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Correlation
of values
+48%
In sync
of periods
52%
History
weeksweeks · through 2026-30
1,869
These move in the same direction about 52% of the time
Their swing sizes loosely line up (~23% 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.
Advanced
Statistics
In sync(i)
52%
Headline metric
Movement correlation(i)
+48%
Based on values
95% CI
+44% → +51%
Pipeline
Pipeline Summary
1,869 paired data points survived the weekly window.
Raw input
1,870
11,432
Normalized
1,870
11,432
Prepared
1,870
2,378
Aligned
1,869
1,869
Invalid removed
Likely range of correlation
R²(i)
23%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
1,869
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
+48%
No shift — both series at their actual dates.
1,869 overlapping points at this shift
Baseline
+48%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+48%
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.
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
510
A: 1 / B: 509
Series A
US Gas Price
GASREGW
FRED · 1,870 raw → 1,870 prepared
Series B
USD/HKD Exchange Rate
DEXHKUS
FRED · 11,432 raw → 2,378 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
25
Estimated crossover points between normalized spreads.
Slope
0.0162
Linear regression slope.
Intercept
7.7391
Linear regression intercept.
Saved 3 months ago · ID: fred-dexhkus_fred-gasregw_weekly_5y