Ostium is a decentralized perpetual exchange protocol that enables onchain trading of stocks, commodities, forex, and crypto against real-world liquidity. Ostium's Twitter Score is 216 out of 1000 (an Excellent rating) as of July 2026, ranking #2,112 (top 0.5%) among 531,432 tracked accounts.
Ostium was co-founded by Kaledora Kiernan-Linn and Marco Antonio Ribeiro. The protocol raised $24M in a round co-led by General Catalyst and Jump Crypto, at a valuation of approximately $250 million. Additional backers include Wintermute Ventures, Coinbase Ventures, Crucible Capital, Susquehanna (SIG), GSR, LocalGlobe, Balaji Srinivasan, Bridgewater, Two Sigma, and Brevan Howard.
Ostium is deployed on Arbitrum and has reported cumulative trade volume of over $45 billion, peak open interest above $300 million, and more than 25,000 active traders. The protocol has been audited by Zellic, ThreeSigma, and Pashov, with no critical vulnerabilities reported. As of reporting, Ostium has made no official announcements regarding a token launch.
Ostium has 62,600 followers as of July 2026 and has published 5,388 posts. The account has been mentioned by 314 accounts a total of 990 times.
Who follows Ostium on X?
The accounts that follow Ostium include 743 founders, 219 angel investors, 551 influencers and 12 VCs. Among them are Laura Shin, Andrew Kang, smolting wassie, verse, Zhu Su, Meltem Demirors and Farokh.