Correlation Analysis
Costco Wholesale Corp vs Tradeweb Markets Inc. Class A Common Stock
COST vs TW
+0.892
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
Tradeweb Markets Inc. Class A Common Stock
↗TW
Founded in 1998 and headquartered in New York City, Tradeweb Markets is a leading fixed-income trading platform. While it does offer electronic processing for some voice-negotiated trades, the company focuses primarily on providing electronic trading networks that connect broker/dealers, institutional clients, and retail customers. While the company offers trading in a wide variety of products, the bulk of its business is in US and European government debt, mortgage-backed securities, interest-rate swaps, and US and international corporate bonds. The firm also sells fixed-income trading and price data, primarily through a deal with Refinitiv's Eikon service.
Market cap 26.3B · 1,569 employees
Time Series
Relative Performance
Who Moves First
TW leads COST by 6 days
TW tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.893 (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
+0.113
16 periods · Return correlation when both series rose
Both Falling
+0.818
6 periods · Return correlation when both series fell
Diverging
-0.253
13 periods · Return correlation when series moved apart
R-Squared
79.6%
Share of variance in one series explained by the other.
Trend Agreement
60.6%
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: [0.880, 0.903]
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
Tradeweb Markets Inc. Class A Common Stock
TW
Market cap 26.3B · 1,569 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.1008
Linear regression slope.
Intercept
27.9531
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
TW
Tradeweb Markets Inc. Class A Common Stock
Highest
+0.880
Mastercard Incorporated
MA · 1,254 data points
Lowest
+0.001
Johnson & Johnson
JNJ · 1,254 data points
Saved 4 hours ago · ID: stock-cost-vs-stock-tw-daily