Solana Holds Near $87 as ETF Inflows and Alpenglow Upgrade Drive Focus

Solana (SOL) is hovering around the mid-$80s as traders look for a new directional catalyst, with attention split between potential ETF momentum and a major network upgrade slated for later this year. The token was trading at $86.90 as of May 21 UTC, up 1.36% on the day but down 6.99% over the past week, underscoring the market’s caution despite pockets of improving demand.

With a market capitalization of roughly $50.2 billion, Solana ranks seventh among cryptocurrencies and represents about 1.94% of the total crypto market. While the broader layer-1 landscape remains competitive, SOL’s near-term setup has increasingly become a tug-of-war between technical resistance overhead and a narrative shift back toward infrastructure and institutional adoption.

From a charting perspective, SOL is sitting near a key inflection zone. The 20-day exponential moving average (EMA) at $87.8 and the 50-day EMA at $87.7 are tightly clustered, forming a near-term support area that bulls have tried to defend. Overhead, however, the 100-day EMA near $92.9 and the 200-day EMA at roughly $109.4 have hardened into a clear resistance band. After briefly tagging $93 on May 15 UTC, SOL failed to hold the move, with selling pressure intensifying in the $94–$96 region and pushing the price back into its current range.

One of the most closely watched bullish catalysts is the continued presence of ‘institutional demand’ through spot Solana ETF flows. According to data cited by CryptoRank, inflows into existing spot Solana ETFs have remained positive across multiple May sessions, including about $21.3 million on May 6 UTC, $26.6 million on May 11 UTC, and $19.1 million on May 12 UTC. Cumulative net inflows were reported at approximately $1.1 billion, a figure that—if sustained—could help stabilize the market during periods of weaker retail risk appetite.

Adding to that theme, Morgan Stanley ($MS) has filed an amended S-1 registration statement for a spot Solana ETF proposed under the ticker ‘MSOL.’ The filing names Coinbase Custody as the primary custodian and BNY Mellon as a key administrator. A standout detail is language allowing up to 100% of the fund’s SOL holdings to be staked, a structure that could simultaneously introduce regulated exposure to staking yield and reduce liquid circulating supply—two dynamics investors often associate with tighter market ‘liquidity’ conditions.

Market commentary referenced by 24/7 Wall Street suggests fund flows have remained constructive since the U.S. Securities and Exchange Commission approved spot Solana ETFs in 2025. The same coverage pointed to Dartmouth College’s reported $3.3 million allocation to a Solana ETF as evidence that traditional institutions, including endowments, are becoming more comfortable accessing SOL through regulated vehicles. Regulatory uncertainty also eased in March 2026, according to the report, when the SEC and the Commodity Futures Trading Commission jointly categorized Solana and XRP as commodities.

On the technology side, Solana developers are preparing what they describe as a performance-focused upgrade called ‘Alpenglow.’ The update entered community validator testing on May 11 UTC and is targeting a mainnet rollout in the third quarter. The upgrade is framed as a push to materially improve transaction speed and throughput—capabilities that matter most for high-frequency trading workflows, advanced derivatives and options decentralized exchanges (DEXs), and latency-sensitive DeFi applications.

Analysts following the test cycle argue that a smooth validator phase and an on-schedule mainnet release could strengthen the case for a breakout, particularly if ETF inflows remain steady. In that scenario, the market would likely focus first on reclaiming the $95–$100 zone and then on whether SOL can challenge the 200-day EMA near $110, a level that has become a psychological marker for trend reversal discussions.

On-chain and market activity metrics are sending mixed—but not decisively bearish—signals. On-balance volume (OBV), a volume-based gauge used to infer accumulation, has been gradually improving even while price remains capped below resistance, hinting at persistent underlying buying. Meanwhile, 24-hour trading volume climbed 16.49% day over day to around $3.87 billion. Reported activity was heavily concentrated on centralized exchanges (CEXs), with only a small fraction routed through DEX venues during the same period.

Still, technicians say a convincing recovery likely requires consecutive daily closes in the $90–$93 band. Failure to reclaim that area could leave SOL vulnerable to a retest of support in the low-$80s, particularly if macro conditions deteriorate and risk assets broadly reprice. The recent pullback reflects how quickly momentum can fade when the market lacks a clear catalyst and liquidity thins near key levels.

Broader positioning also appears to be evolving as the market rotates away from last cycle’s meme-driven bursts and back toward infrastructure narratives. Reports cited in the coverage note SOL remains well below its 2025 peak of $294, reflecting how the market has repriced high-beta layer-1 assets amid shifting risk appetite. At the same time, capital has chased newer, higher-risk opportunities—highlighted by commentary that Hyperliquid’s HYPE token has reached a fully diluted valuation of about $54 billion, eclipsing Solana’s market cap at points during the recent derivatives-focused boom.

Supply dynamics remain a longer-term consideration. Solana’s circulating supply is about 579.8 million tokens, roughly 92% of the reported total supply of 626.9 million. Because Solana does not operate under a hard maximum supply cap, inflation and staking participation rates can influence perceptions of scarcity and long-term value capture, especially when investors compare tokenomics across major layer-1 networks.

Looking ahead, market participants are largely focused on three variables: whether Morgan Stanley’s ‘MSOL’ ETF is approved and launched; whether ‘Alpenglow’ ships to mainnet on schedule with clear performance gains; and whether broader macro conditions remain supportive for crypto risk-taking. If those factors align, traders anticipate SOL could clear the $90–$93 ceiling and attempt to establish a higher range above $100, with implications for both institutional allocation discussions and the competitive positioning of Solana’s DeFi and trading ecosystem.