Correlation Analysis
HCA Healthcare, Inc. vs Oracle Corp
HCA vs ORCL
+0.788
Strong positive
When one moves up, the other tends to follow.
HCA Healthcare, Inc.
↗HCA
HCA Healthcare is a Nashville-based healthcare provider organization operating the largest collection of acute-care hospitals in the United States. As of December 2025, the firm owned and operated 190 hospitals and over 2,500 outpatient facillities across 19 states and a small foothold in the United Kingdom.
Market cap 108.2B · 320,000 employees
Oracle Corp
↗ORCL
Oracle provides enterprise applications and infrastructure offerings through a variety of flexible IT deployment models, including on-premises, cloud-based, and hybrid. Founded in 1977, Oracle pioneered the first commercial SQL-based relational database management system, which is commonly used by the world's largest companies for high-volume online transaction processing workloads. Besides databases, Oracle also sells enterprise resource planning platforms and cloud infrastructure that play an increasingly important role in large language model training and inferencing.
Market cap 418.6B
Time Series
Relative Performance
Who Moves First
ORCL leads HCA by 6 days
ORCL tends to move before HCA.
After testing 13 timing shifts, the strongest relationship was +0.798 (they moved in the same direction).
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
+0.052
16 periods · Return correlation when both series rose
Both Falling
+0.364
6 periods · Return correlation when both series fell
Diverging
-0.674
13 periods · Return correlation when series moved apart
R-Squared
62.1%
Share of variance in one series explained by the other.
Trend Agreement
59.0%
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: [0.766, 0.808]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points 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
HCA Healthcare, Inc.
HCA
Market cap 108.2B · 320,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Oracle Corp
ORCL
Market cap 418.6B
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
0.5024
Linear regression slope.
Intercept
-25.2172
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-hca-vs-stock-orcl-daily