Bar chart showing how an 80% crypto crash affects a total portfolio at 1%, 5%, 10% and 20% allocations
"How much should I invest in crypto?" is probably the most common question beginners ask, and nobody can answer it for you with a single number. Anyone who gives you one without knowing your finances is guessing.
What can be explained is how to think about it: which money is off-limits, how to measure the damage of a bad outcome before you invest, and a simple position-sizing formula that limits how much you can lose on one trade. Every example below is calculated so you can check it.
Last updated: November 2026.
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