The market calendar for June 22 to June 28 brings together macroeconomic releases, technology earnings, digital finance policy, crypto exchange updates and blockchain infrastructure upgrades. The previous week, the United States and Iran signed a preliminary agreement, creating room to extend the ceasefire, resume shipping through the Strait of Hormuz and advance follow-up nuclear talks. According to the source article, investor expectations for further easing in the Middle East increased after those developments.

June 22: Korea’s financial AI rules and S&P 500 inclusion
On June 18, South Korea’s Financial Services Commission released a revised version of its Guidelines on Artificial Intelligence in the Financial Sector. The guidelines take effect on June 22 and apply across the financial industry as well as to FinTech companies. They cover financial companies that introduce AI and FinTech firms whose services affect financial transactions. The revised framework sets out seven principles: governance, legality, auxiliary role, trustworthiness, financial stability, duty of good faith and security.

The Korean government also plans to ease some cybersecurity separation requirements applied to certain financial institutions, improve rules around personal credit information consent, data anonymization and data combination, and study responsibility and authority rules for AI Agents as well as dedicated AI supervision. On the same day that the guidelines come into force, South Korea’s Financial Supervisory Service will release an AI risk management framework for the financial sector, while the Korea Financial Security Institute will publish AI security guidelines for the financial sector.
Also on June 22, S&P Dow Jones Indices announced that Marvell Technology (MRVL) will officially be added to the S&P 500 Index. The source article said Marvell’s US shares rose more than 7% in pre-market trading in connection with the announcement. Flex also rose after being included in the S&P 500 Index.

June 24 to June 25: Micron earnings, US data and a digital finance roundtable
After the US stock market closes on June 24, memory-chip company Micron Technology will release its latest earnings results and guidance. At 20:30 Beijing time on June 25, the United States will publish a set of economic indicators, including initial jobless claims for the week ending June 20, the year-on-year rate of the US core PCE price index for May, the monthly rate of US personal spending for May, the final annualized quarter-on-quarter reading of US first-quarter real GDP, the preliminary reading of US first-quarter real personal consumption expenditures, the final reading of US first-quarter real personal consumption expenditures, the final annualized quarter-on-quarter reading of the US first-quarter core PCE price index, the monthly rate of the US core PCE price index for May and the monthly rate of US durable goods orders for May.
On the same date, US Representative William Timmons, a Republican and chair of the House Military and Foreign Affairs Subcommittee, will hold a roundtable focused on digital assets and cryptocurrencies. The discussion will examine how these tools can help individuals protect wealth, access aid and maintain economic autonomy. The roundtable will also cover the intersection of digital finance and US national security interests, as well as how the United States can maintain competitiveness in digital finance by promoting financial innovation.

Binance announced that at 05:00 UTC on June 25, 2026, it will adjust the minimum price movement units for a number of spot trading pairs. The list includes BAND/USDT, BICO/USDT, BOME/TRY, BOME/USDC, BOME/USDT, C98/USDT, CATI/TRY, CATI/USDC, CATI/USDT, DOGS/TRY, DOGS/USDC, DOGS/USDT, DYM/TRY, DYM/USDC, DYM/USDT, EDEN/TRY, EDEN/USDC, EDEN/USDT, GALA/USDC, GALA/USDT, KGST/U, KGST/USDT, LSK/USDT, ME/TRY, ME/USDC, ME/USDT, PYTH/USDC, PYTH/USDT, RAY/USDC, RAY/USDT, SYN/USDC, SYN/USDT, USDC/USD, USDT/USD, XPL/TRY, XPL/USDC and XPL/USDT. Binance said the adjustment is intended to increase market liquidity and improve the trading experience. Existing orders will not be affected, while users need to adjust their trading bots accordingly.

June 26: Base’s Beryl mainnet hard fork and QKC deposit and withdrawal changes
Base, the Layer 2 network under Coinbase, is preparing to roll out the Beryl hard fork upgrade. The upgrade introduces the B20 native token standard, shortens the final confirmation period for single-proof withdrawals from seven days to five days and upgrades to Reth V2, which reduces disk usage by 50% and increases throughput by 33%. Beryl is scheduled to activate on the Sepolia testnet at 2:00 a.m. UTC+8 on June 19 and on the mainnet at 2:00 a.m. UTC+8 on June 26.
B20 is Base’s native token standard. It is an ERC-20-compatible token implemented through Rust precompiles and is designed for issuers of stablecoins, real-world assets and long-tail tokens. Its built-in compliance toolkit includes transfer policies, freezing and seizure, role-based access control, memos and supply caps. On withdrawals, the final ruling window for the single-proof dispute resolution process will be reduced from seven days to five days. The dual-proof fast path introduced by Azul, using TEE plus ZK, remains at one day.

Binance also announced that at 16:00 East Asia time on June 26, 2026, it will stop supporting deposits and withdrawals of QuarkChain (QKC) tokens through the BNBSmartChain network. After that time, deposits made through the network will not be credited to user accounts and may result in asset losses. Users can continue to deposit and withdraw QKC through other networks supported by Binance.
June 28 has no listed items; SpaceX bond plan has no fixed date
The June 28 section of the source calendar lists no scheduled items. Under items without a specific time, people familiar with the matter said the investment banks working with SpaceX (SPCX.O) may begin investor calls as soon as next week to discuss a bond issuance plan after the company completes its record IPO. The people said the bond sale is expected to be at least $20 billion, and investor communication could start as early as Monday. The plan and timing may still change.

SpaceX plans its first issuance of investment-grade US dollar bonds. The proceeds will be used to refinance a $20 billion bridge loan that matures in September 2027. According to the IPO filing SpaceX submitted to the US Securities and Exchange Commission, as of March 31 the bridge loan made up the largest portion of the company’s $29.1 billion in long-term debt. The people familiar with the matter said Bank of America, Citi, JPMorgan Chase, Goldman Sachs and Morgan Stanley jointly provided the bridge loan and will lead the underwriting of the bond issuance.

