Arbitrum news today is centered on the network’s rollout of Priority Gas Auctions (PGA) and Fast Feed, two features announced on September 24, 2026, that are designed to improve transaction ordering, speed and efficiency across Arbitrum. The market response has remained volatile. ARB was priced at $0.2234, up +2.11% over 24 hours as of September 26, 2026, at 02:08 UTC. The token has gained +3.87% over seven days and +140.80% over 30 days, although it remains 90.65% below its all-time high of $2.39. Arbitrum’s market capitalization stood at $1.52B, ranking it #76, while 24-hour trading volume reached $451.49M.