Market makers are the engines of liquid markets. Without them, buyers and sellers would struggle to find each other instantly — prices would be volatile and spreads would be wide. In traditional finance, specialized firms (Citadel Securities, Virtu Financial) earn profit by quoting tight bid-ask spreads while managing inventory risk. In crypto, market making operates in two fundamentally different forms: professional market makers on centralized exchanges, and automated market makers (AMMs) in DeFi.
How It Works
Centralized Exchange Market Making
A professional market maker on an exchange like Binance or Coinbase:
- Simultaneously quotes a bid price (will buy at this price) and an ask price (will sell at this price)
- Earns the spread — the difference between bid and ask — on each matched trade
- Manages inventory risk: if they accumulate too much of one asset, they adjust prices to encourage offsetting trades
- Operates algorithms that update thousands of quotes per second
In crypto, major market makers include Jump Trading, Wintermute, Cumberland, GSR, and Amber Group. Exchanges pay market makers reduced fees or rebates to attract their liquidity.
Automated Market Makers (AMMs)
AMMs on DEXes (Uniswap, Curve, Balancer) replace human market makers with smart contract algorithms:
- Liquidity providers (LPs) deposit token pairs (e.g., ETH + USDC) into a pool
- The pool automatically quotes prices using a mathematical formula (e.g.,
x * y = k) - Traders swap against the pool; the price adjusts algorithmically as the ratio changes
- LPs earn trading fees for providing liquidity
Key Differences: CEX vs. AMM
| Factor | Professional Market Maker | AMM |
|---|---|---|
| Price setting | Active quoting by algorithms | Formula-based (constant product, etc.) |
| Capital efficiency | High (concentrated orders) | Lower (Uniswap v2) to high (Uniswap v3) |
| Who earns fees | Market making firm | Liquidity providers |
| Permissioning | Exchange approval required | Permissionless (anyone can be LP) |
| Speed | Microseconds | Block speed (~12 sec on ETH) |
Impermanent Loss
AMM liquidity providers face Impermanent Loss: when the relative price of pooled assets diverges, LPs hold less of the appreciating asset than if they had just held both. This is the primary risk of being an AMM LP.
History
- Pre-2018: Crypto market making done by humans on order book exchanges; high spreads, low liquidity
- 2018: Uniswap v1 launches — first successful AMM; LPs make ETH/token pairs liquid
- 2020: Curve Finance launches AMM optimized for stablecoin swaps (similar assets, very tight spreads)
- 2021: Uniswap v3 introduces concentrated liquidity — LPs can focus capital in a price range, dramatically improving capital efficiency
- 2022: Jump, Wintermute, Amber Group emerge as dominant institutional crypto market makers
Common Misconceptions
“All market makers manipulate prices.” Market makers do adjust prices dynamically, but legitimate market making involves maintaining a spread around fair value, not directional manipulation. Pump-and-dump coordinators and wash traders are not market makers.
“AMMs are identical to traditional market makers.” AMMs automate a specific market making strategy (providing liquidity across a range) but they are passive — they cannot react to information or adjust their strategy the way sophisticated algorithmic market makers can.
Criticisms
- Professional crypto market makers like Alameda Research (FTX) blurred the line between market making and proprietary trading that could manipulate prices
- AMM liquidity providers often earn less than they realize due to impermanent loss exceeding trading fee revenue
- High-frequency market makers extract value from retail traders via latency advantages
Social Media Sentiment
Market making is less discussed by retail crypto communities than by professional traders and DeFi LPs. The collapse of Alameda Research created lasting skepticism of opaque market making firms. Uniswap v3’s concentrated liquidity created a new class of “professional passive LPs” using automated rebalancing tools.
Last updated: 2026-04
Related Terms
Sources
Angeris, G., & Chitra, T. (2020). Improved Price Oracles: Constant Function Market Makers. ACM AFT.
Adams, H., Zinsmeister, N., Salem, M., Keefer, R., & Robinson, D. (2021). Uniswap v3 Core. Uniswap Labs.
Cartea, Á., Jaimungal, S., & Penalva, J. (2015). Algorithmic and High-Frequency Trading. Cambridge University Press.
Xu, J., et al. (2021). SoK: Decentralized Exchanges (DEX) with Automated Market Maker Protocols. ACM CCS.