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Bank of New York Mellon Corp. (BK) vs St. Louis Financial Stress Index
Correlation
of % moves
-51%
In sync
of periods
37%
History
weeksweeks · through 2026-21
246
These move in the same direction about 37% of the time
Their swing sizes loosely mirror each other (~26% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
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)
37%
Headline metric
Movement correlation(i)
-51%
Based on % moves
95% CI
-60% → -41%
Likely range of correlation
Pipeline
Pipeline Summary
246 paired data points survived the weekly window.
Raw input
1,179
1,704
Normalized
1,179
1,704
Prepared
246
1,704
Aligned
246
246
Invalid removed
R²(i)
26%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
245
Usable
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
-51%
No shift — both series at their actual dates.
245 overlapping points at this shift
Baseline
-51%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-51%
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
-12%
66 periods · Return correlation when both series rose
Both Falling
-26%
24 periods · Return correlation when both series fell
Diverging
-68%
155 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,458
A: 0 / B: 1458
Series A
BK
Stock · 1,179 raw → 246 prepared
Series B
St. Louis Financial Stress Index
STLFSI4
FRED · 1,704 raw → 1,704 prepared
Sign agreement
9.8%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-4.1989
Linear regression slope.
Intercept
0.0162
Linear regression intercept.
Saved 4 months ago · ID: fred-stlfsi4_stock-bk_weekly_5y