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RBC Bearings Incorporated (RBC) vs USD/TWD Exchange Rate
Correlation
of % moves
-4%
In sync
of periods
48%
History
daysdays · through 2026-05-15
995
These move in the same direction about 48% of the time
Their swing sizes barely line up — almost no shared pattern.
Roughly random — these don't track each other in a meaningful way.
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
RBC moves ~1 day before USD/TWD Exchange Rate
Watch RBC for an early read on USD/TWD Exchange Rate.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Advanced
Statistics
In sync(i)
47.8%
Headline metric
Movement correlation(i)
-4%
Based on % moves
95% CI
-11% → +2%
Likely range of correlation
Pipeline
Pipeline Summary
995 paired data points survived the daily window.
Raw input
1,008
10,398
Normalized
1,008
10,398
Prepared
1,008
10,398
Aligned
995
995
Invalid removed
R²(i)
0.2%
Variance explained
Significance
n.s.
Statistical confidence
Data points
995
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
+1 day
Correlation at this shift
-10%
+6% stronger than no-shift baseline
USD/TWD Exchange Rate shifted 1 day earlier. Reads: "Does RBC Bearings Incorporated (RBC) today line up with USD/TWD Exchange Rate 1 day from now?"
991 overlapping points at this shift
Baseline
-4%
No-shift correlation, matching the main time-series chart above.
Peak shift
+1 day
-10%
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
+9%
53 periods · Return correlation when both series rose
Both Falling
-10%
43 periods · Return correlation when both series fell
Diverging
-60%
99 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
9,416
A: 13 / B: 9403
Series A
RBC Bearings Incorporated (RBC)
RBC
Stock · 1,008 raw → 1,008 prepared
Series B
USD/TWD Exchange Rate
DEXTAUS
FRED · 10,398 raw → 10,398 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
-0.0086
Linear regression slope.
Intercept
0.0000
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dextaus_stock-rbc_daily_5y