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St. Louis Financial Stress Index vs Lyft, Inc. Class A Common Stock (LYFT)
Correlation
of % moves
-34%
In sync
of periods
34%
History
weeksweeks · through 2026-35
260
These move in the same direction about 34% of the time
Their swing sizes only faintly mirror each other (~12% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
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)
34%
Headline metric
Movement correlation(i)
-34%
Based on % moves
95% CI
-44% → -23%
Likely range of correlation
Pipeline
Pipeline Summary
260 paired data points survived the weekly window.
Raw input
1,705
1,253
Normalized
1,705
1,253
Prepared
1,705
262
Aligned
260
260
Invalid removed
R²(i)
12%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
259
Robust
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: -12 to 12 weeks.
Selected shift
No shift
Correlation at this shift
-34%
No shift — both series at their actual dates.
259 overlapping points at this shift
Baseline
-34%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-34%
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
+13%
38 periods · Return correlation when both series rose
Both Falling
+1%
40 periods · Return correlation when both series fell
Diverging
-48%
161 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,447
A: 1445 / B: 2
Series A
St. Louis Financial Stress Index
STLFSI4
FRED · 1,705 raw → 1,705 prepared
Series B
Lyft, Inc. Class A Common Stock (LYFT)
LYFT
Stock · 1,253 raw → 262 prepared
Sign agreement
9.2%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
-0.1168
Linear regression slope.
Intercept
-0.0041
Linear regression intercept.
Saved last month · ID: fred-stlfsi4_stock-lyft_weekly_5y