TOOLS / BITCOIN ALLOCATION CALCULATOR

How much Bitcoin?

Add a Bitcoin sleeve to a conventional portfolio and watch what it does to return, volatility and Sharpe. The honest answer is usually smaller than the enthusiasts say and larger than the sceptics do.

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Your Current Portfolio

60%
30%
10%

Stocks = MSCI ACWI · Bonds = US Aggregate · Cash = Money Market

Optimal Bitcoin Allocation
20.0%
Sharpe ratio improves by 27.0% (0.268 → 0.341) with only 3.1pp more volatility

Side-by-Side Comparison

Metric0% BTC1% BTC2% BTC5% BTC10% BTC15% BTC20% BTC
Expected Return6.0%6.0%6.1%6.4%6.9%7.3%7.8%
Volatility10.6%10.7%10.7%10.9%11.6%12.5%13.7%
Sharpe Ratio0.2680.2760.2830.3030.3250.3370.341
Est. Max Drawdown-26.6%-26.6%-26.7%-27.3%-28.9%-31.3%-34.2%

Max drawdown estimated as 2.5× annual volatility (95th percentile approximation). Highlighted column has the best Sharpe ratio.

Risk-Return Frontier

Each point represents a different Bitcoin allocation (0-20%). The teal dot marks the optimal Sharpe ratio.

Key Insight: Adding 20.0% Bitcoin to your 60/30/10 portfolio improves the Sharpe ratio by 27.0% while increasing volatility by only 3.1 percentage points. Bitcoin's low correlation to traditional assets (≤0.35 to equities) provides meaningful diversification even at small allocations.

Methodology

Expected returns and correlations from J.P. Morgan 2026 Long-Term Capital Market Assumptions (30th edition). Bitcoin assumptions are Portfolio Lab estimates (15% geometric return, 42.5% volatility) informed by published institutional research. Read our methodology.

Sharpe Ratio = (Portfolio Return − Risk-Free Rate) / Portfolio Volatility. Risk-free rate: 3.1% (US Cash, JPM LTCMA).

Max drawdown is a statistical estimate (2.5× annual volatility), not a historical backtest. Actual drawdowns can be larger.

This tool uses forward-looking assumptions, not historical data. Past performance does not guarantee future results.

Read the full analysis: How Much Bitcoin Should Be in Your Portfolio?

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Questions this page answers

How much Bitcoin should I have in my portfolio?

Most institutional research converges on 5-15% for investors with a long time horizon and moderate-to-high risk tolerance. BlackRock suggests 1-2% as a starting point. VanEck's modeling points to 5-10%. J.P. Morgan includes Bitcoin in their alternatives basket. The right amount depends on your time horizon, risk tolerance, and conviction level.

Does Bitcoin improve portfolio diversification?

Yes. Bitcoin's correlation with global equities is approximately 0.32 and its correlation with bonds is near zero (J.P. Morgan 2026 estimates). Adding a small Bitcoin allocation (5-10%) to a traditional portfolio increases expected return while adding less portfolio-level risk than the standalone volatility would suggest, because the returns are largely uncorrelated.

What is the optimal Bitcoin allocation?

Using mean-variance optimization on the default forward-looking assumptions (15% expected return, 42.5% volatility for Bitcoin), the Sharpe-ratio-maximizing Bitcoin allocation is typically in the 5-15% range depending on constraints. Without constraints, optimizers suggest even higher allocations, but practical considerations (volatility tolerance, regulatory risk, model uncertainty) justify keeping it below 15% for most investors.

Keep reading

How much Bitcoin should be in your portfolio? →
RESEARCH · EVERY INSTITUTION'S PUBLISHED NUMBER
How we set Bitcoin return assumptions →
RESEARCH · 15% RETURN, 42.5% VOLATILITY, AND WHY

A slider moves one holding. The optimizer sizes Bitcoin against every other asset at once, under whatever caps you set.

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