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Correlation
of values
+88%
In sync
of periods
54%
History
monthsmonths · through 2026-04
375
These move in the same direction about 54% of the time
When one swings, the other almost always swings by a closely matched amount (~77% of the pattern is shared).
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
Unusual right now
Recently looser than usual — the pair is behaving differently than its long-run pattern.
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)
54.3%
Headline metric
Movement correlation(i)
+88%
Based on values
95% CI
+85% → +90%
Pipeline
Pipeline Summary
375 paired data points survived the monthly window.
Raw input
831
7,868
Normalized
831
7,868
Prepared
831
377
Aligned
375
375
Invalid removed
Likely range of correlation
R²(i)
77.4%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
375
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: -18 to 18 months.
Selected shift
No shift
Correlation at this shift
+88%
No shift — both series at their actual dates.
375 overlapping points at this shift
Baseline
+88%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+88%
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
+23%
132 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
-52%
117 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
458
A: 456 / B: 2
Series A
US Core CPI
CPILFESL
FRED · 831 raw → 831 prepared
Series B
USD/BRL Exchange Rate
DEXBZUS
FRED · 7,868 raw → 377 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0273
Linear regression slope.
Intercept
-3.3620
Linear regression intercept.
Saved 2 weeks ago · ID: fred-cpilfesl_fred-dexbzus_monthly_5y