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Grayscale’s Sui Trust Starts Trading on OTCQX, Bringing SUI Exposure to U.S. Brokerages

Grayscale frames the OTCQX debut as a bridge to a future exchange-traded product once SEC listing standards are met.

Overview

  • Trading in the Grayscale Sui Trust began November 20, 2025 on the OTCQX Best Market, making shares publicly quoteable and accessible through many U.S. brokerage accounts.
  • The vehicle, ticker GSUI, is a single-asset investment trust that holds SUI and seeks to reflect its value minus fees, but it is not an ETF and is not redeemable for tokens.
  • Grayscale cautions the product is highly speculative and that GSUI may trade at a premium or discount to the underlying SUI due to market demand and liquidity.
  • The company says GSUI is not yet fully aligned with the SEC’s new Generic Listing Standards for Commodity-Based Trusts and that it plans to pursue conversion to an ETP once requirements are satisfied.
  • Sui stakeholders describe the listing as a step that connects the network to traditional financial rails, potentially broadening investor participation in the ecosystem.