Correlation Analysis
Mastercard Incorporated vs Ross Stores Inc
MA vs ROST
+0.787
Strong positive
When one moves up, the other tends to follow.
Mastercard Incorporated
↗MA
Mastercard is the second-largest payment processor in the world, having processed close to $11 trillion in volume during 2025. Mastercard operates in over 200 countries and processes transactions in over 150 currencies.
Market cap 447.2B
Ross Stores Inc
↗ROST
Ross Stores, founded in 1982, is a US-focused off-price apparel and home fashion retailer operating more than 2,100 stores across 43 states, primarily under the Ross Dress for Less banner, with a smaller footprint through DD's Discounts. In fiscal 2024, the company generated over $21 billion in sales. Ross offers branded apparel, footwear, accessories, and home goods at a 20%-60% discount to department and specialty store prices, sourcing closeouts and excess inventory from vendors worldwide.
Market cap 71.3B · 111,000 employees
Time Series
Relative Performance
Who Moves First
ROST leads MA by 5 days
ROST tends to move before MA.
After testing 13 timing shifts, the strongest relationship was +0.788 (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
-0.009
12 periods · Return correlation when both series rose
Both Falling
+0.182
10 periods · Return correlation when both series fell
Diverging
-0.821
13 periods · Return correlation when series moved apart
R-Squared
62.0%
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: [0.765, 0.808]
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
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Series B
Ross Stores Inc
ROST
Market cap 71.3B · 111,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
12
Estimated crossover points between normalized spreads.
Slope
0.2604
Linear regression slope.
Intercept
15.0695
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-ma-vs-stock-rost-daily