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Correlation
of % moves
+27%
In sync
of periods
65%
History
daysdays · through 2026-06-23
592
These move in the same direction about 65% of the time
Their swing sizes only faintly line up (~7% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
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 tighter than usual — the pair is behaving differently than its long-run pattern.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Advanced
Statistics
In sync(i)
65%
Headline metric
Movement correlation(i)
+27%
Based on % moves
95% CI
+19% → +34%
Likely range of correlation
Pipeline
Pipeline Summary
592 paired data points survived the daily window.
Raw input
1,202
644
Normalized
1,202
644
Prepared
1,202
644
Aligned
592
592
Invalid removed
R²(i)
7%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
590
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
+27%
No shift — both series at their actual dates.
590 overlapping points at this shift
Baseline
+27%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+27%
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
-30%
86 periods · Return correlation when both series rose
Both Falling
-8%
94 periods · Return correlation when both series fell
Diverging
-20%
67 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
662
A: 610 / B: 52
Series A
EchoStar Corporation (SATS)
SATS
Stock · 1,202 raw → 1,202 prepared
Series B
Fiserv, Inc. Common Stock (FISV)
FISV
Stock · 644 raw → 644 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.1938
Linear regression slope.
Intercept
-0.0005
Linear regression intercept.
Saved 4 months ago · ID: stock-fisv_stock-sats_daily_5y