Open Standard’s OUSD stablecoin adds $626.3 million in a week

Open Standard’s stablecoin market cap grew by $626.3 million over the past week. For a token that only recently went live, that is a fast start. The stablecoin is called Open USD, or OUSD. It is backed by a consortium that reads like the guest list at a payments industry gala: Coinbase, Mastercard, Shopify, Stripe and Visa. OUSD went live on September 30, 2026. It launched across several blockchains at once, including Ethereum, Base, Solana and Tempo. Within days, circulating supply reached approximately $666 million to $668 million. The initial supply was somewhere between $468 million and $477 million. The founding partners committed more than $1 billion in liquidity support at launch. The reserves behind OUSD are held at BlackRock, Lead Bank and BNY Mellon. Open Standard was first announced on June 30, 2026. Since then, the partner list has grown from 140 companies to more than 200. New names include UBS and SBI Holdings. Zach Abrams, CEO of Bridge, has led OUSD’s strategic positioning throughout its development. The business model is the real story Most large stablecoins work on a simple formula. Users hand over dollars, the issuer invests those dollars in reserve assets, and t...