On a centralized exchange (CEX), liquidity is a limit order book, and market makers actively place and update bids and asks. On a decentralized exchange (DEX), liquidity usually sits in automated market maker (AMM) pools where a formula sets prices from the pool’s token balances. CEX liquidity depends on active quoting and exchange accounts; DEX liquidity depends on capital in pools and range management. Arbitrage links the two, so weakness in one spills into the other.
Key takeaways
- CEX: order book, active quoting, exchange accounts, KYC.
- DEX: AMM pools, formula pricing, on-chain and permissionless.
- Arbitrageurs keep prices aligned; thin liquidity in either venue affects both.
- Plan inventory for both and make sure the people managing each coordinate.
Side by side
| CEX order book | DEX AMM pool | |
|---|---|---|
| Price setting | Matching of bids and asks | Formula based on pool balances |
| Liquidity providers | Market makers and traders placing orders | LPs depositing token pairs |
| Access | Exchange account, KYC | Wallet, permissionless |
| Key metrics | Spread, depth, uptime | Pool size, range, price impact, fees |
| Main risks | Thin books, counterparty, exchange outages | Impermanent loss, MEV, range exits |
| Who manages | Market maker under contract | Project treasury, LP partner, or MM |
How prices stay linked
When a token is cheaper on a DEX than a CEX, arbitrageurs buy on the DEX and sell on the CEX until prices converge, and vice versa. That moves inventory between venues. A market maker covering CEX pairs will see those flows and needs enough inventory to absorb them.
Planning for both
- Decide how much inventory goes to pools versus CEX market making.
- Agree who manages each and how they share information.
- Watch price impact on DEX and depth on CEX side by side.
- Revisit the split after each new listing.
Frequently asked questions
Do we need both CEX and DEX liquidity?
Most tokens start on DEXs and add CEX listings later. Once both exist, users and arbitrageurs move between them, so both need attention.
Can a market maker manage DEX liquidity too?
Some do, especially concentrated-liquidity positions. Confirm scope, who controls the LP positions, and how DEX activity is reported.
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