A different timeline.
Change the date and the amount. See how three historical price paths compare.
Historical prices and results are in USD.
Change the amount. Travel through time.
Data & assumptions
Historical monthly samples ending 2026-09-30, downloaded from Yahoo Finance on 2026-10-03. Bitcoin uses BTC-USD; MSCI World uses the iShares MSCI World ETF (URTH); S&P 500 uses SPY. ETF prices are proxies, not the index levels. The last common observed trading date in each calendar month is used; market closing times differ.
An initial purchase occurs at the selected close. Additional contributions purchase fractional units at each following sampled monthly close. Distributions are not reinvested or counted; this is not total return. Fund expenses are reflected in prices. Trading fees, spreads, taxes, inflation and FX conversion are excluded. Past performance does not predict future results.
Bitcoin: largest observed monthly price drawdown in this window -73.3%. Intra-month drawdowns may be larger.
MSCI World: largest observed monthly price drawdown in this window -26.1%. Intra-month drawdowns may be larger.
S&P 500: largest observed monthly price drawdown in this window -24.8%. Intra-month drawdowns may be larger.
See the assumptions. Understand the difference.
The chart compares monthly price observations, not a prediction or an investment recommendation. ETF price history differs from index total returns. Recurring purchases occur at each sampled close; the model permits fractional units and does not include trading costs.