[Binance to Launch OPENAIUSDT Pre-IPO Perpetual Contract on May 26, 2026] Odaily Planet Daily reports, according to an official announcement, Binance will launch the OPENAIUSDT-margined Pre-IPO perpetual contract on May 26, 2026, at 08:30 (UTC), supporting up to 20x leverage. This contract is based on OpenAI Group PBC (OPENAI) stock, with an estimated total of 1 billion shares. Trading will be available 24/7, and the funding rate during the Pre-IPO phase will be fixed at 0.005% every 8 hours, after which it will switch to the standard mechanism.