < 0.001
95% CI: [-0.574, -0.459]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
624 paired data points survived the daily window.
Raw input
1,254
624
Normalized
1,254
624
Prepared
1,254
624
Aligned
624
624
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
630
A: 630 / B: 0
Series A
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B

Venture Global, Inc.
VG
Market cap 39.2B · 2,000 employees
Stock · 624 raw → 624 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.0089
Linear regression slope.
Intercept
20.9979
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-cost-vs-stock-vg-daily