SeriesMagCorrOverlapThrough
These move together about 64% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
PayPal was spun off from eBay in 2015 and provides electronic payment solutions to merchants and consumers, with a focus on online transactions. The company had 439 million active accounts at the end of 2025. The company also owns Venmo, a person-to-person payment platform.
Market cap 44.8B · 23,800 employees
SNDL Inc is a private-sector liquor and cannabis retailer in Canada with retail banners that include Ace Liquor, Wine and Beyond, Liquor Depot, Value Buds, and Spiritleaf. The principal activities of the company are the retailing of wines, beers, and spirits. It comprised four reportable segments: liquor retail, cannabis retail, cannabis operations, and investments. Liquor retail includes the sale of wines, beers, and spirits through owned liquor stores. The company generates maximum revenue from liquor retail.
Market cap 367M · 2,604 employees
What to Watch
Unusual right now
Recent correlation (+29%) is 2.3σ from the long-run average of +92% — pair is behaving differently than usual.
Tighter in drawdowns
Pair moves more tightly when both fall (+56%) than when both rise (+10%) — typical risk-off behaviour.
Flaky
Correlation swings widely across time windows — careful using this as a point estimate.
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
+92%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with Sundial Growers Inc. Common Shares 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
+92%
Pearson correlation
95% CI
+91% → +93%
Likely range
R²
84.7%
Variance explained
Trend agreement
64.1%
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.
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
+10%
84 periods · Return correlation when both series rose
Both Falling
+56%
99 periods · Return correlation when both series fell
Diverging
-47%
66 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
PayPal Holdings, Inc. Common Stock
PYPL
Market cap 44.8B · 23,800 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Sundial Growers Inc. Common Shares
SNDL
Market cap 367M · 2,604 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.0307
Linear regression slope.
Intercept
-0.0519
Linear regression intercept.
Saved 1 hour ago · ID: stock-pypl_stock-sndl_5y
SNDL
Sundial Growers Inc. Common Shares
Strongest positive