dYdX has reported a trading volume of $16.1 billion for the fourth quarter, reflecting strong bullish momentum as indicated by the fear and greed index. The decentralized exchange has also launched Solana spot markets specifically for U.S. users, expanding its offerings in the region. In addition to these developments, dYdX has approved Surge Season 9, which includes a 50% fee rebate and $1 million in incentives to attract more traders. The protocol has also partnered with BONK and reported that 273 million DYDX tokens were staked by mid-December, highlighting increased user engagement and confidence in the platform.