Correlation Analysis
Costco Wholesale Corp vs Texas Instruments Incorporated
COST vs TXN
+0.404
Moderate 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
Texas Instruments Incorporated
↗TXN
Dallas-based Texas Instruments generates over 95% of its revenue from semiconductors and the remainder from its well-known calculators. Texas Instruments is the world's largest maker of analog chips, which are used to process real-world signals such as sound and power. Texas Instruments also has a leading market share position in processors and microcontrollers used in a wide variety of electronics applications.
Market cap 181.6B
Time Series
Relative Performance
Who Moves First
COST leads TXN by 6 days
COST tends to move before TXN.
After testing 13 timing shifts, the strongest relationship was +0.406 (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
+0.933
10 periods · Return correlation when both series rose
Both Falling
-0.081
6 periods · Return correlation when both series fell
Diverging
-0.555
19 periods · Return correlation when series moved apart
R-Squared
16.3%
Share of variance in one series explained by the other.
Trend Agreement
63.6%
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: [0.356, 0.449]
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
Texas Instruments Incorporated
TXN
Market cap 181.6B
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
0.0305
Linear regression slope.
Intercept
159.6385
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
TXN
Texas Instruments Incorporated
Highest
+0.529
Amazon.Com Inc
AMZN · 1,254 data points
Lowest
+0.083
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 7 hours ago · ID: stock-cost-vs-stock-txn-daily