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Marco Antonio Ribeiro

Marco Antonio Ribeiro

Co-Founder en Ostium

Marco Antonio Ribeiro es el Co-Fundador de Ostium.

Menciones en noticias

The future of commodities and equity markets is programmable. For @kaledora, that means building @Ostium with self-custody, instant settlement and transparency at its core on the Arbitrum Platform. https://t.co/WKmGD18Bam

@arbitrumjun 2026

This trader just opened a $20,675,100 short on US100. One clip, filled in seconds. TradFi liquidity is already live on Ostium. https://t.co/Ip81KsV6T6

@Ostiumjun 2026

Teams building perps on Ethereum: > @Lighter_xyz (Ethereum L2) > @variational_io (on an Ethereum L2 - @arbitrum) > @grvt_io (Ethereum L2 - @zksync stack) >@Euphoria_fi (on an ethereum L2 - @megaeth) > @Ostium (on an ethereum L2 - @arbitrum) Ethereum is for everything.

@binji_xjun 2026

Ostium is where big size traders go onchain. Get TradFi liquidity. predictable rollover fees, and minimal price impact. https://t.co/9Hn2PeMWwB

@Ostiumjun 2026

gains had structural issues with their token (death spiral because itd print itself), ostium inherited gains stuff like 9x profit cap (wtf) variational struck me as the correct way to do a perps aggregator perps aggregators hard because not atomic positions, for spot swaps route in/route out ezpz

@izebel_ethmay 2026

This trader has been holding a ~$1M AAPL long on Ostium for a year. Holding cost: $45,190 (4.68% of their position). Predictable rollover fees tied to the most liquid global markets. https://t.co/VT28WZHwx1

@Ostiummay 2026

Most exchanges rebuild liquidity from scratch. Ostium is not a perp dex. No order books. We connect to the most liquid markets. Trade 60+ RWAs with TradFi liquidity. Live right now. Many more to come.

@Ostiummay 2026

What makes @Ostium a premier venue for commodities and Nasdaq-powered equity perps? As @kaledora said: "it combines the benefits of onchain markets and traditional brokerage infrastructure in a decentralized, programmable, and verifiable system" Ostium is going programmable. https://t.co/0bq5RsF5O

@arbitrummay 2026

This morning a trader went long on US100 betting on the Iran deal. $9,699,990. Single clip. 0.047% slippage. Trade macro with size on Ostium. https://t.co/VCKZjdrkVg

@Ostiummay 2026

Launch Day Doji's private alpha (invite only) is now live on @Arbitrum. We're going live with @GMX_IO and @Ostium to bring real prop trading onchain. Trade with our capital, the way you already trade on perp dexes. → https://t.co/5G4Iz3K3J7

@ajwarner90may 2026