Spot Solana ETFs attracted $39.23 million in total net flows last week, their strongest weekly performance since February, coinciding with a 15% SOL price rally to approximately $97 and a sharp increase in derivatives market activity. Bitwise's BSOL ETF dominated the inflow wave, pulling in $36 million for the week alone and bringing its cumulative total since launch to $861 million — representing nearly 81% of the $1.06 billion in total cumulative inflows across all spot SOL ETFs. Fidelity's FSOL contributed an additional $1.8 million. The ETF flow data matters because it reflects institutional and retail demand coming through regulated vehicles rather than direct crypto purchases, which tends to be stickier and more structurally significant than speculative spot market buying. When ETF inflows accelerate alongside a price rally rather than following it after a period of consolidation, it suggests that fresh capital is entering the position rather than existing holders adding to positions they already own — a distinction that affects how sustainable the price move is likely to be.

The derivatives data reinforces the picture of genuine market conviction rather than retail-driven momentum. Solana futures open interest climbed from $4.94 billion on May 1 to $6.4 billion — a 29.5% increase in less than two weeks — indicating that traders are adding leveraged positioning at scale rather than simply watching the spot price move. The aggregated spot cumulative volume delta, which measures the net difference between market buy and sell orders, climbed from $163 million to nearly $250 million over five days during SOL's push toward $96, while the futures CVD expanded to approximately $593.6 million as buyers absorbed sell-side liquidity across both markets. The funding rate holding near 0.065% confirms that traders are paying a premium to maintain long exposure, reflecting genuine bullish conviction rather than neutral or hedged positioning. The one cautionary note in the data is that buying activity has begun to flatten near the $95 to $96 range over the past 24 hours as spot and volume deltas cooled, suggesting the immediate momentum may be consolidating before the next directional move rather than continuing to accelerate linearly.