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Correlation
of % moves
-36%
In sync
of periods
35%
History
daysdays · through 2026-09-21
1,252
These move in the same direction about 35% of the time
Their swing sizes only faintly mirror each other (~13% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Explore
Advanced
Statistics
In sync(i)
35%
Headline metric
Movement correlation(i)
-36%
Based on % moves
95% CI
-41% → -31%
Likely range of correlation
Pipeline
Pipeline Summary
1,252 paired data points survived the daily window.
Raw input
1,253
9,278
Normalized
1,253
9,278
Prepared
1,253
9,278
Aligned
1,252
1,252
Invalid removed
R²(i)
13%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
1,251
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
-36%
No shift — both series at their actual dates.
1,251 overlapping points at this shift
Baseline
-36%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-36%
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
-20%
29 periods · Return correlation when both series rose
Both Falling
-8%
32 periods · Return correlation when both series fell
Diverging
-50%
82 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,027
A: 1 / B: 8026
Series A
Stratasys Inc (ISRAEL) (SSYS)
SSYS
Stock · 1,253 raw → 1,253 prepared
Series B
VIX
VIXCLS
FRED · 9,278 raw → 9,278 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
105
Estimated crossover points between normalized spreads.
Slope
-0.8100
Linear regression slope.
Intercept
-0.0008
Linear regression intercept.
Saved 5 months ago · ID: fred-vixcls_stock-ssys_daily_5y
Explore
Top 10 by absolute correlation
Ranked across both sides of this comparison using the same dense row format as the single-symbol correlations view.