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The Kroger Co. (KR) vs Personal Savings Rate
Correlation
of % moves
-30%
In sync
of periods
38%
History
monthsmonths · through 2026-03
59
These move opposite each other about 38% of the time
Their swing sizes only faintly mirror each other (~9% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
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
Slipping looser
The recent pattern is looser than its long-run baseline — keep an eye on whether this sticks.
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)
38.5%
Headline metric
Movement correlation(i)
-30%
Based on % moves
95% CI
-52% → -4%
Likely range of correlation
Pipeline
Pipeline Summary
59 paired data points survived the monthly window.
Raw input
1,254
807
Normalized
1,254
807
Prepared
61
807
Aligned
59
59
Invalid removed
R²(i)
8.9%
Variance explained
Significance
p < 0.05
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
-30%
No shift — both series at their actual dates.
58 overlapping points at this shift
Baseline
-30%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-30%
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
-22%
9 periods · Return correlation when both series rose
Both Falling
-6%
11 periods · Return correlation when both series fell
Diverging
-53%
38 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
750
A: 2 / B: 748
Series A
The Kroger Co. (KR)
KR
Stock · 1,254 raw → 61 prepared
Series B
Personal Savings Rate
PSAVERT
FRED · 807 raw → 807 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
-0.6221
Linear regression slope.
Intercept
-0.0103
Linear regression intercept.
Saved 2 weeks ago · ID: fred-psavert_stock-kr_monthly_5y