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Correlation
of % moves
+67%
In sync
of periods
33%
History
daysdays · through 2026-05-22
431
These move in the same direction about 33% of the time
When one swings, the other often swings by a similar amount (~44% 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
Unusual right now
Recently looser than usual — the pair is behaving differently than its long-run pattern.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Advanced
Statistics
In sync(i)
32.5%
Headline metric
Movement correlation(i)
+67%
Based on % moves
95% CI
+61% → +71%
Likely range of correlation
Pipeline
Pipeline Summary
431 paired data points survived the daily window.
Raw input
644
1,041
Normalized
644
1,041
Prepared
644
1,041
Aligned
431
431
Invalid removed
R²(i)
44.2%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
431
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
+67%
No shift — both series at their actual dates.
430 overlapping points at this shift
Baseline
+67%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+67%
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
-7%
30 periods · Return correlation when both series rose
Both Falling
-9%
48 periods · Return correlation when both series fell
Diverging
-64%
170 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
823
A: 213 / B: 610
Series A
Fiserv, Inc. Common Stock (FISV)
FISV
Stock · 644 raw → 644 prepared
Series B
2x Long VIX Futures ETF (UVIX)
UVIX
Stock · 1,041 raw → 1,041 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
4.2046
Linear regression slope.
Intercept
-0.0116
Linear regression intercept.
Saved 2 weeks ago · ID: stock-fisv_stock-uvix_daily_5y