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Solana stablecoin base falls to 15.96 billion dollars

October 18, 2026 Dr. Michael Lee – Health Editor Health

Solana traded at 103.34 dollars on Saturday evening, sitting roughly 1 percent below Friday midday levels and down 6.2 percent over the previous week. Beneath the daily ticker movement, blockchain liquidity contracted significantly as the total stablecoin base on Solana fell to 15.96 billion dollars, down from 17.45 billion dollars on September 25.

The Tech TL;DR:

  • Solana’s stablecoin liquidity decreased by 1.49 billion dollars over a three-week window, dropping to 15.96 billion dollars by mid-October.
  • US spot Solana exchange-traded funds recorded ten consecutive trading sessions of net outflows through October 16, totaling 12.7 million dollars on that single day according to SoSoValue data cited by TokenPost.
  • Network developers prepare to deploy the Alpenglow consensus upgrade on October 21, targeting a block finality time of approximately 150 milliseconds.

Contraction of the Solana Stablecoin Pool

The total volume of stablecoins issued on the Solana blockchain dropped by 8.6 percent over a three-week period, sliding from a two-month peak of 17.45 billion dollars on September 25 back below early September levels. DefiLlama tracking data shows the pool stood at 15.69 billion dollars on September 1, before climbing mid-month and subsequently retreating to 16.25 billion dollars on October 14, 15.99 billion dollars on October 15, 16.16 billion dollars on October 16, and 15.96 billion dollars by October 17. This metric counts all circulating stablecoins issued on the network rather than actively traded volumes, meaning capital left the blockchain entirely or was redeemed by issuers.

Every purchase of SOL on decentralized exchanges requires a matching counterparty holding a stablecoin such as USDC or USDT within shared liquidity pools. A smaller liquidity pool increases price volatility because individual sell orders move the market more aggressively. Total trading volume across all Solana exchanges reached 1.89 billion dollars over a trailing 24-hour window, running high relative to a compressed 16 billion dollar stablecoin base. Lower stablecoin balances also reduce collateral available for lending protocols, reducing the amount of borrowed funds across the decentralized finance ecosystem.

Ten Consecutive Days of ETF Outflows

Secondary capital sources showed similar contraction as American spot Solana exchange-traded funds experienced ten straight sessions of net outflows ending on October 16, per data from market intelligence provider SoSoValue published via TokenPost. Net outflows on October 16 totaled 12.7 million dollars, following a 9.8 million dollar withdrawal on October 15. The Bitwise Solana Staking ETF (BSOL) accounted for the entire outflow on October 16, while six other funds—VSOL, FSOL, TSOL, SOEZ, MSOL, and GSOL—reported zero net movement. Cumulative net inflows since inception remain positive at 1.549 billion dollars, indicating that institutional participants are largely pausing activity rather than liquidating major positions.

Trading ranges for the token face immediate technical thresholds defined by remaining market depth. The 24-hour low held at 102.51 dollars, keeping the asset clear of the psychological 100-dollar mark. Upside resistance forms near the daily high of 105.11 dollars and extends to 107.71 dollars, while the October 8 level of 116.23 dollars stands further above. With thin stablecoin reserves supporting the order books, price reactions around these round numbers and daily highs depend directly on incoming daily turnover.

Alpenglow Upgrade Targets Faster Transaction Finality

Network infrastructure changes continue independently of immediate price action, led by the scheduled deployment of the Alpenglow consensus mechanism on the mainnet on October 21 around 14:50 UTC. Developed by the engineering team at Anza to replace TowerBFT, the upgrade targets a transaction finality time of approximately 150 milliseconds, cutting down from the previous 12.8-second benchmark. While faster settlement speeds form a core technical prerequisite for high-frequency institutional payments and tokenized asset settlement, major network upgrades typically see market pricing occur ahead of launch.

# Example cURL request querying Solana RPC for current slot and block height
curl -X POST https://api.mainnet-beta.solana.com 
  -H "Content-Type: application/json" 
  -d '{"jsonrpc": "2.0", "id": 1, "method": "getSlot"}'

Disclaimer: The technical analyses and security protocols detailed in this article are for informational purposes only. Always consult with certified IT and cybersecurity professionals before altering enterprise networks or handling sensitive data.

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