SeriesMagCorrOverlapThrough
These move together about 71% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
Plug Power Inc is building an end-to-end green hydrogen ecosystem, from production, storage, and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe. Plug will deliver its green hydrogen solutions directly to its customers and through joint venture partners into multiple end markets, including material handling, e-mobility, power generation, and industrial applications.
Market cap 4.3B · 2,582 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
Unusual right now
Recent correlation (+66%) is 3.2σ from the long-run average of +95% — pair is behaving differently than usual.
Tighter in drawdowns
Pair moves more tightly when both fall (+65%) than when both rise (+41%) — typical risk-off behaviour.
Rock solid
Correlation barely moves across time windows — treat this as a reliable relationship.
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
+95%
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
+95%
Pearson correlation
95% CI
+94% → +95%
Likely range
R²
90.1%
Variance explained
Trend agreement
71.1%
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
+41%
94 periods · Return correlation when both series rose
Both Falling
+65%
107 periods · Return correlation when both series fell
Diverging
-60%
48 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
Plug Power Inc.
PLUG
Market cap 4.3B · 2,582 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
7
Estimated crossover points between normalized spreads.
Slope
0.2899
Linear regression slope.
Intercept
0.9840
Linear regression intercept.
Saved 1 hour ago · ID: stock-gpro_stock-plug_5y
GPRO
GoPro, Inc.
Strongest positive