Correlation Analysis
Amazon.Com Inc vs MongoDB, Inc. Class A
AMZN vs MDB
+0.145
Weak 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
MongoDB, Inc. Class A
↗MDB
Founded in 2007, MongoDB is a vendor of a document-oriented database that accelerates development processes of new applications. Enterprise customers can choose between the fully managed offering, MongoDB Atlas, or the self-managed version, MongoDB Enterprise Advanced. MongoDB is a popular tool among developers, and its free Community Server has recorded over 500 million downloads since 2009.
Market cap 20.5B · 5,636 employees
Time Series
Rebased to 100
Who Moves First
in sync
AMZN and MDB tend to move at the same time.
Best correlation after shifting: +0.145 (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
-0.497
13 periods · Return correlation when both series rose
Both Falling
+0.813
8 periods · Return correlation when both series fell
Diverging
-0.581
14 periods · Return correlation when series moved apart
R-Squared
2.1%
Share of variance in one series explained by the other.
Trend Agreement
70.6%
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: [0.090, 0.199]
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
MongoDB, Inc. Class A
MDB
Market cap 20.5B · 5,636 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
22
Estimated crossover points between normalized spreads.
Slope
0.3191
Linear regression slope.
Intercept
262.4494
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-mdb-daily-20260408-8fj8vj