SeriesMagCorrOverlapThrough
These move together about 89% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
State Street SPDR S&P 500 ETF Trust
SPY
Invesco S&P 500 Quality ETF
SPHQ
What to Watch
Unusual right now
Recent correlation (+95%) is 2.7σ from the long-run average of +99% — pair is behaving differently than usual.
Holds across regimes
Correlation is similar when markets rise (+91%) and fall (+94%) — reliable in both directions.
Rock solid
Correlation barely moves across time windows — treat this as a reliable relationship.
Time Series
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
+99%
No shift — both series at their actual dates.
1,255 overlapping points at this shift
Time series with Invesco S&P 500 Quality ETF at original dates
Indexed to 100 at start
Deep Dive
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
Corr
+99%
Pearson correlation
95% CI
+99% → +99%
Likely range
R²
98.6%
Variance explained
Trend agreement
89.2%
Same-direction moves
Significance
p < 0.001
Statistical confidence
Data points
1,255
Deep
Pipeline
Pipeline Summary
1,255 paired data points survived the daily window.
Raw input
1,255
1,255
Normalized
1,255
1,255
Prepared
1,255
1,255
Aligned
1,255
1,255
Invalid removed
Explore
The strongest positive and inverse pairs we’ve saved for each side of this comparison — good jumping-off points if this result raised a question.
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
+91%
125 periods · Return correlation when both series rose
Both Falling
+94%
105 periods · Return correlation when both series fell
Diverging
-39%
19 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
State Street SPDR S&P 500 ETF Trust
SPY
Stock · 1,255 raw → 1,255 prepared
Series B
Invesco S&P 500 Quality ETF
SPHQ
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.1143
Linear regression slope.
Intercept
-0.0675
Linear regression intercept.
Saved 1 hour ago · ID: stock-sphq_stock-spy_5y
SPHQ
Invesco S&P 500 Quality ETF
Strongest positive