Arbitrum (ARB) experienced one of the most dramatic price increases in the cryptocurrency market today.
ARB, the 53rd cryptocurrency by market cap, has gained approximately 49% to $0.1972 in the past 24 hours. Although the intraday increase once exceeded 50%, the ARB price is still about 92% lower than the all-time high of $2.40 set on January 12, 2024.

The rapid rise of Robinhood Chain becomes the main catalyst
One of the main drivers of the sharp rise in ARB prices is the rapid growth of Robinhood Chain, which is built based on Robinhood's ARB technology. Robinhood Chain is an Ethereum Layer 2 network that will be launched on the main network on July 1, 2026, using the Arbitrum Orbit infrastructure. According to the Arbitrum Expansion Program, ARB-based chains operating outside of Arbitrum One and Nova are required to contribute 10% of their net agreement revenue to the Arbitrum ecosystem. According to the Arbitrum Foundation, in Robinhood Chain's first month of operation (July), the resulting licensing revenue of US$360,000 accounted for 35% of the Arbitrum DAO's total monthly revenue.
The recent acceleration of activity on Robinhood Chain further highlights the importance of this revenue model to Arbitrum. In early September, the network's daily transaction fees soared to millions of dollars, even exceeding the Ethereum Main Network and Coinbase's Base Network on some trading days. Robinhood Chain's decentralized exchange (DEX) trading volume also hit a record, reaching billions of dollars in 24 hours, which has increased investor interest in the ARB ecosystem.
"Stock Tokens" Products and the Ecological Economy Debate
A significant use case for Robinhood Chain is its "Stock Tokens" product. Issued by Robinhood Assets Limited, these tokens track the economic performance of U.S. stocks such as Nvidia, Apple and Alphabet. Although users are not provided with direct legal ownership of company stocks, these products are available in many non-U.S. countries.
The economic model between Arbitrum and Robinhood has also sparked a notable debate on social media between Solana and the founders of Arbitrum. Solana co-founder Anatoly Yakovenko pointed out that Robinhood Chain's 10% share of revenue paid to the Arbitrum ecosystem is enough to cover approximately four times the transaction fees on Solana, implying that if Robinhood chose Solana, it could provide users with significantly lower or even subsidized transaction costs.
Offchain Labs and ARB co-founder Steven Goldfeder responded to Yakovenko saying that Robinhood retains about 90% of the gas revenue on ARB's infrastructure, while on Solana it will not receive any revenue from basic network transaction fees. Goldfeder added that by choosing Arbitrum, Robinhood chose to "become a homeowner rather than a tenant."
In ARB's revenue sharing model, 8% of the 10% share is allocated to the Arbitrum DAO vault managed by ARB holders, and the other 2% is used for ecosystem development. As a result, continued growth in transaction volume and network revenue on Robinhood Chain, although not distributed directly to ARB token holders, is seen as an important factor in strengthening Arbitrum DAO revenue and ecosystem economy.
This article does not constitute investment advice.

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