• Soaring ETF Approval Odds: Prediction market Polymarket shows a staggering 91% probability for a spot Solana Exchange-Traded Fund (ETF) approval by the end of 2025, reflecting a massive surge in positive market sentiment.

  • SEC Signals Progress: The U.S. Securities and Exchange Commission (SEC) has reportedly asked potential Solana ETF issuers to submit updated S-1 filings, a move widely interpreted as a sign of an accelerated review process. A decision could come within the next three to five weeks.

  • Staking a Key Feature: Unconfirmed reports suggest the SEC is open to allowing staking to be included in these Solana ETFs. This would be a groundbreaking feature, allowing investors to earn yield on their holdings and potentially making the product more attractive.

  • Expert Analysts Weigh In: Prominent Bloomberg ETF analysts Eric Balchunas and James Seyffart have echoed this optimism, with Seyffart assigning a 90% chance for a Solana ETF approval. Balchunas has even hinted at the possibility of an “altcoin ETF summer.”

  • Institutional Interest Rises: The potential for a Solana ETF has led to a spike in institutional interest, with Solana futures open interest nearing all-time highs. Several major asset management firms, including VanEck, Grayscale, and Bitwise, have already filed for a spot Solana ETF.

The cryptocurrency market is abuzz with anticipation as the prospect of a spot Solana ($SOL) Exchange-Traded Fund (ETF) appears increasingly likely. Fueling this optimism, the prediction market Polymarket now shows a 91% probability of a Solana ETF being approved by the U.S. Securities and Exchange Commission (SEC) before the end of 2025. This surge in positive sentiment follows recent reports that the SEC has requested potential issuers to accelerate the submission of their updated S-1 filings, a key document in the ETF approval process.

This development has been widely interpreted as a green light from the regulatory body, suggesting that a decision could be on the horizon, potentially within the next three to five weeks. The news has had a tangible impact on the market, with SOL’s price seeing a notable uptick and institutional interest surging. According to data from CoinGlass, open interest in Solana futures has climbed significantly, nearing its all-time high and indicating a strong inflow of capital from institutional investors.

Adding to the excitement are whispers that the SEC may be open to including staking within the framework of these ETFs. For a proof-of-stake blockchain like Solana, this would be a game-changing feature, allowing ETF investors to earn yield on their Solana holdings. This potential for passive income could make a Solana ETF a particularly attractive investment vehicle compared to existing crypto ETFs for assets like Bitcoin ($BTC), which do not offer such rewards.

The optimism is not just confined to prediction markets. Leading voices in the ETF space are also signaling a high likelihood of approval. Bloomberg senior ETF analyst Eric Balchunas has been vocal about the positive developments, even suggesting a broader trend. In a recent post on X.com, he shared a note from his colleague James Seyffart, stating:

Get ready for a potential Alt Coin ETF Summer with Solana likely leading the way (as well as some basket products) via @JSeyff note this morning which includes fresh odds for all the spot ETFs. pic.twitter.com/UMzih4oou7

— Eric Balchunas (@EricBalchunas) June 10, 2025

Seyffart himself has assigned a 90% probability to a Solana ETF approval, placing it at the forefront of the next wave of potential crypto ETFs. This expert commentary has further solidified the belief that it is a matter of ‘when,’ not ‘if,’ for a Solana ETF.

Several heavyweight asset managers are vying for a piece of the action, with firms like VanEck, Grayscale, 21Shares, Bitwise, and Franklin Templeton having already submitted their applications to the SEC. Grayscale, which successfully converted its Bitcoin and Ethereum ($ETH) trusts into spot ETFs, is expected to follow a similar strategy for its existing Grayscale Solana Trust.

While the timeline for a final decision remains fluid, with some analysts suggesting a more conservative early fourth-quarter approval, the recent flurry of activity from the SEC has undeniably shifted the narrative. The potential influx of institutional capital that a spot ETF would unlock could have a profound impact on Solana’s market valuation and its position within the broader decentralized finance (DeFi) ecosystem.

By the Numbers: Solana’s Bullish Indicators

Metric Value Significance Polymarket Approval Odds (2025) 91% Reflects extremely high market confidence in a Solana ETF approval. Bloomberg Analyst Approval Odds 90% Expert analysis from leading ETF specialists corroborates market sentiment. Solana Futures Open Interest ~$7.54 Billion A 12% increase in 24 hours indicates strong institutional interest and leveraged positions. Solana Network TVL ~$9.1 Billion The highest Total Value Locked since June 2022 shows robust on-chain activity.

Key Concepts Explained

  • Exchange-Traded Fund (ETF): An ETF is a type of investment fund that is traded on a stock exchange, much like a stock. A spot Solana ETF would hold actual SOL tokens, giving investors exposure to the cryptocurrency’s price movements without them needing to buy and store the digital asset themselves.

  • Staking: In proof-of-stake blockchains like Solana, staking involves locking up a certain amount of cryptocurrency to help secure the network. In return for their contribution, stakers receive rewards, typically in the form of more of the same cryptocurrency. The potential inclusion of staking in a Solana ETF would allow investors to earn these rewards.

  • S-1 Filing: This is a registration statement that a company must file with the SEC before it can offer its securities to the public. In the context of an ETF, the S-1 provides detailed information about the fund’s investment objectives, strategies, risks, and management. A request for an updated S-1 is often seen as a positive step in the approval process.

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