Coinbase’s US500 Futures Clear $100 Million—Now Comes the Real Test

By Isaac • August 29, 2026 7:15 pm •

Coinbase has an eye-catching first number for its new US500 futures contract: more than $100 million in 24-hour trading volume just one week after launch.

That is a strong opening for a product trying to pull one of crypto’s defining market mechanics into regulated U.S. equity-index trading. It is not yet proof that traders will stick around.

CryptoSlate put the milestone in useful context. Brian Armstrong’s August 28 chart showed trailing 24-hour matched volume reaching an annotated $104 million around August 25 and 26. Roughly 15 hours after his post, however, Coinbase’s product page showed $7.22 million in 24-hour volume and $3.01 million in open interest.

Those figures measure different rolling windows, so the later snapshot