SeriesMagCorrOverlapThrough
These move together about 65% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
Micron is one of the largest semiconductor companies in the world, specializing in memory and storage chips. Its primary revenue stream comes from dynamic random access memory, or DRAM, and it also has minority exposure to not-and or NAND, flash chips. Micron serves a global customer base, selling chips into data centers, mobile phones, consumer electronics, and industrial and automotive applications. The firm is vertically integrated.
Market cap 591.6B · 53,000 employees
Caterpillar is the world's leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. Its reporting segments are construction, resource, energy, and transportation. Market share approaches 20% across many products. Caterpillar operates a captive finance subsidiary to facilitate sales. The firm has a global reach that is approximately evenly balanced between the US and the rest of the world. Construction skews more domestic, while the other divisions are more geographically diversified. An independent network of over 150 dealers operates approximately 2,800 facilities, giving Caterpillar reac
What to Watch
Decouples in drawdowns
Correlation weakens when both fall (+32%) vs when both rise (+53%) — don't count on this pair as a hedge under stress.
Flaky
Correlation swings widely across time windows — careful using this as a point estimate.
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
+93%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with Caterpillar 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
+93%
Pearson correlation
95% CI
+92% → +93%
Likely range
R²
85.9%
Variance explained
Trend agreement
65.1%
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 385.6B · 118,000 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
+53%
99 periods · Return correlation when both series rose
Both Falling
+32%
94 periods · Return correlation when both series fell
Diverging
-30%
56 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
Micron Technology, Inc.
MU
Market cap 591.6B · 53,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Caterpillar Inc.
CAT
Market cap 385.6B · 118,000 employees
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
21
Estimated crossover points between normalized spreads.
Slope
1.4914
Linear regression slope.
Intercept
152.7214
Linear regression intercept.
Saved 2 days ago · ID: stock:cat|stock:mu|5Y