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Correlation
of values
+44%
In sync
of periods
48%
History
weeksweeks · through 2026-20
1,637
These move in the same direction about 48% of the time
Their swing sizes loosely line up (~20% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Slipping looser
The recent pattern is looser than its long-run baseline — keep an eye on whether this sticks.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
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)
47.6%
Headline metric
Movement correlation(i)
+44%
Based on values
95% CI
+40% → +48%
Likely range of correlation
Pipeline
Pipeline Summary
1,637 paired data points survived the weekly window.
Raw input
1,860
7,868
Normalized
1,860
7,868
Prepared
1,860
1,637
Aligned
1,637
1,637
Invalid removed
R²(i)
19.6%
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
+44%
No shift — both series at their actual dates.
1,637 overlapping points at this shift
Baseline
+44%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+44%
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
+12%
72 periods · Return correlation when both series rose
Both Falling
-16%
59 periods · Return correlation when both series fell
Diverging
-45%
118 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
223
A: 223 / B: 0
Series A
US Gas Price
GASREGW
FRED · 1,860 raw → 1,860 prepared
Series B
USD/BRL Exchange Rate
DEXBZUS
FRED · 7,868 raw → 1,637 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
18
Estimated crossover points between normalized spreads.
Slope
0.6995
Linear regression slope.
Intercept
1.1934
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dexbzus_fred-gasregw_weekly_5y