Correlation Analysis
Costco Wholesale Corp vs FTAI Aviation Ltd. Common Stock
COST vs FTAI
+0.859
Very strong positive
When one moves up, the other tends to follow.
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
FTAI Aviation Ltd. Common Stock
↗FTAI
FTAI Aviation Ltd is an independent engine maintenance platform focused on the CFM56-5B, CFM56-7B, and V2500 aircraft engines, which power the 737NG and A320ceo aircraft. The company repairs and rebuilds engines in its maintenance facilities and with joint venture partners, and sells or leases engines through its proprietary Maintenance, Repair and Exchange (MRE) model under the Aerospace Products segment, which earns maximum revenue from North America and develops, repairs/refurbishes, and sells aircraft engines and aftermarket components. It also operates an Aviation Leasing segment, owning and managing a portfolio of on- and off-lease aircraft and engines, including engine transfers for rebuilding and sales.
Market cap 25.3B · 985 employees
Time Series
Relative Performance
Who Moves First
FTAI leads COST by 4 days
FTAI tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.860 (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
+0.516
17 periods · Return correlation when both series rose
Both Falling
+0.625
6 periods · Return correlation when both series fell
Diverging
-0.563
12 periods · Return correlation when series moved apart
R-Squared
73.7%
Share of variance in one series explained by the other.
Trend Agreement
56.0%
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: [0.844, 0.873]
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
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
FTAI Aviation Ltd. Common Stock
FTAI
Market cap 25.3B · 985 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.2692
Linear regression slope.
Intercept
-108.3718
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
COST
Costco Wholesale Corp
Highest
+0.977
Republic Services Inc.
RSG · 1,254 data points
Lowest
-0.912
Fiserv, Inc. Common Stock
FISV · 644 data points
FTAI
FTAI Aviation Ltd. Common Stock
Highest
+0.953
Walmart Inc. Common Stock
WMT · 1,254 data points
Lowest
+0.552
Johnson & Johnson
JNJ · 1,254 data points
Saved 7 hours ago · ID: stock-cost-vs-stock-ftai-daily