Correlation Analysis
Nvidia Corp vs Intuitive Surgical Inc.
NVDA vs ISRG
+0.903
Very strong positive
When one moves up, the other tends to follow.
Nvidia Corp
↗NVDA
Nvidia is a leading developer of graphics processing units. Traditionally, GPUs were used to enhance the experience on computing platforms, most notably in gaming applications on PCs. GPU use cases have since emerged as important semiconductors used in artificial intelligence to run large language models. Nvidia not only offers AI GPUs, but also a software platform, Cuda, used for AI model development and training. Nvidia is also expanding its data center networking solutions, helping to tie GPUs together to handle complex workloads.
Market cap 4.3T
Intuitive Surgical Inc.
↗ISRG
Intuitive develops, produces, and markets a robotic system for assisting minimally invasive surgery. It also provides the instrumentation, disposable accessories, and warranty services for the system. The company has placed more than 10,000 da Vinci systems in hospitals worldwide, with more than 6,000 installations in the US and a growing number in emerging markets.
Market cap 160.7B · 17,021 employees
Time Series
Rebased to 100
Who Moves First
in sync
NVDA and ISRG tend to move at the same time.
Best correlation after shifting: +0.903 (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
+0.538
19 periods · Return correlation when both series rose
Both Falling
+0.844
7 periods · Return correlation when both series fell
Diverging
-0.633
9 periods · Return correlation when series moved apart
R-Squared
81.5%
Share of variance in one series explained by the other.
Trend Agreement
66.7%
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: [0.892, 0.912]
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
Nvidia Corp
NVDA
Market cap 4.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Intuitive Surgical Inc.
ISRG
Market cap 160.7B · 17,021 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
56
Estimated crossover points between normalized spreads.
Slope
1.6809
Linear regression slope.
Intercept
245.7607
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-nvda-vs-stock-isrg-daily-20260408-4fmjnf