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JIT Liquidity

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FrontrunPublic MempoolPrivate MempoolBackrun

JIT (Just-In-Time) Liquidity is an MEV strategy of providing liquidity to a concentrated liquidity DEX for a single block. The goal is to capture trading fees from a large, pending transaction and then immediately withdraw.

Why it matters on AGON

You will not find JIT liquidity bots inside AGON's sports markets. This is a pure DeFi play. However, AGON operates on Base and settles in USDC. To participate, you interact with the on-chain world.

Understanding concepts like JIT liquidity gives you a full-spectrum view of the environment your assets move through. When you bridge or swap into USDC on a Base DEX, your transaction enters the mempool. There, it becomes a target for sophisticated strategies that can affect your execution price. Knowing the game on-chain makes you a sharper operator on our platform.

How to apply

Executing a JIT liquidity attack is a high-frequency, capital-intensive strategy. It is not a manual trade.

The process involves:

  1. Monitoring: A bot scans the public mempool for large incoming swaps on concentrated liquidity AMMs like Uniswap v3.
  2. Calculation: Once a target swap is identified, the bot calculates the exact price tick range the swap will pass through.
  3. Execution: The bot submits a transaction bundle to a block builder. This bundle sandwiches the target swap: first, a transaction to add a large amount of liquidity in the calculated range, then the victim's swap, and finally a transaction to remove the liquidity.

If successful, the JIT provider earns the majority of the fees from that large swap without exposure to long-term impermanent loss. This is a competitive arena for extracting on-chain alpha, not a strategy for the average degen.

See also

frontrun · backrun · public-mempool · private-mempool

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