Correlation Analysis
Microsoft Corp vs Reddit, Inc.
MSFT vs RDDT
+0.586
Moderate positive
When one moves up, the other tends to follow.
Microsoft Corp
↗MSFT
Microsoft develops and licenses consumer and enterprise software. It is known for its Windows operating systems and Office productivity suite. The company is organized into three equally sized broad segments: productivity and business processes (legacy Microsoft Office, cloud-based Office 365, Exchange, SharePoint, Skype, LinkedIn, Dynamics), intelligence cloud (infrastructure- and platform-as-a-service offerings Azure, Windows Server OS, SQL Server), and more personal computing (Windows Client, Xbox, Bing search, display advertising, and Surface laptops, tablets, and desktops).
Market cap 2.8T
Reddit, Inc.
↗RDDT
Reddit is a social media platform where users can engage in conversations, explore, and create communities centered around their interests. Founded in 2005 by Steve Huffman and Alexis Ohanian, Reddit has evolved into a vast network of user-generated content organized into specialized forums known as "subreddits." The platform's unique community-driven model relies on volunteer moderators to manage content and maintain subreddit guidelines. Reddit generates revenue through advertising, Premium Memberships, and data licensing agreements.
Market cap 26.4B · 2,555 employees
Time Series
Rebased to 100
Who Moves First
MSFT leads RDDT by 6 days
MSFT tends to move before RDDT.
Best correlation after shifting: +0.625 (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
-0.172
13 periods · Return correlation when both series rose
Both Falling
+0.353
10 periods · Return correlation when both series fell
Diverging
-0.357
12 periods · Return correlation when series moved apart
R-Squared
34.3%
Share of variance in one series explained by the other.
Trend Agreement
61.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
512
Robust shared window — 512 usable pairs.
Significance
p < 0.001
95% CI: [0.526, 0.640]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
512 paired observations survived the daily window.
Raw input
1,254
512
Normalized
1,254
512
Prepared
1,254
512
Aligned
512
512
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
742
A: 742 / B: 0
Series A
Microsoft Corp
MSFT
Market cap 2.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Reddit, Inc.
RDDT
Market cap 26.4B · 2,555 employees
Stock · 512 raw → 512 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
0.8460
Linear regression slope.
Intercept
-238.3605
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-msft-vs-stock-rddt-daily-20260408-zkmqs8