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Correlation
of % moves
+39%
In sync
of periods
64%
History
daysdays · through 2026-05-28
1,140
These move in the same direction about 64% of the time
Their swing sizes only faintly line up (~15% 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
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Advanced
Statistics
In sync(i)
64.5%
Headline metric
Movement correlation(i)
+39%
Based on % moves
95% CI
+34% → +43%
Likely range of correlation
Pipeline
Pipeline Summary
1,140 paired data points survived the daily window.
Raw input
1,254
1,140
Normalized
1,254
1,140
Prepared
1,254
1,140
Aligned
1,140
1,140
Invalid removed
R²(i)
14.9%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
1,140
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
+39%
No shift — both series at their actual dates.
1,139 overlapping points at this shift
Baseline
+39%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+39%
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
+60%
56 periods · Return correlation when both series rose
Both Falling
+34%
72 periods · Return correlation when both series fell
Diverging
-31%
37 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
114
A: 114 / B: 0
Series A
Roblox Corporation (RBLX)
RBLX
Stock · 1,254 raw → 1,254 prepared
Series B
Rivian Automotive, Inc. Class A Common Stock (RIVN)
RIVN
Stock · 1,140 raw → 1,140 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
14
Estimated crossover points between normalized spreads.
Slope
0.4331
Linear regression slope.
Intercept
-0.0014
Linear regression intercept.
Saved 3 weeks ago · ID: stock-rblx_stock-rivn_daily_5y