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Correlation
of % moves
+21%
In sync
of periods
56%
History
daysdays · through 2026-09-04
420
These move in the same direction about 56% of the time
Their swing sizes only faintly line up (~4% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
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.
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)
56%
Headline metric
Movement correlation(i)
+21%
Based on % moves
95% CI
+11% → +30%
Likely range of correlation
Pipeline
Pipeline Summary
420 paired data points survived the daily window.
Raw input
420
1,254
Normalized
420
1,254
Prepared
420
1,254
Aligned
420
420
Invalid removed
R²(i)
4%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
419
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
+21%
No shift — both series at their actual dates.
419 overlapping points at this shift
Baseline
+21%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+21%
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
+31%
89 periods · Return correlation when both series rose
Both Falling
+9%
60 periods · Return correlation when both series fell
Diverging
-43%
100 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
834
A: 0 / B: 834
Series A
BeOne Medicines Ltd. American Depositary Shares (ONC)
ONC
Stock · 420 raw → 420 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
15
Estimated crossover points between normalized spreads.
Slope
0.1224
Linear regression slope.
Intercept
0.0010
Linear regression intercept.
Saved 4 months ago · ID: stock-iau_stock-onc_daily_5y