According to @binance, the exchange is celebrating a 15 million-strong Binance community in an X post dated Nov 21, 2025 (source: Binance on X, Nov 21, 2025). The post provides no details on trading promotions, product updates, or BNB token changes, indicating no direct, verifiable catalyst for BNB or exchange volumes from this announcement alone (source: Binance on X, Nov 21, 2025).