Correlation Analysis
Amazon.Com Inc vs Interactive Brokers Group, Inc. Class A Common Stock
AMZN vs IBKR
+0.809
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
Interactive Brokers Group, Inc. Class A Common Stock
↗IBKR
Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 160 electronic exchanges, 36 countries, and 28 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.
Market cap 30.6B · 3,182 employees
Time Series
Rebased to 100
Who Moves First
in sync
AMZN and IBKR tend to move at the same time.
Best correlation after shifting: +0.809 (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
+0.452
14 periods · Return correlation when both series rose
Both Falling
+0.709
6 periods · Return correlation when both series fell
Diverging
-0.712
15 periods · Return correlation when series moved apart
R-Squared
65.4%
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: [0.789, 0.827]
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
Interactive Brokers Group, Inc. Class A Common Stock
IBKR
Market cap 30.6B · 3,182 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
28
Estimated crossover points between normalized spreads.
Slope
0.3512
Linear regression slope.
Intercept
-27.0398
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AMZN
Amazon.Com Inc
Highest
+0.941
Grayscale Bitcoin Trust ETF
GBTC · 1,066 observations
Lowest
-0.877
Humana Inc.
HUM · 1,254 observations
IBKR
Interactive Brokers Group, Inc. Class A Common Stock
Highest
+0.976
Walmart Inc. Common Stock
WMT · 1,254 observations
Lowest
+0.482
Johnson & Johnson
JNJ · 1,254 observations
Saved 3 hours ago · ID: stock-amzn-vs-stock-ibkr-daily-20260408-2hzju6