What if?

What if I invested?
A calculator for real questions.

Specific historical questions — $500/month in the S&P 500 since 2015, Bitcoin since 2017, gold vs the index. Each URL runs a real calculation. Prefer euros or pounds? See EUR / GBP. Trading-story counterfactuals: The Boring Alternative.

Featured nested calculators

Start with a question

S&P 500

All S&P 500 amount × year pages →

NASDAQ 100

All NASDAQ amount × year pages →

Bitcoin

All Bitcoin amount × year pages →

Gold

All Gold amount × year pages →

Europe

All Europe amount × year pages →

MSCI World

All World amount × year pages →