CryptoSlate
Coinbase's US500 futures contract crossed a $100 million matched-volume mark within days of launch, with Brian Armstrong's Aug. 28 chart tracking trailing 24-hour turnover at roughly $104 million near Aug. 25-26. By the time the post went live, the product page showed a much cooler reading: $7.22 million in 24-hour volume against $3.01 million in open interest, with funding at a slightly negative 0.0001%. The product itself explains why the experiment reaches beyond a launch statistic: Coinbase imported the crypto-style hourly funding mechanism and placed it inside a five-year, cash-settled equity-index future governed by US market rules and cleared through Nodal Clear.
Why it matters
This is the structural story behind the headline number. Coinbase's July 30 self-certification with the CFTC defines US500 as a long-dated, USD-settled equity-index future rather than a perpetual, with a December 2030 expiry on the first contract. The funding-rate mechanic that lets crypto perpetuals track spot still applies: Coinbase Derivatives calculates the rate hourly from the futures-spot basis and aggregates the payments at midday and end-of-day margin runs. Holders receive cash-settled price exposure through the futures contract rather than delivery of component shares, so positions carry no ownership or shareholder voting rights in the underlying companies. The contract follows a regulated market calendar, with trading running Sunday at 8 p.m. ET to Friday at 5 p.m. ET, market holidays excluded, and exchange position limits, price limits, and market-wide circuit breakers all in force. The benchmark is the MarketVector Top 500 US Profitable Companies Continuous Index (MVPUSC), a 501-component index that began on Aug. 7, distinct from the S&P 500 despite the similar naming.
Market impact
The volume question is whether traders keep using the contract after the launch burst. Matched turnover at $104M was about 2.4 times the later $7.22M reading, but the two numbers measure different things: the first is rolling volume, the second captures both volume and a single $3.01M open-interest snapshot.
Frequently asked questions
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What is the Coinbase US500 futures contract?
A five-year, USD-settled equity-index future cleared through Nodal Clear under CFTC oversight, tracking the MarketVector Top 500 US Profitable Companies Continuous Index (MVPUSC), with cash settlement and a December 2030 expiry on the first contract.
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How does the funding rate work in US500 futures?
Coinbase Derivatives calculates the rate hourly from the difference between futures and spot marks. The clearing house aggregates those hourly payments at midday and end-of-day margin runs and applies them as cash adjustments, the same funding mechanic used in crypto perpetuals.
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Why did volume drop from $104M to $7.22M?
The two numbers track different windows. The $104M figure was trailing 24-hour matched volume near Aug. 25-26, while the $7.22M reading came from the product page about 15 hours after Armstrong posted. Matched turnover can also include repeated trading with the same capital, so the lower reading does not reverse the…
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Is the US500 contract 24/7 like crypto perpetuals?
No. US500 follows a regulated market calendar with sessions running Sunday 8 p.m. ET to Friday 5 p.m. ET, market holidays excluded, and operates under exchange position limits, price limits, and market-wide circuit breakers.
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How is the MVPUSC index different from the S&P 500?
MVPUSC is the MarketVector Top 500 US Profitable Companies Continuous Index, which began Aug. 7 and listed 501 components at the Aug. 28 reading. It uses a separate provider and methodology, so traders receive exposure to MarketVector's proprietary benchmark rather than the S&P 500.
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