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PPL Corporation (PPL) vs USD/LKR Exchange Rate
Correlation
of % moves
+4%
In sync
of periods
51%
History
daysdays · through 2026-05-15
1,235
These move in the same direction about 51% of the time
Their swing sizes barely line up — almost no shared pattern.
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
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Advanced
Statistics
In sync(i)
51.5%
Headline metric
Movement correlation(i)
+4%
Based on % moves
95% CI
-2% → +9%
Likely range of correlation
Pipeline
Pipeline Summary
1,235 paired data points survived the daily window.
Raw input
1,254
13,025
Normalized
1,254
13,025
Prepared
1,254
13,025
Aligned
1,235
1,235
Invalid removed
R²(i)
0.2%
Variance explained
Significance
n.s.
Statistical confidence
Data points
1,235
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: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
+4%
No shift — both series at their actual dates.
1,234 overlapping points at this shift
Baseline
+4%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+4%
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
+3%
42 periods · Return correlation when both series rose
Both Falling
-7%
38 periods · Return correlation when both series fell
Diverging
-25%
56 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
11,809
A: 19 / B: 11790
Series A
PPL Corporation (PPL)
PPL
Stock · 1,254 raw → 1,254 prepared
Series B
USD/LKR Exchange Rate
DEXSLUS
FRED · 13,025 raw → 13,025 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
0.0230
Linear regression slope.
Intercept
0.0004
Linear regression intercept.
Saved 3 weeks ago · ID: fred-dexslus_stock-ppl_daily_5y