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Correlation
of values
-53%
In sync
of periods
61%
History
daysdays · through 2026-05-15
745
These move opposite each other about 61% of the time
Their swing sizes loosely mirror each other (~28% 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
Slipping tighter
The recent pattern is tighter than its long-run baseline — keep an eye on whether this sticks.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Advanced
Statistics
In sync(i)
61.2%
Headline metric
Movement correlation(i)
-53%
Based on values
95% CI
-58% → -48%
Likely range of correlation
Pipeline
Pipeline Summary
745 paired data points survived the daily window.
Raw input
786
7,868
Normalized
786
7,868
Prepared
786
7,868
Aligned
745
745
Invalid removed
R²(i)
28.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
745
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
-53%
No shift — both series at their actual dates.
745 overlapping points at this shift
Baseline
-53%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-53%
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
+46%
64 periods · Return correlation when both series rose
Both Falling
+25%
87 periods · Return correlation when both series fell
Diverging
-46%
98 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
7,164
A: 41 / B: 7123
Series A
ICE BofA BBB US Corporate Index Option-Adjusted Spread
BAMLC0A4CBBB
FRED · 786 raw → 786 prepared
Series B
USD/BRL Exchange Rate
DEXBZUS
FRED · 7,868 raw → 7,868 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
10
Estimated crossover points between normalized spreads.
Slope
-0.8923
Linear regression slope.
Intercept
6.3898
Linear regression intercept.
Saved 2 weeks ago · ID: fred-bamlc0a4cbbb_fred-dexbzus_daily_5y