Arbitrum (ARB) Skyrockets 46% on Robinhood Partnership Rumors—DeFi Summer Vibes Return

Rumors of a Robinhood listing sent Arbitrum's ARB token into orbit today—because nothing pumps a crypto like the faintest whiff of mainstream adoption.

The Layer 2 darling ripped past resistance levels as traders piled in, proving once again that in crypto, hope floats harder than actual fundamentals.

When exchanges play matchmaker, tokens win big. But will this partnership actually materialize—or is this just another 'buy the rumor, sell the news' setup? Only your portfolio manager (and their ulcer) knows for sure.

Fun fact: This 46% surge still leaves ARB 60% below its ATH. Because in crypto, even moon missions need refueling stops.

TLDR

• Arbitrum (ARB) surged nearly 46% to $0.38 before settling at $0.35 amid speculation of a Robinhood partnership
• Trading volume spiked over 450% to $658 million as rumors suggest Robinhood may use Arbitrum for EU-based U.S. equity trading
• Key executives from Robinhood, Arbitrum, and Ethereum will participate in a fireside chat at a Cannes event on Monday
• Technical analysis shows ARB approaching breakout from a falling wedge pattern with potential targets at $0.75 and $1
• On-chain data reveals increased daily active addresses and positive social sentiment shift supporting the bullish momentum

Arbitrum experienced a sharp price increase over the weekend as speculation mounted about a potential partnership with trading platform Robinhood Markets. The layer-2 ethereum token jumped nearly 46% to reach an intraday high of $0.38 before pulling back slightly to $0.35.

The price surge came alongside massive trading activity. Daily spot trading volume jumped over 450% in the past 24 hours to $658 million according to CoinGecko data. Derivatives activity also increased by 42% from the previous day.

ARB’s market capitalization climbed above $1.7 billion during the rally. This pushed the token ahead of competitors like Sky, Render, and SEI in the market cap rankings.

The speculation centers around reports that Robinhood is evaluating blockchain infrastructure for EU-based users to trade U.S. equities on-chain. Earlier reports from May suggested both Arbitrum and Solana were under consideration for this partnership.

Robinhood announced that its Crypto GM Johann Kerbrat and A.J. Warner, CSO of Offchain Labs, will join Ethereum co-founder Vitalik Buterin for a fireside chat on Monday. Offchain Labs is the organization that stewards Arbitrum ecosystem governance.

Vitalik’s in town.

Join us in Cannes for a fireside chat with our crypto GM, @JohannKerbrat, the founder of Ethereum, @VitalikButerin, and the CSO of @offchainlabs, @ajwarner90.

Tune in tomorrow at 7:45pm CEST on Robinhood X and YouTube.

— Robinhood (@RobinhoodApp) June 29, 2025

The event will take place at a Robinhood Europe-hosted gathering in Cannes, France. Robinhood has marketed this as the venue for the company’s biggest crypto announcements of the year.

Partnership Speculation Grows

Former Ethereum Core developer Eric Connor wrote on social media that it “looks like Robinhood chose Arbitrum.” Omar Kanji, partner at venture firm Dragonfly, speculated that the announcement could involve Robinhood launching its own blockchain.

So uhh, is Robinhood launching an L2 with the Arbitrum tech stack? https://t.co/2HqJaonTgE pic.twitter.com/mHtYFR0yQJ

— AJC (@AvgJoesCrypto) June 29, 2025

The timing follows Arbitrum’s recent selection by crypto exchange Gemini as the settlement layer for tokenized shares of MicroStrategy stock. Gemini plans to expand this offering to additional assets and networks over time.

On-chain indicators support the current bullish momentum. Data from Santiment shows a sharp increase in daily active addresses on the Arbitrum network. Social sentiment has also shifted from negative to positive, which typically precedes sustained price rallies.

Technical Analysis Points Higher

From a technical perspective, ARB is approaching the upper boundary of a large falling wedge pattern that has been forming since January 2024. A confirmed breakout above this resistance WOULD signal the end of the long-term downtrend.

The token currently trades above its 50-day exponential moving average, indicating strengthening medium-term momentum. The MACD indicator has flipped into positive territory, suggesting a shift in trend direction.

The Aroon Up indicator stands at 92.86% while the Aroon Down is at 42.86%. This points to a strong uptrend with declining bearish pressure, typically seen in early stages of trend reversals.

If the wedge breakout confirms, the next upside target sits at $0.75, corresponding to the 23.6% Fibonacci retracement level. A clean break above that level could set up a rally to $1, representing gains of 185% from current levels.

Robinhood shares also gained in overnight trading, rising 1.65% to $84.26. The stock closed Friday at $83.03 as traders positioned ahead of Monday’s expected announcements.