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DGX vs FUS Core CPIQuest Diagnostics Inc. (DGX) vs US Core CPI
Correlation
of % moves
-32%
In sync
of periods
54%
History
monthsmonths · through 2026-07
58
These move in the same direction about 54% of the time
Their swing sizes only faintly mirror each other (~11% 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
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)
54%
Headline metric
Movement correlation(i)
-32%
Based on % moves
95% CI
-54% → -7%
Pipeline
Pipeline Summary
58 paired data points survived the monthly window.
Raw input
1,254
834
Normalized
1,254
834
Prepared
61
834
Aligned
58
58
Invalid removed
Likely range of correlation
R²(i)
11%
Variance explained
Significance
p < 0.05
Statistical confidence
Data points(i)
56
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
-32%
No shift — both series at their actual dates.
56 overlapping points at this shift
Baseline
-32%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-32%
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
+1%
30 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
-58%
26 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
779
A: 3 / B: 776
Series A
Quest Diagnostics Inc. (DGX)
DGX
Stock · 1,254 raw → 61 prepared
Series B
US Core CPI
CPILFESL
FRED · 834 raw → 834 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
4
Estimated crossover points between normalized spreads.
Slope
-0.0098
Linear regression slope.
Intercept
0.0033
Linear regression intercept.
Saved 4 months ago · ID: fred-cpilfesl_stock-dgx_monthly_5y