The REX-Osprey Solana + Staking ETF ($SSK) has made an explosive debut, pulling in over $20 million in a single day, and pushing its total assets under management (AUM) to more than $40 million—just days after its launch.

Launched on July 3, $SSK is the first U.S.-listed Solana ETF that directly holds and stakes SOL tokens. This unique model sets it apart from other crypto ETFs that merely track asset prices. With staking rewards of 7.3% annually, paid out monthly, $SSK offers both price exposure and yield, making it a highly attractive option for investors seeking passive income in crypto markets.
“A lot of green numbers = good,” summed up Eric Balchunas, Bloomberg’s senior ETF analyst, who predicted early success for the fund.
📈 Rapid Growth and Volume Milestones
- On Day 1, $SSK had $1 million AUM and saw $33 million in trading volume
- Within days, AUM jumped to $40M+
- $20M was added in one day alone
This performance surpassed expectations and helped $SSK outpace rival funds like $SOLZ and start closing in on $SOLT, a 2x leveraged Solana ETF. Combined, the three Solana-focused ETFs have brought in around $80 million in the last month, doubling total inflows in the Solana ETF segment.
💹 Why Investors Are Flocking to $SSK
The appeal of $SSK lies in its:
- Real Solana exposure (not futures or derivatives)
- Staking yield of ~7.3% annually, paid monthly
- Regulatory transparency as a U.S.-listed product
- Rising institutional and retail confidence in Solana’s ecosystem
While still small compared to Bitcoin or Ethereum ETFs, $SSK’s early success signals a growing appetite for yield-bearing crypto investment products in regulated markets.
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