Bitcoin Portfolio Backtester
What would your portfolio have returned with Bitcoin? Compare any allocation with and without BTC using real historical data.
Growth of $10,000
With vs without 5% Bitcoin (quarterly rebalancing)
Full Comparison
| Metric | With BTC | Without BTC |
|---|---|---|
| Total Return | 293.2% | 152.7% |
| CAGR | 12.5% | 8.3% |
| Annualized Volatility | 11.1% | 10.4% |
| Sharpe Ratio | 0.76 | 0.41 |
| Max Drawdown | -23.5% | -20.6% |
| Final Value ($10k) | $39,319 | $25,267 |
Key Takeaway
Adding 5% Bitcoin to this portfolio would have boosted CAGR from 8.3% to 12.5% — but increased max drawdown from -20.6% to -23.5%.
The Sharpe ratio improved from 0.41 to 0.76, meaning the extra return more than compensated for the added risk.
Try different allocations and start dates above. Want to find the mathematically optimal Bitcoin allocation? Use the Bitcoin Allocation Calculator.
Methodology
Assets: US Stocks = SPY (S&P 500 ETF), Bonds = AGG (iShares Core US Aggregate Bond ETF), Gold = GC=F (gold futures), Bitcoin = BTC-USD. All weekly adjusted closing prices.
Rebalancing: Weights drift between rebalance dates based on actual asset returns. Rebalancing resets to target weights at the specified frequency. “None” is pure buy-and-hold with no rebalancing.
“Without BTC” comparison: The same portfolio with the Bitcoin allocation removed and remaining weights scaled proportionally. E.g., 50/30/10/10 becomes 55.6/33.3/11.1/0.
Limitations: Past performance does not predict future results. This backtest does not account for transaction costs, taxes, or slippage.
Go Beyond Backtesting
Portfolio Lab uses forward-looking assumptions from J.P. Morgan to optimize your allocation across 27 asset classes — including Bitcoin.
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