SeriesMagCorrOverlapThrough
These move opposite each other about 54% of the time
Strong inverse
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
McDonald's is the world's largest restaurant brand, with nearly $139 billion in systemwide sales across more than 45,000 restaurants and over 100 markets. The quick-service chain built its early reputation on speed, consistency, and affordable hamburgers, and today its global menu spans burgers, chicken, breakfast, and beverages that have helped popularize American fast-food cuisine worldwide. The firm derives the bulk of its revenue from franchise royalties and rent (about 62%), with the remainder stemming from company-operated restaurants across three segments: the United States (39% of systemwide sales), international operated markets (35%), and international developmental/licensed market
Market cap 206.3B · 150,000 employees
GoPro Inc is a United States-based company that is principally engaged in designing and providing cameras, mounts and accessories, lifestyle gear, applications, and subscriptions and services. The company sells products across the world through retailers, distributors, and on GoPro.com. Its hardware products are designed and developed in the United States, France, China, and Romania, and a majority of the manufacturing is outsourced to contract manufacturers located in China, Thailand, and Vietnam. Geographically, the company generates maximum revenue from the Americas, followed by Europe, Middle East and Africa (EMEA), and Asia and Pacific (APAC) region.
What to Watch
Drifting from pattern
Recent correlation (-34%) is running 1.3σ away from the long-run average of -79%.
Holds across regimes
Correlation is similar when markets rise (-8%) and fall (+5%) — 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 GoPro, Inc. 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
62.4%
Variance explained
Trend agreement
54.3%
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 225.8M · 636 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
-8%
64 periods · Return correlation when both series rose
Both Falling
+5%
77 periods · Return correlation when both series fell
Diverging
-45%
108 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
McDonald's Corporation
MCD
Market cap 206.3B · 150,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
GoPro, Inc.
GPRO
Market cap 225.8M · 636 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
-0.1001
Linear regression slope.
Intercept
31.9713
Linear regression intercept.
Saved 2 hours ago · ID: stock-gpro_stock-mcd_5y
GPRO
GoPro, Inc.
Strongest positive