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Correlation
of % moves
-35%
In sync
of periods
36%
History
daysdays · through 2026-07-30
1,247
These move in the same direction about 36% of the time
Their swing sizes only faintly mirror each other (~12% 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.
Advanced
Statistics
In sync(i)
36%
Headline metric
Movement correlation(i)
-35%
Based on % moves
95% CI
-40% → -30%
Likely range of correlation
Pipeline
Pipeline Summary
1,247 paired data points survived the daily window.
Raw input
1,253
9,241
Normalized
1,253
9,241
Prepared
1,253
9,241
Aligned
1,247
1,247
Invalid removed
R²(i)
12%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
1,246
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
-35%
No shift — both series at their actual dates.
1,246 overlapping points at this shift
Baseline
-35%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-35%
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
-12%
19 periods · Return correlation when both series rose
Both Falling
-22%
33 periods · Return correlation when both series fell
Diverging
-62%
86 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,000
A: 6 / B: 7994
Series A
Materialise NV (MTLS)
MTLS
Stock · 1,253 raw → 1,253 prepared
Series B
VIX
VIXCLS
FRED · 9,241 raw → 9,241 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
117
Estimated crossover points between normalized spreads.
Slope
-0.7744
Linear regression slope.
Intercept
-0.0007
Linear regression intercept.
Saved 3 months ago · ID: fred-vixcls_stock-mtls_daily_5y