CME made its Bitcoin Friday futures eligible for Basis Trade at Index Close transactions on trade date October 28, 2024, adding a mechanism for trading the difference between the weekly futures contract and a regulated bitcoin reference rate published at 4:00 p.m. New York time.
The change mattered because it connected CME’s smallest and shortest-dated bitcoin futures more directly to the benchmark window used by institutional market participants during the U.S. trading day. It did not create a new cryptocurrency, spot exchange or exchange-traded fund. It expanded the trading methods available for an existing cash-settled futures contract on a regulated derivatives venue.
What CME activated
CME’s October 10 special executive report said the exchange would enable Basis Trade at Index Close, or BTIC, for Bitcoin Friday futures effective October 27 for the October 28 trade date. The transaction code was BFB, and the underlying futures code was BFF.
A BTIC order expresses a price as a spread, or basis, relative to the CME CF Bitcoin Reference Rate New York Variant. The final futures price is assigned using that benchmark when it is published. Under CME Rule 45106, a transaction made before the benchmark’s publication refers to the current trading day’s index value; one made afterward refers to the next trading day’s value.
The permissible basis increment was $1 per bitcoin, equivalent to $0.02 for one contract. BTIC block trades required at least 25 contracts and a 15-minute reporting window. Those specifications describe contract mechanics, not evidence of October 28 trading volume. The reviewed records establish eligibility and rules but do not establish how many BTIC transactions were executed on the first trade date.
A smaller weekly instrument
Bitcoin Friday futures had entered trading only on September 30, 2024. Each contract represented 0.02 bitcoin, or one-fiftieth of a bitcoin, and settled in cash to the same 4:00 p.m. New York benchmark. CME listed the nearest two Friday expirations, giving market participants a shorter-duration alternative to its larger bitcoin futures.
Adding BTIC made it possible to negotiate exposure specifically around the difference between the futures price and the benchmark close. In practical terms, that could support hedging, relative-value trading and execution aligned with the U.S. institutional day. It did not remove basis risk, guarantee liquidity or ensure that a position would track any particular spot exchange.
The CME rule filing appeared in the Commodity Futures Trading Commission’s designated-contract-market system as certified on October 23. That status should not be described as the CFTC endorsing bitcoin or guaranteeing the contract. CME submitted the change through the self-certification process under CFTC Regulation 40.6 and represented that the amendments complied with the Commodity Exchange Act and applicable regulations.
Bitcoin approached $70,000
The market backdrop made the timing notable. A Grayscale Bitcoin Mini Trust filing later recorded bitcoin’s fair value at $69,616.92 as of the close of business on October 28, calculated under the trust’s accounting policy. Separately, The Block’s contemporaneous price page reported bitcoin above $70,100 at 22:10 UTC before it retreated to roughly $69,800 around publication time.
These measurements are not interchangeable. The trust figure used its disclosed valuation policy, while The Block reported an intraday observation from its own price dataset. Crypto trades continuously without a single global closing auction, so neither number should be presented as a universal October 28 close. The records also do not show that CME’s BTIC activation caused the price move.
Why the development mattered
The central development on October 28 was infrastructural: a regulated U.S. derivatives exchange gave traders another way to manage the relationship between weekly bitcoin futures and a spot-market-derived reference rate. The combination of a 0.02-bitcoin contract, weekly expiration and closing-index basis execution lowered the notional scale and shortened the time horizon available within CME’s bitcoin suite.
That was evidence of increasingly specialized institutional market structure, not proof that bitcoin had become stable or universally adopted. The first questions left open were operational ones: initial BTIC volume, bid-ask spreads, open interest and whether liquidity became durable beyond the launch date.
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