Aero Launches October 21 Across Seven EVM Chains Including Arbitrum
Arbitrum (ARB)
Editor:
Eugene Serbin
Cryptobriefing.com reports that Aero, the unified liquidity protocol merging Aerodrome and Velodrome, will launch on October 21, 2026, across seven EVM-compatible chains. The deployment includes Base, Ethereum Mainnet, OP Mainnet, Arc, Ink, Robinhood Chain, and Arbitrum. These predecessor protocols already accounted for roughly 17% of all EVM spot trading volume prior to the merger.
The inclusion of Robinhood Chain, an Arbitrum Orbit network launched on July 1, 2026, introduces tokenized stock products to the ecosystem. Aero utilizes Dromos Labs' MetaDEX03 technology to facilitate cross-chain swaps via a feature called Metaswaps. A single AERO token replaces the previous separate governance structures, with the protocol promising to distribute 100% of exchange revenue to stakers.
The economic model features Predictive Allocation, allowing sAERO holders to direct rewards to specific liquidity pools. Additionally, the protocol enables permissionless token launches without requiring team approval. Aero Lite has already deployed on Arc following a public audit contest that identified zero major issues.
How the market reacted
Whalio's own Binance spot order flow for ARB, measured when this story was written up on 26 September 2026. Not the outlet's figures.
ARB is trading at $0.2267 with a 24-hour spot volume of $34,270,904. The 24-hour buy ratio stands at 49.3%, indicating a near-even split between buyers and sellers over the full day. Short-term pressure shows a 1-hour buy ratio of 47.5% and a 4-hour ratio of 49.6%, suggesting buying interest is slightly weaker in the immediate hour but stabilizing over the four-hour window. Volume deltas are negative across all timeframes, with -$38,808 in the last hour and -$456,658 over 24 hours, meaning sell volume has exceeded buy volume. The Cumulative Volume Delta (CVD) closed at -$353,165, confirming that sellers have been more aggressive than buyers recently. Net buying occurred for only 12 of the last 24 hours, indicating a lack of sustained upward momentum.
The latest daily buy ratio of 52.1% sits at the 85th percentile of the last 323 days, against a median of 49.6% - stronger buying than most days.
Was that an ordinary day?
The same Binance spot measurements for ARB, averaged over the days leading up to the story.
Over the preceding week, the average buy ratio was 49.5%, which is 0.2 percentage points higher than the latest day's reading. This slight dip in buying pressure coincides with a volume level that is only 0.70 times the weekly average, showing significantly reduced activity. The price changed by +2.5% over the eight-day period, while the total volume delta reached -$1,921,538. Compared to the daily volume of $34,270,904, the weekly average suggests this is an unusually quiet day for ARB trading. Only two of the past seven days saw net buying, highlighting a generally cautious market sentiment leading up to the launch.