These move opposite each other about 51% of the time
Strong inverse
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
UnitedHealth Group is one of the largest private health insurers and provides medical benefits to about 51 million members globally, including 1 million outside the US as of December 2025. As a leader in employer-sponsored, self-directed, and government-backed insurance plans, UnitedHealth has obtained massive scale in medical insurance. Along with its insurance assets, UnitedHealth's Optum franchises help create a healthcare services colossus that spans everything from pharmaceutical benefits to providing outpatient care and analytics to affiliates and third parties.
Market cap 333.1B · 390,000 employees
Palantir is an artificial intelligence, analytics, and automated decision-making company that leverages data to drive efficiency across its clients' organizations. The firm serves commercial and government clients via its Foundry and Gotham platforms, respectively. Palantir works only with entities in Western-allied nations and reserves the right not to work with anyone that is antithetical to Western values. The company was founded in 2003 and went public in 2020.
What to Watch
Decouples in drawdowns
Correlation weakens when both fall (-4%) vs when both rise (+30%) — don't count on this pair as a hedge under stress.
Regime-dependent
The correlation has flipped sign across time windows — not reliable as a standalone signal.
Time Series
Time-Shifted Correlation
See how correlation changes when one series is offset in time. A taller bar at a non-zero shift means the two move together better when one leads the other — that's a potential lead/lag signal.
Correlation by shift
Click a bar to inspect. Range: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
-75%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with Palantir Technologies Inc. Class A Common Stock at original dates
Indexed to 100 at start
Deep Dive
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
Corr
-75%
Pearson correlation
95% CI
-77% → -72%
Likely range
R²
55.7%
Variance explained
Trend agreement
51.4%
Same-direction moves
Significance
p < 0.001
Statistical confidence
Data points
1,255
Deep
Pipeline
Pipeline Summary
1,255 paired data points survived the daily window.
Raw input
1,255
1,255
Normalized
1,255
1,255
Prepared
1,255
1,255
Aligned
1,255
1,255
Invalid removed
Explore
The strongest positive and inverse pairs we’ve saved for each side of this comparison — good jumping-off points if this result raised a question.
UNH
UNITEDHEALTH GROUP INCORPORATED (Delaware)
Strongest inverse
Market cap 343B · 4,429 employees
Do They Crash Together?
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
+30%
79 periods · Return correlation when both series rose
Both Falling
-4%
69 periods · Return correlation when both series fell
Diverging
-37%
101 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
UNITEDHEALTH GROUP INCORPORATED (Delaware)
UNH
Market cap 333.1B · 390,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Palantir Technologies Inc. Class A Common Stock
PLTR
Market cap 343B · 4,429 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
6
Estimated crossover points between normalized spreads.
Slope
-0.4989
Linear regression slope.
Intercept
282.5496
Linear regression intercept.
Saved 1 hour ago · ID: stock-pltr_stock-unh_5y
PLTR
Palantir Technologies Inc. Class A Common Stock
Strongest positive