SeriesMagCorrOverlapThrough
These move together about 57% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
Booking is the world's largest online travel agency by sales, offering booking and payment services for hotel and alternative accommodation rooms, airlines, rental cars, restaurants, cruises, experiences, and other vacation packages. The company operates several branded travel booking sites, including Booking.com, Agoda, OpenTable, Rentalcars.com, and Kayak. Transaction fees for online bookings account for the bulk of revenue and profits.
Market cap 138.1B · 24,300 employees
Deutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, and that firm merged with Sprint in 2020, creating the second-largest wireless carrier in the US. T-Mobile now serves 86 million postpaid and 26 million prepaid phone customers, equal to around 30% of the US retail wireless market. The firm entered the fixed-wireless broadband market aggressively in 2021 and now serves 8 million residential and business customers with its wireless network. It also serves 1 million fiber broadband customers through joint ventures with fiber network owners. T-Mobile owns a stake in these firms, which provide wholesale access to their networks. In addition, T-Mobile provides
What to Watch
Drifting from pattern
Recent correlation (+25%) is running 1.3σ away from the long-run average of +90%.
Tighter in drawdowns
Pair moves more tightly when both fall (+46%) than when both rise (+20%) — 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
+90%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with T-Mobile US, 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
+90%
Pearson correlation
95% CI
+89% → +91%
Likely range
R²
81.9%
Variance explained
Trend agreement
57.4%
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 202.2B · 75,000 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
+20%
94 periods · Return correlation when both series rose
Both Falling
+46%
80 periods · Return correlation when both series fell
Diverging
-42%
75 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
Booking Holdings Inc. Common Stock
BKNG
Market cap 138.1B · 24,300 employees
Stock · 1,255 raw → 1,255 prepared
Series B
T-Mobile US, Inc.
TMUS
Market cap 202.2B · 75,000 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
44
Estimated crossover points between normalized spreads.
Slope
0.8025
Linear regression slope.
Intercept
61.4949
Linear regression intercept.
Saved 1 hour ago · ID: stock-bkng_stock-tmus_5y
TMUS
T-Mobile US, Inc.
Strongest positive