According to the source, Coinbase is preparing to list BNB based on an updated asset roadmap, though an official confirmation is still required before trading can begin, source: source provided; Coinbase Asset Listing Roadmap. Coinbase typically confirms listings and start times via the Coinbase blog and the Coinbase Assets account on X prior to order books opening, source: Coinbase official blog; Coinbase Assets on X. Historical Coinbase listing announcements have coincided with short-term volume spikes and heightened volatility for newly added tokens, source: Kaiko Research 2023 Coinbase listings analysis. For trading, monitor the Coinbase Asset Listing Roadmap for a coming soon tag, the Coinbase blog for a formal will add support for BNB post, and Coinbase Advanced Trading for creation of BNB-USD and BNB-USDT markets, source: Coinbase Asset Listing Roadmap; Coinbase official blog; Coinbase Advanced Trading markets. Also watch BNB derivatives funding rates and open interest around any announcement window to gauge positioning and potential squeezes, source: Kaiko Research on funding rates and market microstructure.