What is a spot ETF?

An exchange-traded fund holds assets and issues shares that trade on a stock exchange like any share. Large market participants create and redeem shares in blocks, which arbitrages the share price towards the value of the holdings. A spot ETF holds the asset itself. A futures ETF holds contracts instead, which introduces roll costs and tracking error.

Why it mattered so much for bitcoin

Before January 2024, a large amount of money was structurally unable to buy bitcoin. An investment adviser with a fiduciary duty, a pension fund with an investment policy, a wealth platform with a compliance framework: none could hold an asset with no recognised custodian, no ticker and no way to appear on a client statement.

The ETF did not change bitcoin. It changed who is permitted to own it, and the barrier had been plumbing all along.

What you get

Exposure to the price, in your existing brokerage or pension account, with the custody handled by a regulated custodian, on a statement your accountant understands. Daily published flows, which for the first time give a clean public measure of institutional demand.

What you give up

The coins. You cannot send an ETF share, spend it, use it as collateral outside the traditional system or hold it yourself. It trades only during stock exchange hours while the underlying trades continuously, so weekend moves appear as a gap. And you pay an annual management fee, which compounds against you over long holding periods.

If your reason for holding bitcoin is that you want an asset nobody can freeze, an ETF delivers none of it. If your reason is exposure to a price, it delivers all of it with less operational risk. Both are coherent; confusing them causes most of the argument.

Things worth checking

The management fee, the custodian, whether the fund publishes holdings daily, and for funds on staking assets, whether the yield is passed through or kept.