MEV Bot turns $100 into $37K Instantly

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On 5th September 2024, a trader on Ethereum was looking to swap 105K Combo Network (COMBO) ($37.65K) tokens to WETH. Unfortunately for them, they were swapping into a Uniswap pool with insufficient liquidity at the time. As a result, the trader ( 0x0B2 ) only received 0.012 WETH ($27.88) in return, or an instant 99.9% loss on the swap. An MEV bot spotted the opportunity and swooped in to capitalize on it.

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MEV bot ( 0x12F ) detected the opportunity and initiated a swap right after the initial swap from 0x0B2, and proceeded to swap 0.05 WETH ($117.93) for 103.51K COMBO ($37.29K). The tokens were immediately sent to a Binance deposit address ( 0xB24 ), likely to sell into higher liquidity for a more favorable price.

To guarantee the priority of their transaction in the block, 0x12F paid 12.766 ETH ($30.1K) to a block builder to include their transaction, netting themselves a final profit of ~$7K.