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Correlation
of % moves
+52%
In sync
of periods
69%
History
daysdays · through 2026-05-22
1,253
These move in the same direction about 69% of the time
Their swing sizes loosely line up (~27% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
On a log scale so equal % moves take equal vertical space — best when one series has grown much faster than the other.
What to Watch
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Advanced
Statistics
In sync(i)
69.3%
Headline metric
Movement correlation(i)
+52%
Based on % moves
95% CI
+48% → +56%
Likely range of correlation
Pipeline
Pipeline Summary
1,253 paired data points survived the daily window.
Raw input
1,253
1,253
Normalized
1,253
1,253
Prepared
1,253
1,253
Aligned
1,253
1,253
Invalid removed
R²(i)
27.2%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
1,253
Deep
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
+52%
No shift — both series at their actual dates.
1,252 overlapping points at this shift
Baseline
+52%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+52%
A non-zero peak suggests one series lines up better when shifted against the other.
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
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
+43%
54 periods · Return correlation when both series rose
Both Falling
+14%
60 periods · Return correlation when both series fell
Diverging
-33%
26 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
Norfolk Southern Corp. (NSC)
NSC
Stock · 1,253 raw → 1,253 prepared
Series B
United Rentals, Inc. (URI)
URI
Stock · 1,253 raw → 1,253 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.8126
Linear regression slope.
Intercept
0.0007
Linear regression intercept.
Saved 2 weeks ago · ID: stock-nsc_stock-uri_daily_5y