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GlobalFoundries Inc. Ordinary Shares (GFS) vs USA Rare Earth, Inc. Class A Common Stock (USAR)
Correlation
of % moves
+21%
In sync
of periods
60%
History
daysdays · through 2026-07-31
347
These move in the same direction about 60% of the time
Their swing sizes only faintly line up (~4% 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.
Swings around
Their relationship swings around — sometimes tight, sometimes loose. Don't trust a single snapshot.
Advanced
Statistics
In sync(i)
60%
Headline metric
Movement correlation(i)
+21%
Based on % moves
95% CI
+10% → +30%
Likely range of correlation
Pipeline
Pipeline Summary
347 paired data points survived the daily window.
Raw input
1,193
347
Normalized
1,193
347
Prepared
1,193
347
Aligned
347
347
Invalid removed
R²(i)
4%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
346
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.
346 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
+35%
71 periods · Return correlation when both series rose
Both Falling
+10%
78 periods · Return correlation when both series fell
Diverging
-45%
100 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
846
A: 846 / B: 0
Series A
GlobalFoundries Inc. Ordinary Shares (GFS)
GFS
Stock · 1,193 raw → 1,193 prepared
Series B
USA Rare Earth, Inc. Class A Common Stock (USAR)
USAR
Stock · 347 raw → 347 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
27
Estimated crossover points between normalized spreads.
Slope
0.4908
Linear regression slope.
Intercept
-0.0010
Linear regression intercept.
Saved 3 months ago · ID: stock-gfs_stock-usar_daily_5y