GMX launched on Arbitrum in September 2021, introducing the GLP pool model that would influence every subsequent perp DEX design. Instead of an orderbook, traders traded against a shared liquidity pool (GLP) composed of ETH, BTC, and stablecoins. Liquidity providers earned trading fees, funding rates, and a share of liquidations. It was elegant, capital-efficient, and novel.
At its peak in late 2022, GMX was the largest source of revenue on Arbitrum and one of the top-earning protocols in all of DeFi, generating $200M+ in annualized fees. The GMX token accrued 30% of fees directly to stakers in ETH, creating one of the first real-yield models in DeFi. Analysts called it “the Berkshire Hathaway of perps.” For about a year, that comparison felt earned.
Then the problems started. The GLP model worked beautifully in trending markets but created toxic flow problems when traders consistently won against the pool. Hyperliquid, dYdX, and other orderbook-based competitors ate into GMX’s market share. An exploit in 2024 drained tens of millions from a GMX v1 pool. The v2 upgrade addressed some issues but never recaptured the momentum. By late 2024, GMX was a respected but shrinking player.
GMX’s historical importance isn’t its current state — it’s that it pioneered real-yield DeFi tokenomics and the pool-based perp design. Dozens of forks and imitators followed: Gains Network on Polygon, Vertex, Kwenta, Level Finance, and others. The concept that LPs could be the counterparty to traders, and that tokens could accrue direct fee revenue without inflation games, traces back to GMX. Even as competitors surpassed it, GMX’s ideas became the foundation for much of modern DeFi thinking about tokenomics.
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