Correlation Analysis
Costco Wholesale Corp vs Morgan Stanley
COST vs MS
+0.765
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
Morgan Stanley
↗MS
Morgan Stanley is a massive global financial services firm, with offices in 42 countries and more than 82,000 employees as of year-end 2025. The firm cut its teeth in investment banking and institutional trading, where it maintains a strong presence today, but generates the lion share of its income from wealth and asset management franchises, where it boasted $9.3 trillion in client assets at the end of its most recent fiscal year. After reincorporation as a bank holding company in the wake of the global financial crisis, Morgan Stanley also boasts a top 10 banking franchise by deposits, with more than $400 billion in customer deposits, predominately attributable to cash sweeps from its wealth management and brokerage businesses.
Market cap 263.4B · 83,000 employees
Time Series
Relative Performance
Who Moves First
in sync
COST and MS tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.765 (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
+0.565
16 periods · Return correlation when both series rose
Both Falling
N/A
4 periods · Return correlation when both series fell
Diverging
-0.658
15 periods · Return correlation when series moved apart
R-Squared
58.5%
Share of variance in one series explained by the other.
Trend Agreement
56.9%
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: [0.741, 0.787]
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
Morgan Stanley
MS
Market cap 263.4B · 83,000 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
0.1017
Linear regression slope.
Intercept
37.1257
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-cost-vs-stock-ms-daily