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Correlation
of values
-16%
In sync
of periods
60%
History
weeksweeks · through 2026-20
1,637
These move opposite each other about 60% of the time
Their swing sizes only faintly mirror each other (~3% 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)
59.5%
Headline metric
Movement correlation(i)
-16%
Based on values
95% CI
-21% → -12%
Likely range of correlation
Pipeline
Pipeline Summary
1,637 paired data points survived the weekly window.
Raw input
1,690
7,868
Normalized
1,690
7,868
Prepared
1,690
1,637
Aligned
1,637
1,637
Invalid removed
R²(i)
2.7%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
1,637
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: -12 to 12 weeks.
Selected shift
No shift
Correlation at this shift
-16%
No shift — both series at their actual dates.
1,637 overlapping points at this shift
Baseline
-16%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-16%
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
+43%
95 periods · Return correlation when both series rose
Both Falling
+13%
82 periods · Return correlation when both series fell
Diverging
-36%
72 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
53
A: 53 / B: 0
Series A
St. Louis Financial Stress Index
STLFSI4
FRED · 1,690 raw → 1,690 prepared
Series B
USD/BRL Exchange Rate
DEXBZUS
FRED · 7,868 raw → 1,637 prepared
Sign agreement
36.3%
How often both values share the same sign.
Zero crossings
49
Estimated crossover points between normalized spreads.
Slope
-0.2325
Linear regression slope.
Intercept
2.8898
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dexbzus_fred-stlfsi4_weekly_5y