Correlation
of values
+91%
In sync
of periods
47%
History
weeksweeks · through 2026-09
555
These move in the same direction about 47% of the time
When one swings, the other almost always swings by a closely matched amount (~83% 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.
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.
Explore
Advanced
Statistics
In sync(i)
47.5%
Headline metric
Movement correlation(i)
+91%
Based on values
95% CI
+90% → +92%
Likely range of correlation
Pipeline
Pipeline Summary
555 paired data points survived the weekly window.
Raw input
1,359
11,613
Normalized
1,359
11,613
Prepared
1,359
2,417
Aligned
555
555
Invalid removed
R²(i)
83.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
555
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: -12 to 12 weeks.
Selected shift
No shift
Correlation at this shift
+91%
No shift — both series at their actual dates.
555 overlapping points at this shift
Baseline
+91%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+91%
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
+13%
84 periods · Return correlation when both series rose
Both Falling
+18%
35 periods · Return correlation when both series fell
Diverging
-69%
130 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
2,666
A: 804 / B: 1862
Series A
PPI: All Commodities
PPIACO
FRED · 1,359 raw → 1,359 prepared
Series B
USD/ZAR Exchange Rate
DEXSFUS
FRED · 11,613 raw → 2,417 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0967
Linear regression slope.
Intercept
-7.6409
Linear regression intercept.
Saved 2 days ago · ID: fred-dexsfus_fred-ppiaco_5y
Explore
Top 10 by absolute correlation
Ranked across both sides of this comparison using the same dense row format as the single-symbol correlations view.