Grayscale Investments and Canary Capital Group have launched the first spot SUI exchange-traded funds (ETFs) with staking on Nasdaq and NYSE Arca, marking a significant expansion of crypto ETFs beyond Bitcoin and Ethereum. These funds provide investors with price exposure to the Sui network, along with staking rewards, offering a regulated way to participate in the proof-of-stake ecosystem without managing wallets. The ETFs, GSUI and SUIS, began trading on February 18, 2026, with estimated staking yields near 7% net of fees. Despite the innovative structure, first-day trading volumes were modest, with GSUI trading approximately 8,000 shares and SUIS about 1,468 shares, resulting in a combined notional volume under $150,000. This contrasts sharply with previous altcoin ETF launches, such as Solana's BSOL and XRP's XRPC, which saw debut volumes of $55.4 million and $58 million, respectively. The launch highlights the emerging liquidity tiers among altcoin ETFs, where higher market-cap assets attract more robust market-making and tighter spreads.