Grayscale Updates S-1 Filing for Sui Staking ETF as SUI Trades Near $1.44

TheNewsCryptoPublished on 2026-01-27Last updated on 2026-01-27

Abstract

Grayscale Investments has amended its S-1 filing with the SEC for a Sui Staking ETF (ticker: GSUI), seeking to list it on NYSE Arca. The filing details staking mechanics and risks, with BNY Mellon as the administrator and Coinbase as the prime broker and custodian. This move reflects growing institutional crypto ETF interest, following Bitwise's similar SUI fund filings. Concurrently, SUI trades at $1.44 with a $5.44B market cap, as its 24-hour trading volume dropped 33% to $547M. The token faces a major unlock of 43.5M tokens (worth ~$63M) next week, potentially increasing selling pressure, while its derivatives open interest rose 8% to $729.3M.

Grayscale Investments has advanced in launching a Sui Exchange Traded Fund (ETF), amending its S-1 registration statement with the U.S. Securities and Exchange Commission (SEC). As it intends to change the name of the trust to Grayscale Sui Staking ETF, under the ticker GSUI, which aims to be listed and traded on the NYSE Arca exchange.

The updated Grayscale filing provides additional detail on staking mechanics, risk disclosures, and structural elements as the Grayscale firm seeks formal regulatory approval to offer investors exposure to SUI’s price plus potential yield from staking.

Also, the Bank of New York Mellon will serve as the transfer agent and the administrator of the Grayscale Sui Staking ETF. Meanwhile, Coinbase is named as the prime broker, and Coinbase Custody Trust Company as the custodian of the trust.

This Grayscale filing comes as institutional interest in crypto ETFs continues to rise, as Bitwise has already filed for SUI-based funds and is looking for approval for 10 new exchange-traded funds (ETFs), potentially boosting regulatory momentum and investor confidence in the SUI token.

Sui Trades Ahead of Major Token Unlock

SUI is trading at $1.44 currently, with a market cap of around $5.44 billion. With that, market activity has also slowed, with 24-hour trading volume declining by 33%, reaching to $547 million, indicating lower participation. As SUI’s price moved in a limited intraday range of $1.43 to $1.46, indicating persistent consolidation and a lack of a strong directional move, at the time of writing.

Adding to that, as per Tokenomist data, SUI is set to unlock 43.5 million tokens next week, which is worth around $63 million. Where these unlocks frequently come with concerns that could lead to selling pressure if demand cannot absorb the additional tokens.

Meanwhile, derivatives data provides a different outlook, as per Coinglass, open interest increased by almost 8% in the previous 24 hours, hitting $729.3 million at the time of writing.

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