Arbitrum (ARB) has recently experienced a surge in bullish sentiment, driven by a significant development involving Robinhood. In the past 24 hours, ARB gained more than 6%, climbing to approximately $0.3412, and over the past week, the token has recorded a 20% gain. This positive momentum comes on the heels of Robinhood’s statement that it is building its own Layer 2 blockchain infrastructure on the Arbitrum network. The decision marks a critical turning point, both for the Arbitrum ecosystem and for broader market confidence in Layer 2 solutions.

Robinhood’s entrance into the Arbitrum ecosystem is particularly impactful due to its vast user base of over 14 million retail investors. As part of its new Web3 initiatives, Robinhood is enabling users to access tokenized assets such as U.S. stocks and ETFs built directly on the Arbitrum network. This level of institutional backing reinforces the long-term value proposition of Arbitrum and has helped position ARB as a leading altcoin heading into the second half of 2025.

Technically, ARB is showing signs of a potential trend reversal. After months of trading in a falling trend marked by lower highs and lower lows, ARB has found consistent support around the $0.267 level. The token has bounced from this area twice this year, reinforcing it as a key demand zone. On the daily chart, ARB has broken out of its macro downtrend and is now in the process of retesting the former resistance level as new support. Momentum indicators such as the MACD and RSI suggest that bullish pressure is building. The MACD is on the verge of a bullish crossover, and the RSI has formed a positive divergence, both of which are historically reliable indicators of a short-term rally.

The mid-term outlook for ARB appears favorable. If current momentum holds, the token could retest and possibly break above resistance levels around $0.315 to $0.322. Should a clean breakout occur, ARB could rally toward the $0.47 mark in the coming weeks. This price level aligns with technical projections based on the recent breakout pattern and strengthening investor sentiment. The altcoin has not only managed to decouple from weaker performing assets but has also become a leader among Ethereum-based Layer 2 solutions.

Robinhood’s involvement has provided ARB with a fundamental catalyst, beyond typical market movements. Earlier this year, when Robinhood first listed ARB, the token spiked over 12% in a single day. This shows that the market takes cues from Robinhood’s support, especially given its growing role in the tokenized asset sector. The company’s expanding presence in Web3 services may translate to deeper liquidity and broader exposure for ARB, further reinforcing its bullish case.

Still, some headwinds remain. One of the major challenges facing Arbitrum is token dilution. Over the past year, the circulating supply of ARB has nearly tripled, largely due to vesting schedules and ecosystem incentives. While the platform’s total value locked (TVL) remains high, increased supply can mute price rallies unless matched by strong demand. Moreover, regulatory uncertainties around Robinhood’s tokenized offerings could delay some of the expected network effects, especially if scrutiny intensifies in certain jurisdictions.

Despite these concerns, investor sentiment appears resilient. Community discussions suggest cautious optimism, with many traders identifying $0.267 as a solid accumulation zone. If Robinhood continues to deliver on its Web3 strategy and maintains momentum, ARB could see another wave of accumulation, particularly if broader market conditions remain favorable through the anticipated altseason of 2025.

In conclusion, Arbitrum’s price movement is being shaped by a powerful combination of technical strength and institutional validation. The partnership with Robinhood has introduced a wave of bullish sentiment, while technical indicators signal a breakout is in progress. If buying volume continues to rise and the $0.32 resistance is overcome, ARB may be on track to reach $0.47 in the medium term. While dilution and regulation remain risks, the current trajectory suggests that Arbitrum is well positioned to capitalize on growing demand for scalable Ethereum-based solutions.