---
title: "Polymarket trading bot that turned $300 into $400,000 — Is now up this much"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/272068702.md"
description: "A Polymarket trading bot, known as 0x8dxd, has turned a $300 investment into over $550,000 in profits. Despite new fees aimed at reducing high-frequency trading, the bot has made an additional 700 predictions, increasing its one-month profits from $438,000 to nearly $512,000. The bot continues to focus on major cryptocurrencies like Bitcoin, Ethereum, Solana, and XRP."
datetime: "2026-01-09T11:23:24.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/272068702.md)
  - [en](https://longbridge.com/en/news/272068702.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/272068702.md)
---

# Polymarket trading bot that turned $300 into $400,000 — Is now up this much

Despite Polymarket unveiling new fees for the 15-minute crypto markets in an apparent effort to curb high-frequency algorithmic trading, the probable trading bot that managed to turn a $300 investment into more than $400,000 in profits appears to have continued its winning streak. Specifically, the profile designated 0x8dxd has made an additional 700 predictions between January 6 and press time on January 9, increasing its one-month profits from $438,000 to nearly $512,000, and its all-time profits to over $550,000 on the prediction market. Polymarket statistics for 0x8dxd. Source: Polymarket Furthermore, the trading bot’s strategy appears, for the time being, unchanged as it has continued making directional bets for major cryptocurrencies with the most common predictions ‘objects’ being Bitcoin (BTC), Ethereum (ETH), Solana (SOL), and XRP source: https://finbold.com/polymarket-trading-bot-that-turned-300-into-400000-is-now-up-this-much/

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