₿₿₿Bitcoin Horizon
Dashboard
Skip to content
  1. Home
  2. ›
  3. Glossary

Correlation

A statistical measure ranging from -1 to +1 that describes how closely two assets move together. Bitcoin's low correlation with traditional assets makes it a valuable portfolio diversifier.

Definition

A statistical measure ranging from -1 to +1 that describes how closely two assets move together. Bitcoin's low correlation with traditional assets makes it a valuable portfolio diversifier.

Explanation

In finance, correlation measures the degree to which two assets' prices move in tandem. A correlation of +1 means they move perfectly together, -1 means they move perfectly opposite, and 0 means no linear relationship. For portfolio construction, low or negative correlation between holdings is the foundation of diversification — it allows one asset's gains to offset another's losses.

Bitcoin's correlation with traditional assets has been one of its most compelling portfolio characteristics. Over long periods, Bitcoin's correlation with the S&P 500 has averaged around 0.15-0.30, with gold around 0.10-0.20, and with bonds near zero or slightly negative. These low correlations mean that adding Bitcoin to a traditional portfolio can reduce overall portfolio risk even though Bitcoin itself is highly volatile — a counterintuitive but mathematically sound result from Modern Portfolio Theory.

However, correlations are not static. During market-wide crises (like the March 2020 COVID crash or the 2022 rate hike cycle), correlations between all risk assets tend to spike toward 1.0 as investors sell everything simultaneously. Bitcoin is not immune to these correlation spikes. Understanding that Bitcoin provides diversification benefits during normal markets but may correlate with equities during extreme stress is crucial for realistic portfolio expectations.

Key Takeaways

  • •Bitcoin's long-term correlation with equities is low (0.15-0.30), enhancing portfolio diversification
  • •Low correlation means Bitcoin can reduce total portfolio risk even though it is volatile
  • •Correlations spike during market crises — Bitcoin is not immune to risk-off sell-offs
  • •The diversification benefit is strongest during normal market conditions, not during panics

See It in Action

Explore real-time data and interactive charts related to Correlation on Bitcoin Horizon.

View Live Tool

Frequently Asked Questions

Bitcoin's correlation with the S&P 500 has averaged roughly 0.15-0.30 over long periods, which is considered low. However, this average masks significant variation — during calm markets, Bitcoin often moves independently, while during sharp sell-offs, correlations can spike above 0.70 as all risk assets decline together. The relationship is also time-varying, with correlation generally increasing since 2020 as institutional adoption has grown.

Yes, historically Bitcoin has been an excellent diversifier due to its low correlation with stocks, bonds, and gold. Research has consistently shown that adding a 1-5% Bitcoin allocation to a 60/40 portfolio improves risk-adjusted returns. The diversification benefit comes from Bitcoin's unique return drivers (halving cycle, adoption curve, monetary policy narrative) that are independent of traditional economic factors.

Bitcoin's correlation with gold is low, typically ranging from 0.05 to 0.20. While both are sometimes called "alternative stores of value," they respond to different catalysts. Gold is driven by real interest rates, central bank buying, and geopolitical fear. Bitcoin is driven by its halving cycle, adoption trends, and crypto-specific sentiment. The low correlation means holding both provides better diversification than holding either alone.

Related Terms

HODL
A misspelling of "hold" that became a Bitcoin meme and investment philosophy. It means holding Bitcoin long-term through volatility rather than trying to trade short-term price movements.
Sharpe Ratio
A measure of risk-adjusted return that calculates how much excess return an investment generates per unit of total volatility. A higher Sharpe Ratio indicates better compensation for the risk taken.
Sortino Ratio
A variation of the Sharpe Ratio that only penalizes downside volatility rather than total volatility. It provides a more accurate risk-adjusted measure for assets like Bitcoin that have asymmetric return distributions.
Max Drawdown
The largest peak-to-trough decline in an asset's price over a specific period. Bitcoin has historically experienced max drawdowns of 70-85% during bear markets, making it a critical risk metric for position sizing.
Risk-Adjusted Return
A metric that evaluates an investment's return relative to the amount of risk taken to achieve it. Bitcoin's risk-adjusted returns have historically outperformed most traditional assets over multi-year horizons despite higher absolute volatility.
Beta
A measure of an asset's sensitivity to market movements, where the market has a beta of 1.0. Bitcoin's beta relative to equities has been significantly above 1.0, indicating it amplifies broader market moves.

Related Content

If I Invested in Bitcoin
See what a Bitcoin investment in any year would be worth today
← Back to Glossary