SeriesMagCorrOverlapThrough
These move together about 48% of the time
Weak positive
Weak relationship — not much actionable signal here beyond directional colour.
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% f
Market cap 442.8B · 341,000 employees
Bitcoin Cash
BCH
Layer 1 · USD pair
What to Watch
Drifting from pattern
Recent correlation (-69%) is running 1.8σ away from the long-run average of +6%.
Holds across regimes
Correlation is similar when markets rise (+7%) and fall (+17%) — 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
+6%
No shift — both series at their actual dates.
501 overlapping points at this shift
Time series with Bitcoin Cash 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
+6%
Pearson correlation
95% CI
-3% → +15%
Likely range
R²
0.4%
Variance explained
Trend agreement
47.8%
Same-direction moves
Significance
n.s.
Statistical confidence
Data points
501
Robust
Pipeline
Pipeline Summary
501 paired data points survived the daily window.
Raw input
1,255
730
Normalized
1,255
730
Prepared
1,255
730
Aligned
501
501
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
+7%
75 periods · Return correlation when both series rose
Both Falling
+17%
74 periods · Return correlation when both series fell
Diverging
-49%
100 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
983
A: 754 / B: 229
Series A
Costco Wholesale Corp
COST
Market cap 442.8B · 341,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Bitcoin Cash
BCH
Crypto · 730 raw → 730 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
29
Estimated crossover points between normalized spreads.
Slope
0.0877
Linear regression slope.
Intercept
369.5569
Linear regression intercept.
Saved 2 days ago · ID: crypto:bch|stock:cost|5Y
BCH
Bitcoin Cash
Strongest positive