These move together about 63% of the time
Very strong positive
Strong enough to use as a signal — read the stability and regime notes below before relying on it.
Broadcom is one of the largest semiconductor companies in the world and has also expanded into infrastructure software. Its semiconductors primarily serve computing and networking, with custom AI accelerators now accounting for the bulk of the business. It is primarily a fabless designer, but holds some manufacturing in-house, such as for its best-of-breed film bulk acoustic resonator filters that sell into the Apple iPhone. In software, it sells virtualization, infrastructure, and security software to large enterprises, financial institutions, and governments. Broadcom is the product of consolidation. Its businesses are an amalgamation of former companies like legacy Broadcom and Avago Tech
Market cap 2T · 33,000 employees
Robinhood is a diversified financial services provider best known for its retail brokerage platform, which historically caters to a young, risk-seeking clientele that trades heavily on margin and in higher-risk asset classes like options, futures, cryptocurrencies, and more recently, in prediction markets. As those customers' financial needs have begun to mature, Robinhood has rolled out a suite of more conventional products, from retirement accounts to high-yield cash sweep accounts to nascent advisory services (Robinhood Strategies). With $322 billion in customer assets and 27 million active accounts at year-end 2025, the firm has emerged as a significant player in the large and quickly gr
What to Watch
Holds across regimes
Correlation is similar when markets rise (+48%) and fall (+52%) — reliable in both directions.
Regime-dependent
The correlation has flipped sign across time windows — not reliable as a standalone signal.
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
+89%
No shift — both series at their actual dates.
1,194 overlapping points at this shift
Time series with Robinhood Markets, Inc. Class A Common Stock 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
+89%
Pearson correlation
95% CI
+87% → +90%
Likely range
R²
78.8%
Variance explained
Trend agreement
62.7%
Same-direction moves
Significance
p < 0.001
Statistical confidence
Data points
1,194
Deep
Pipeline
Pipeline Summary
1,194 paired data points survived the daily window.
Raw input
1,255
1,194
Normalized
1,255
1,194
Prepared
1,255
1,194
Aligned
1,194
1,194
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.
Market cap 75.6B · 2,900 employees
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
+48%
97 periods · Return correlation when both series rose
Both Falling
+52%
88 periods · Return correlation when both series fell
Diverging
-33%
64 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
61
A: 61 / B: 0
Series A
Broadcom Inc. Common Stock
AVGO
Market cap 2T · 33,000 employees
Stock · 1,255 raw → 1,255 prepared
Series B
Robinhood Markets, Inc. Class A Common Stock
HOOD
Market cap 75.6B · 2,900 employees
Stock · 1,194 raw → 1,194 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
0.3125
Linear regression slope.
Intercept
-9.1654
Linear regression intercept.
Saved yesterday · ID: stock:avgo|stock:hood|5Y
HOOD
Robinhood Markets, Inc. Class A Common Stock