Correlation Analysis
Alphabet Inc. Class C Capital Stock vs Digital Realty Trust, Inc.
GOOG vs DLR
+0.652
Strong positive
When one moves up, the other tends to follow.
Alphabet Inc. Class C Capital Stock
↗GOOG
Alphabet is a holding company that wholly owns internet giant Google. The California-based company derives slightly less than 90% of its revenue from Google services, the vast majority of which is advertising sales. Alongside online ads, Google services houses sales stemming from Google's subscription services (YouTube TV and YouTube Music, among others), platforms (sales and in-app purchases on Play Store), and devices (Chromebooks, Pixel smartphones, and smart home products such as Chromecast). Google's cloud computing platform accounts for roughly 10% of Alphabet's revenue. The firm's investments in up-and-coming technologies such as self-driving cars (Waymo), health (Verily), and internet access (Google Fiber) make up the rest.
Market cap 3.6T · 190,820 employees
Digital Realty Trust, Inc.
↗DLR
Digital Realty is one of the leading providers of cloud- and carrier-neutral data centers, offering colocation and interconnection services to hyperscalers and large businesses. Digital Realty operates 300 properties in 57 metropolitan areas across 31 countries, serving 5,000 customers. Renting physical space accounts for about 90% of Digital Realty's revenue. The firm enables hyperscalers and other clients to store servers, data, and networking equipment. The other 10% of revenue is generated primarily through interconnection services (8%) and other fee income (2%).
Market cap 62.5B · 4,282 employees
Time Series
Rebased to 100
Who Moves First
in sync
GOOG and DLR tend to move at the same time.
Best correlation after shifting: +0.652 (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
+0.182
18 periods · Return correlation when both series rose
Both Falling
+0.037
7 periods · Return correlation when both series fell
Diverging
-0.351
10 periods · Return correlation when series moved apart
R-Squared
42.6%
Share of variance in one series explained by the other.
Trend Agreement
61.8%
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: [0.619, 0.683]
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
Alphabet Inc. Class C Capital Stock
GOOG
Market cap 3.6T · 190,820 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Digital Realty Trust, Inc.
DLR
Market cap 62.5B · 4,282 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
39
Estimated crossover points between normalized spreads.
Slope
0.2798
Linear regression slope.
Intercept
99.7929
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
GOOG
Alphabet Inc. Class C Capital Stock
Highest
+0.948
Amphenol Corporation
APH · 1,254 observations
Lowest
-0.861
Fiserv, Inc. Common Stock
FISV · 644 observations
Saved 3 hours ago · ID: stock-goog-vs-stock-dlr-daily-20260408-1rn8nx