Correlation Analysis
Amazon.Com Inc vs Blackrock, Inc.
AMZN vs BLK
+0.900
Very strong positive
When one moves up, the other tends to follow.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
Blackrock, Inc.
↗BLK
BlackRock is the largest asset manager in the world, with $14.041 trillion in assets under management at the end of December 2025. Its product mix is diverse, with 55% of managed assets in equity strategies, 23% in fixed income, 9% in multi-asset classes, 6% in money market funds, and 5% in alternatives. Passive strategies account for more than two-thirds of long-term AUM, with the company's ETF platform maintaining a leading market share domestically and on a global basis. Product distribution is weighted more toward institutional clients, which, by our calculations, account for around 80% of AUM. BlackRock is geographically diverse, with clients in more than 100 countries and more than one-third of managed assets coming from investors domiciled outside the US and Canada.
Market cap 149.2B · 24,900 employees
Time Series
Rebased to 100
Who Moves First
in sync
AMZN and BLK tend to move at the same time.
Best correlation after shifting: +0.900 (13 shifts scanned)
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
+0.405
12 periods · Return correlation when both series rose
Both Falling
+0.504
8 periods · Return correlation when both series fell
Diverging
-0.712
15 periods · Return correlation when series moved apart
R-Squared
81.0%
Share of variance in one series explained by the other.
Trend Agreement
62.7%
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: [0.889, 0.910]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations 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
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Blackrock, Inc.
BLK
Market cap 149.2B · 24,900 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
23
Estimated crossover points between normalized spreads.
Slope
3.3423
Linear regression slope.
Intercept
285.7836
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-blk-daily-20260408-ptamfj