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Correlation
of % moves
+35%
In sync
of periods
54%
History
monthsmonths · through 2026-04
58
These move in the same direction about 54% of the time
Their swing sizes only faintly line up (~12% 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
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
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)
54.2%
Headline metric
Movement correlation(i)
+35%
Based on % moves
95% CI
+10% → +56%
Likely range of correlation
Pipeline
Pipeline Summary
58 paired data points survived the monthly window.
Raw input
1,216
797
Normalized
1,216
797
Prepared
59
797
Aligned
58
58
Invalid removed
R²(i)
12.2%
Variance explained
Significance
p < 0.01
Statistical confidence
Data points
58
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
+35%
No shift — both series at their actual dates.
56 overlapping points at this shift
Baseline
+35%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+35%
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
+35%
14 periods · Return correlation when both series rose
Both Falling
-1%
12 periods · Return correlation when both series fell
Diverging
-40%
30 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
740
A: 1 / B: 739
Series A
PSTG
Stock · 1,216 raw → 59 prepared
Series B
Real-time Sahm Rule Recession Indicator
SAHMREALTIME
FRED · 797 raw → 797 prepared
Sign agreement
73.6%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.7071
Linear regression slope.
Intercept
-0.0143
Linear regression intercept.
Saved last month · ID: fred-sahmrealtime_stock-pstg_monthly_5y