A Polymarket trading bot can receive the same event more than once, restart after a crash, or lose its connection while an order is being submitted. If the application treats every repeated signal as a new instruction, it can place duplicate orders and expose more capital than intended. The sol...
Source: [Dev.to](https://dev.to/dexoryn/how-to-prevent-duplicate-orders-in-a-polymarket-trading-bot-with-python-3p20)