Hyperliquid Buyback Program Drives $640M Supply Compression Across DeFi

Hyperliquid and pump.fun are executing the largest coordinated token buyback in DeFi history, deploying $640 million to compress supply across their respective tokens. The programs, funded entirely from protocol revenue rather than treasury reserves, mark a structural shift in how decentralized exchanges and launchpads manage token economics.

Hyperliquid's perpetuals exchange generates an estimated $40 million monthly in trading fees, with 30% allocated to HYPE buybacks executed through on-chain TWAP orders. Pump.fun directs bonding curve surplus, approximately $22 million monthly, into SOL-denominated buybacks of its native token.

Combined, the programs absorb roughly $2.1 million in daily sell pressure, exceeding 2% of HYPE's $959.5 million 24-hour volume.

| Combined | $62M | Protocol revenue |, |, |

The mechanism operates without governance votes for routine execution. Hyperliquid's smart contract automatically routes fee revenue to a buyback module that executes TWAP purchases across Binance, Bybit, and its native order book. Pump.fun's implementation burns tokens directly from the bonding curve contract, reducing total supply permanently.

Both designs avoid the sell-pressure risk of treasury diversifications seen in earlier buyback models.

HYPE trades at $81.11, down 1.95% in 24 hours but up 1.60% over seven days, with market cap at $18.04 billion ranking ninth globally. Circulating supply stands at 222.45 million against 955.31 million total, a 23% float that the buyback targets for gradual reduction.

Total crypto market cap sits at $2.63 trillion with 24-hour volume of $71.7 billion, down 2.98% on the day.

Governance risk centers on the September 15 vote to expand Hyperliquid's buyback authority from 30% to 45% of protocol revenue. A similar proposal failed in March when validators objected to reduced staking yields. Pump.fun faces no equivalent vote, its bonding curve mechanics hard-code the buyback ratio.

Smart contract audits by Spearbit and Zellic cover both buyback modules, with no critical findings.

What to watch: the September 15 governance outcome, any shift in perpetuals volume that alters fee revenue, and whether competing DEXs adopt revenue-backed buybacks over inflationary emissions.