According to Gate News bot, and the official Gate announcement on December 9, 2025
Gate will launch HumidiFi (WET) perpetual contract live trading at 23:10 (UTC+8) on December 9, 2025, supporting USDT settlement with leverage from 1x to 20x. At the same time, Gate Perp DEX will also launch the WET/USDT perpetual contract.
Gate will also add WET unified account lending and isolated margin trading pairs at the same time, along with the launch of WET Earn, flexible collateral lending, and fixed-term collateral lending features. In addition, Gate will open WET Flash Exchange and Auto-Invest functions 1 hour after WET spot listing, supporting multiple auto-invest cycles. Copy trading and trading bot services will be available within 1 hour after the launch of the above perpetual contracts.