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Correlate

Correlation Analysis

Ameriprise Financial, Inc. vs Costco Wholesale Corp

AMP vs COST

+0.955

Very strong positive

When one moves up, the other tends to follow.

AMP logo

Ameriprise Financial, Inc.

AMP

Ameriprise Financial has evolved into a diversified financial services provider that generates roughly 65% of its operating income from advice and wealth management. With nearly $1.2 trillion in segment assets under management and advisory at year-end 2025, and with roughly 10,600 affiliated and employee advisors, Ameriprise is one of the larger US-based wealth managers. It also boasts a reasonably large asset management franchise in Columbia Threadneedle, which boasted $678 billion in assets under management at year-end 2025. The firm's third key segment is its retirement and protection services business, which sells insurance products to the firm's advisory clients. After eliminations, Ameriprise had $1.69 trillion in assets under management and advisory across segments at year-end 2025.

Market cap 39B · 13,600 employees

COST logo

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

Apr 9, 2021 — Apr 7, 2026Daily1,254 data pointsStockStockConsumer

Time Series

Relative Performance

Green: AMPGray: COST36 of 1,254 points (sampled)

Who Moves First

AMP leads COST by 6 days

AMP tends to move before COST.

After testing 13 timing shifts, the strongest relationship was +0.956 (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

+0.114

14 periods · Return correlation when both series rose

Both Falling

+0.540

5 periods · Return correlation when both series fell

Diverging

-0.506

16 periods · Return correlation when series moved apart

R-Squared

91.1%

Share of variance in one series explained by the other.

Trend Agreement

61.5%

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: [0.949, 0.959]

Scatter

XY Regression

216.9250300350400450500550563.73064006008001,0001,134Ameriprise Financial, Inc.Costco Wholesale CorpData pointsFit (r = 0.955)

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

AMP logo

Ameriprise Financial, Inc.

AMP

Market cap 39B · 13,600 employees

Stock · 1,254 raw → 1,254 prepared

Series B

COST logo

Costco Wholesale Corp

COST

Market cap 451.9B

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

15

Estimated crossover points between normalized spreads.

Slope

2.0786

Linear regression slope.

Intercept

-103.3572

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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