Prediction market participants have sharply increased their expectations that U.S. regulators will clear a spot exchange-traded fund investing in Solana’s SOL token before the July 31 deadline. Data cited by Cointelegraph from Polymarket show implied odds of approval climbing to 76% on 17 June, up from 63% a day earlier. A separate Polymarket contract quoted the probability at about 70% during afternoon trading, underscoring widening confidence that the Securities and Exchange Commission will allow the product to launch. The surge in wagers comes as Solana’s underlying blockchain continues to scale. A developer working group said network account limits are being lifted by 66%, a change aimed at accommodating higher transaction throughput. The combination of technical upgrades and rising approval expectations has kept investor attention on SOL, which would gain a new pool of potential buyers if a regulated ETF is authorized.