These move opposite each other about 55% of the time
Strong inverse
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
Pfizer is one of the world's largest pharmaceutical firms, with annual sales of roughly $60 billion. While it historically sold many types of healthcare products and chemicals, now prescription drugs and vaccines account for the majority of sales. Top sellers include pneumococcal vaccine Prevnar 13 and cardiology drugs Vyndaqel and Eliquis. Pfizer sells these products globally, with international sales representing 40% of total sales. Within international sales, emerging markets are a major contributor.
Market cap 152.4B · 75,000 employees
Royal Caribbean is the world's second-largest cruise company by revenues, operating 69 ships across five global and partner brands in the cruise vacation industry. Brands the company operates include Royal Caribbean International, Celebrity Cruises, and Silversea. The company also has a 50% investment in a joint venture that operates TUI Cruises and Hapag-Lloyd Cruises. The selection of brands in the portfolio allows Royal to compete on the basis of innovation, quality of ships and service, variety of itineraries, choice of destinations, and price. The company completed the divestiture of its Azamara brand in 2021, plans to launch its new Celebrity River Cruise brand in 2027, and is set to o
What to Watch
Unusual right now
Recent correlation (+24%) is 2.8σ from the long-run average of -79% — pair is behaving differently than usual.
Holds across regimes
Correlation is similar when markets rise (-11%) and fall (-11%) — reliable in both directions.
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
-79%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with Royal Caribbean Group 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
-79%
Pearson correlation
95% CI
-81% → -77%
Likely range
R²
63.0%
Variance explained
Trend agreement
54.6%
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.
Market cap 69.4B · 108,000 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
-11%
70 periods · Return correlation when both series rose
Both Falling
-11%
80 periods · Return correlation when both series fell
Diverging
-45%
99 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
Pfizer Inc.
PFE
Market cap 152.4B · 75,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Royal Caribbean Group
RCL
Market cap 69.4B · 108,000 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
-7.0586
Linear regression slope.
Intercept
398.6883
Linear regression intercept.
Saved 1 hour ago · ID: stock-pfe_stock-rcl_5y
RCL
Royal Caribbean Group
Strongest positive