Alpenglow targets 150ms finality: what it means for the Solana price

Published on 10/16/2026 at 18:32 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

ETF funds lost 24.8 million USD for the week ending October 9. The Solana price is 106.07 USD as of October 16, 2026, up 1.83 percent.

Alpenglow upgrade date ahead

Network validators are preparing for October 21, when Alpenglow targets 150 milliseconds.
U.S. Solana spot ETFs recorded 24.8 million USD in outflows for the week ending October 9.
The Solana price stands at 106.07 USD as of October 16, 2026, 1.83 percent above the UTC daily close of October 15, 2026.
Validators will use Agave 4.3.0, while the migration keeps the old system for 5,000 slots.

Solana, XCCRYPTOSOL6, Illustration mit AI erstellt.

Solana (SOL) is scheduled to activate the Alpenglow consensus upgrade on October 21, with a target of 150 milliseconds for transaction finality. The Solana price stands at 106.07 USD as of October 16, 2026, 1.83 percent above the UTC daily close of October 15, 2026, while market capitalization is 62.36 billion USD at rank 7, according to Investing.com.

Alpenglow targets 150 milliseconds

CoinDesk reported that Solana will replace its TowerBFT validator voting system with Alpenglow on October 21. The upgrade is designed to finalize blocks in 150 milliseconds, although actual performance will depend on network conditions.

The change moves validator votes off-chain and removes vote transactions from blocks, according to CoinDesk. Validators must use Agave 4.3.0 for the migration. The report says Solana will keep its existing voting system for the first 5,000 slots during activation.

ETF outflows reach 24.8 million USD

U.S.-listed spot Solana exchange-traded funds recorded net outflows of 24.8 million USD in the week ending October 9, ending 14 consecutive weeks of inflows, Yahoo Finance reported. The funds held 1.72 billion USD in net assets, and the weekly outflow represented 1.4 percent of that amount.

The same report said money left the funds in seven of the first eight October sessions. On October 13, a Hong Kong asset manager launched the city's second spot Solana ETF, adding another regulated vehicle that directly holds SOL, according to Yahoo Finance.

SOL market data on October 16, 2026

According to Investing.com, the Solana price is 106.07 USD as of October 16, 2026, 1.83 percent above the UTC daily close of October 15, 2026. The daily high is 106.44 USD and the daily low (UTC day) is 100.96 USD. Market capitalization is 62.36 billion USD, ranked 7th, and 24-hour volume is 4.09 billion USD. Circulating supply is 589.27 million SOL.