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Correlation
of % moves
-10%
In sync
of periods
45%
History
daysdays · through 2026-05-11
242
These move opposite each other about 45% of the time
Their swing sizes only faintly mirror each other (~1% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
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.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Advanced
Statistics
In sync(i)
45.0%
Headline metric
Movement correlation(i)
-10%
Based on % moves
95% CI
-22% → +3%
Likely range of correlation
Pipeline
Pipeline Summary
242 paired data points survived the daily window.
Raw input
1,255
242
Normalized
1,255
242
Prepared
1,255
242
Aligned
242
242
Invalid removed
R²(i)
1.0%
Variance explained
Significance
n.s.
Statistical confidence
Data points
242
Usable
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
-10%
No shift — both series at their actual dates.
241 overlapping points at this shift
Baseline
-10%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-10%
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
-19%
40 periods · Return correlation when both series rose
Both Falling
-15%
68 periods · Return correlation when both series fell
Diverging
-32%
133 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,013
A: 1013 / B: 0
Series A
DUK
Stock · 1,255 raw → 1,255 prepared
Series B
NAKA
Stock · 242 raw → 242 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
-1.2891
Linear regression slope.
Intercept
-0.0196
Linear regression intercept.
Saved 2 days ago · ID: stock-duk_stock-naka_daily_5y