The Chicago Board Options Exchange (Cboe) has formally requested the Securities and Exchange Commission (SEC) to permit asset managers VanEck and 21Shares to introduce a Solana ETF to the market.

On Monday, the exchange submitted a pair of 19b-4 filings with the SEC, seeking approval to list these products. Upon acknowledgment by the SEC, a 240-day window is triggered within which the regulator must make a decision regarding the proposed ETFs, which would be anchored by Solana (SOL).

“Following the successful listing of the first U.S. spot Bitcoin ETFs on our exchange and securing SEC approval for our rule filings to list spot Ether ETFs, we are now addressing the growing investor interest in Solana – the third most actively traded cryptocurrency after Bitcoin and Ether,” stated Rob Marrocco, global head of ETP listings at Cboe Global Markets.

Read more: VanEck’s Bold Move: Solana ETF Filing Ignites 8% Surge in SOL Token

Cboe currently lists six of the ten existing spot Bitcoin ETFs, including those issued by Fidelity, Ark/21Shares, and VanEck. The exchange is also poised to list five spot Ether ETFs, pending regulatory approval.

Industry experts anticipate the SEC’s imminent approval of Ether ETFs, with numerous issuers having filed amended S-1 forms recently. Further amendments may still be necessary, as the latest filings lack detailed fee information.

In June, both VanEck and 21Shares submitted an S-1 filing, a requisite step when an entity intends to offer a new security on the market. The subsequent 19b-4 filing informs the SEC of a proposed rule change by a self-regulatory organization (SRO), such as an exchange, thus progressing the approval process for listing the ETF.