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Correlation
of % moves
+52%
In sync
of periods
65%
History
daysdays · through 2026-07-09
345
These move in the same direction about 65% 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
Slipping tighter
The recent pattern is tighter than its long-run baseline — keep an eye on whether this sticks.
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Advanced
Statistics
In sync(i)
65%
Headline metric
Movement correlation(i)
+52%
Based on % moves
95% CI
N/A
Likely range
Pipeline
Pipeline Summary
345 paired data points survived the daily window.
Raw input
345
1,254
Normalized
345
1,254
Prepared
345
1,254
Aligned
345
345
Invalid removed
27%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
344
Robust
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.
344 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
+36%
103 periods · Return correlation when both series rose
Both Falling
+59%
65 periods · Return correlation when both series fell
Diverging
-32%
81 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
909
A: 0 / B: 909
Series A
Sandisk Corporation Common Stock (SNDK)
SNDK
Stock · 345 raw → 345 prepared
Series B
Jabil Inc. (JBL)
JBL
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.2305
Linear regression slope.
Intercept
-0.0003
Linear regression intercept.
Saved 3 months ago · ID: stock-jbl_stock-sndk_daily_5y