SeriesMagCorrOverlapThrough
These move opposite each other about 61% of the time
Very strong inverse
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
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
Market cap 202.2B · 75,000 employees
As the world's largest parcel delivery company, UPS manages a massive fleet of more than 500 planes and 100,000 vehicles, along with many hundreds of sorting facilities, to deliver an average of about 22 million packages per day to residences and businesses across the globe. UPS' domestic US package operations generate around 65% of total revenue, while international package makes up 20%. Air and ocean freight forwarding and contract logistics make up the remainder.
What to Watch
Unusual right now
Recent correlation (-12%) is 2.1σ from the long-run average of -88% — pair is behaving differently than usual.
Holds across regimes
Correlation is similar when markets rise (-6%) and fall (+8%) — 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
-88%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with United Parcel Service, Inc. Class B 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
-88%
Pearson correlation
95% CI
-89% → -87%
Likely range
R²
77.4%
Variance explained
Trend agreement
60.8%
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 88.3B · 460,000 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
-6%
91 periods · Return correlation when both series rose
Both Falling
+8%
90 periods · Return correlation when both series fell
Diverging
-32%
68 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
T-Mobile US, Inc.
TMUS
Market cap 202.2B · 75,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
United Parcel Service, Inc. Class B
UPS
Market cap 88.3B · 460,000 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
-0.8005
Linear regression slope.
Intercept
291.0920
Linear regression intercept.
Saved 1 hour ago · ID: stock-tmus_stock-ups_5y
UPS
United Parcel Service, Inc. Class B
Strongest positive