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Workday, Inc. Class A Common Stock (WDAY) vs PPI: All Commodities
Correlation
of % moves
-42%
In sync
of periods
50%
History
monthsmonths · through 2026-04
59
These move in the same direction about 50% of the time
Their swing sizes loosely mirror each other (~18% 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
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)
50.0%
Headline metric
Movement correlation(i)
-42%
Based on % moves
95% CI
-61% → -19%
Likely range of correlation
Pipeline
Pipeline Summary
59 paired data points survived the monthly window.
Raw input
1,254
1,360
Normalized
1,254
1,360
Prepared
60
1,360
Aligned
59
59
Invalid removed
R²(i)
17.9%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
59
Thin
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
-42%
No shift — both series at their actual dates.
58 overlapping points at this shift
Baseline
-42%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-42%
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
-48%
17 periods · Return correlation when both series rose
Both Falling
-28%
12 periods · Return correlation when both series fell
Diverging
-80%
29 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,302
A: 1 / B: 1301
Series A
Workday, Inc. Class A Common Stock (WDAY)
WDAY
Stock · 1,254 raw → 60 prepared
Series B
PPI: All Commodities
PPIACO
FRED · 1,360 raw → 1,360 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
-0.0619
Linear regression slope.
Intercept
0.0030
Linear regression intercept.
Saved 3 weeks ago · ID: fred-ppiaco_stock-wday_monthly_5y