SeriesMagCorrOverlapThrough
These move opposite each other about 57% 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
JetBlue Airways Corp is a low-cost airline that offers high-quality service, including assigned seating and in-flight entertainment. It served approximately 100 destinations in the United States, the Caribbean and Latin America, Canada, and England. The company currently operates Airbus A321, Airbus A320, Airbus A321neo, and Embraer E190 aircraft types. The company has one operating segment, Air Transportation Services, which provides services in the United States, the Caribbean, Latin America, Canada, and Europe. The majority of revenue is generated from the Domestic & Canada segment.
What to Watch
Unusual right now
Recent correlation (+36%) is 3.8σ from the long-run average of -72% — pair is behaving differently than usual.
Tighter in drawdowns
Pair moves more tightly when both fall (+32%) than when both rise (+9%) — typical risk-off behaviour.
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
-72%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with JetBlue Airways Corp 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
-72%
Pearson correlation
95% CI
-74% → -69%
Likely range
R²
51.7%
Variance explained
Trend agreement
56.7%
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 1.8B · 22,087 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
+9%
84 periods · Return correlation when both series rose
Both Falling
+32%
83 periods · Return correlation when both series fell
Diverging
-49%
82 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
JetBlue Airways Corp
JBLU
Market cap 1.8B · 22,087 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
13
Estimated crossover points between normalized spreads.
Slope
-0.1094
Linear regression slope.
Intercept
38.4005
Linear regression intercept.
Saved 59 minutes ago · ID: stock-jblu_stock-mcd_5y
JBLU
JetBlue Airways Corp
Strongest positive