Crypto market making is continuously quoting both a buy price (bid) and a sell price (ask) for a token on an exchange, so that anyone who wants to trade can do so immediately. Market makers earn from the spread between bid and ask, from exchange incentives, or from fees paid by the token project, and they manage the risk of holding inventory that moves in price. For token projects, market making mainly improves spread, depth, and price consistency across exchanges.
Key takeaways
- A market maker is the counterparty that is usually there when you want to trade.
- Spread is the gap between best bid and best ask; depth is the size available near the price.
- Market makers carry inventory risk; how they manage it shapes the book you see.
- Market making improves market quality. It does not create demand or set a price.
The order book in one minute
An exchange order book lists resting buy orders (bids) and sell orders (asks) at different prices. The highest bid and lowest ask form the top of book. The difference between them is the spread. The total size of orders at prices near the middle is the depth.
| Term | Example meaning |
|---|---|
| Best bid | The highest price someone will pay right now |
| Best ask | The lowest price someone will sell at right now |
| Spread | Best ask minus best bid, often expressed in % or basis points of the mid price |
| Depth at ±2% | Total order value within 2% above or below the mid price |
| Slippage | How far your average fill price moves from the mid price because of your order size |
What a market maker does
A market maker keeps orders on both sides of the book, continuously. When the price moves, it updates its quotes. When it buys more than it sells, it adjusts prices to rebalance. Across several exchanges, it moves inventory and arbitrages differences so the token trades at similar prices everywhere.
For a token project, the visible results are:
- Tighter spreads, so trading costs less
- More depth, so normal orders move the price less
- More consistent prices across venues
- Fewer gaps during volatile periods
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How market makers make money
- Capturing the spread: buying slightly lower and selling slightly higher, many times.
- Exchange incentives: maker rebates or liquidity programs on some venues.
- Project fees: a retainer for quoting a defined scope.
- Loan and option economics: using borrowed tokens and holding call options on them.
The risk they manage
Holding inventory means exposure to price moves. If a token falls while the market maker holds a lot of it, it loses money. Managing that risk, by hedging, adjusting quotes, and limiting inventory, is the core skill. It also explains why market makers want clear information about your supply and unlocks.
What market making is not
- Not price support: no one can hold a price against sustained selling.
- Not volume generation: trading with yourself to inflate volume is wash trading.
- Not marketing: it makes the market usable; it does not bring buyers.
- Not a listing service: exchanges decide listings themselves.
Frequently asked questions
How do crypto market makers make money?
From the bid-ask spread on trades they facilitate, from exchange fee rebates or liquidity programs, and, for token projects, from service fees (retainers) or the economics of token loans and call options.
Is market making legal?
Providing genuine two-sided liquidity is a normal market activity. What is illegal in many jurisdictions is manipulation, such as wash trading or trading to create a misleading price or volume. See market making vs wash trading.
What is the difference between a market maker and a market taker?
A maker places orders that rest on the book and add liquidity; a taker places orders that execute immediately against those resting orders. Exchanges often charge takers more than makers.
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