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Correlation
of values
-85%
In sync
of periods
29%
History
daysdays · through 2026-06-05
750
These move in the same direction about 29% of the time
When one swings, the other often swings by a similar amount in the opposite direction (~72% 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.
Advanced
Statistics
In sync(i)
28.9%
Headline metric
Movement correlation(i)
-85%
Based on values
95% CI
-87% → -83%
Likely range of correlation
Pipeline
Pipeline Summary
750 paired data points survived the daily window.
Raw input
785
13,952
Normalized
785
13,952
Prepared
785
13,952
Aligned
750
750
Invalid removed
R²(i)
72.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
750
Deep
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: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
-85%
No shift — both series at their actual dates.
750 overlapping points at this shift
Baseline
-85%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-85%
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
+19%
21 periods · Return correlation when both series rose
Both Falling
+15%
31 periods · Return correlation when both series fell
Diverging
-76%
182 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
13,237
A: 35 / B: 13202
Series A
ICE BofA BBB US Corporate Index Option-Adjusted Spread
BAMLC0A4CBBB
FRED · 785 raw → 785 prepared
Series B
NASDAQ Composite
NASDAQCOM
FRED · 13,952 raw → 13,952 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
-15060.1926
Linear regression slope.
Intercept
36298.4669
Linear regression intercept.
Saved last month · ID: fred-bamlc0a4cbbb_fred-nasdaqcom_daily_5y