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AMM (automated market maker)

What is an AMM (automated market maker)?

An automated market maker is a pool that always quotes a price from a formula, so a trade can happen without another trader on the other side; the price moves as people buy and sell.

On Polymarket

Some prediction markets run AMM markets next to order books: Limitless charges 0.40% on its AMM markets and Myriad 0% to 2% [1][2].

👉 Polymarket vs Limitless

CLOB (central limit order book) · LMSR (logarithmic market scoring rule) · Liquidity

Frequently asked questions

How does AMM work on Polymarket?

Some prediction markets run AMM markets next to order books: Limitless charges 0.40% on its AMM markets and Myriad 0% to 2% .

Sources

  1. Limitless docs: fees (accessed 2026-09-24)
  2. Myriad docs: AMM markets (accessed 2026-09-24)

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