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Correlation
of % moves
+20%
In sync
of periods
55%
History
daysdays · through 2026-05-28
351
These move in the same direction about 55% of the time
Their swing sizes only faintly line up (~4% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Unusual right now
Recently tighter 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)
54.6%
Headline metric
Movement correlation(i)
+20%
Based on % moves
95% CI
+10% → +30%
Likely range of correlation
Pipeline
Pipeline Summary
351 paired data points survived the daily window.
Raw input
351
1,254
Normalized
351
1,254
Prepared
351
1,254
Aligned
351
351
Invalid removed
R²(i)
4.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
351
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
+20%
No shift — both series at their actual dates.
350 overlapping points at this shift
Baseline
+20%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+20%
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
+18%
82 periods · Return correlation when both series rose
Both Falling
+9%
57 periods · Return correlation when both series fell
Diverging
-41%
110 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
903
A: 0 / B: 903
Series A
BeOne Medicines Ltd. American Depositary Shares (ONC)
ONC
Stock · 351 raw → 351 prepared
Series B
iShares Gold Trust (IAU)
IAU
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
14
Estimated crossover points between normalized spreads.
Slope
0.1115
Linear regression slope.
Intercept
0.0013
Linear regression intercept.
Saved 3 weeks ago · ID: stock-iau_stock-onc_daily_5y