ryptocurrency markets can move very quickly, sometimes within seconds. Because of this price volatility, the price a trader sees when placing an order may not be the exact price at which the trade is completed. The difference between the expected price and the actual execution price is known as crypto slippage.
Slippage is an important concept for cryptocurrency traders because it can increase the actual cost of buying or selling digital assets. It can be particularly significant when trading volatile cryptocurrencies, large orders or tokens with low liquidity.
Understanding how slippage works can help traders make better decisions and manage their trading costs.
What Is Crypto Slippage?
Crypto slippage is the difference between the expected price of a cryptocurrency trade and the actual price at which the trade is executed.
For example, suppose a trader wants to buy a cryptocurrency currently showing a price of $100. The trader places a market order, but the cryptocurrency’s price changes before the order is completed.
The transaction may eventually execute at $101.
In this case, the trader has experienced unfavorable slippage of $1 per token.
Slippage can occur when buying or selling cryptocurrency and can sometimes work in the trader’s favor if the final execution price is better than expected.
Why Does Crypto Slippage Happen?
Several factors can cause slippage in cryptocurrency markets.
- High Market Volatility
Cryptocurrency prices can change rapidly because of market news, economic developments, investor sentiment and sudden changes in buying or selling activity.
When prices are moving quickly, the displayed market price may change before an order is executed.
This is particularly relevant during sharp rallies, market crashes or major announcements.
- Low Liquidity
Liquidity refers to how easily an asset can be bought or sold without causing a significant price movement.
Large cryptocurrencies generally have deeper liquidity than many smaller tokens. A low-liquidity cryptocurrency may have relatively few buyers and sellers at nearby price levels.
As a result, even a moderately sized order can cause a noticeable difference between the expected and actual execution price.
- Large Orders
Order size can also influence slippage.
Suppose an order book has 1,000 tokens available at $10 but the trader wants to purchase 5,000 tokens.
The first 1,000 tokens may be purchased at $10, but the remaining tokens may need to be matched with sellers offering higher prices.
The trader’s final average execution price could therefore be higher than the initial market price.
How Slippage Works on Centralized Exchanges
Centralized cryptocurrency exchanges generally use order books containing buy and sell orders.
A market order is matched against the available orders in the order book.
If sufficient liquidity exists close to the current price, slippage may be relatively small.
If the order book is thin, a large order can consume multiple price levels.
For example:
| Available Tokens | Sell Price |
| 1,000 | $10.00 |
| 1,500 | $10.05 |
| 2,000 | $10.15 |
A trader purchasing 4,500 tokens would need to match orders at several prices rather than buying everything at $10.
This is one way slippage can occur.
Slippage on Decentralized Exchanges
Slippage can also occur on decentralized exchanges (DEXs), although the mechanics may differ.
Many DEXs use automated market makers (AMMs) and liquidity pools rather than traditional order books.
The price of a token can change depending on the amount of liquidity available in the pool and the size of the transaction.
A large transaction relative to the pool’s liquidity can produce greater price impact.
Market conditions can also change between the time a transaction is submitted and the time it is confirmed on the blockchain.
What Is Slippage Tolerance?
Slippage tolerance is the maximum price movement a trader is willing to accept before a transaction is rejected.
For example, a trader may set a slippage tolerance of 0.5%.
This generally means the transaction should execute only within the permitted price range. If the price moves beyond the specified tolerance before execution, the transaction may fail instead of executing at a significantly worse price.
The exact mechanics vary between platforms and protocols.
Setting the tolerance too low can result in failed transactions, particularly during volatile conditions. Setting it unnecessarily high can expose traders to unfavorable execution prices.
Positive and Negative Slippage
Slippage is not always harmful.
Negative Slippage
Negative slippage occurs when the trader receives a worse price than expected.
For example, a trader expects to purchase a token at $50 but the order executes at $50.50.
Positive Slippage
Positive slippage occurs when the final execution price is better than expected.
For example, a trader expects to buy at $50 but the transaction executes at $49.80.
In everyday crypto trading discussions, however, “slippage” often refers specifically to an unfavorable difference in execution price.
How Can Traders Reduce Crypto Slippage?
There is no way to eliminate slippage completely, but traders can take several steps to potentially reduce it.
Use Limit Orders
A limit order allows traders to specify the price at which they are willing to buy or sell.
For example, a trader could place a buy limit order at $100 instead of accepting whatever price is available through a market order.
This can provide greater price control, although there is no guarantee that the order will be filled.
Trade More Liquid Assets
Trading cryptocurrencies and pairs with stronger liquidity can potentially reduce slippage.
Highly liquid markets generally have more orders available around the current market price.
However, liquidity can vary between exchanges and trading pairs, so traders should examine the specific market rather than relying only on the cryptocurrency’s overall popularity.
Avoid Large Market Orders
Large market orders can consume multiple levels of an order book or significantly affect a liquidity pool.
Some traders divide large orders into smaller transactions to reduce immediate market impact.
This approach does not guarantee better execution, but it can sometimes help manage price impact.
Check the Order Book
Before placing a large trade, traders can examine the order book to understand how much liquidity exists near the current price.
A thin order book may indicate that a large order could experience greater slippage.
Choose the Right Trading Time
Market liquidity and volatility can change throughout the day.
During periods of unusually high volatility, prices can move rapidly and slippage may increase.
When a transaction is not urgent, waiting for more stable market conditions may provide more predictable execution.
Set DEX Slippage Tolerance Carefully
Users of decentralized exchanges should check their slippage tolerance before confirming a transaction.
A very high tolerance can allow a trade to execute at a much worse price than expected.
A very low tolerance may cause the transaction to fail if market conditions change.
The appropriate setting depends on the token, liquidity, transaction size and current market conditions.
Slippage vs Trading Fees
Slippage and trading fees are two different costs.
Trading fees are charges imposed by an exchange or platform for executing a transaction.
Slippage is the difference between the expected and actual execution price.
For example, a trader could pay a low exchange fee but still experience substantial slippage when trading a low-liquidity token.
Therefore, traders should consider both costs when calculating the real expense of a cryptocurrency transaction.
Why Slippage Matters for Short-Term Traders
Slippage can be particularly important for day traders and other short-term traders.
If a trader makes many transactions, even small unfavorable price differences can accumulate over time.
For example, a trader might make a strategy appear profitable based on the quoted market price but discover lower actual returns after accounting for trading fees and slippage.
This makes execution quality an important consideration when evaluating a trading strategy.
Why Small-Cap Tokens Can Have Higher Slippage
Smaller cryptocurrencies often have lower trading volumes and thinner liquidity than major digital assets.
A trader may therefore encounter a larger difference between the quoted price and actual execution price.
This is especially important when the order is large compared with the token’s available liquidity.
A token’s low unit price does not necessarily mean it is inexpensive to trade.
Final Thoughts
Crypto slippage is the difference between the price a trader expects and the price at which a cryptocurrency transaction is actually executed. It can be caused by volatility, insufficient liquidity, large orders, order-book conditions and changing prices on decentralized exchanges.
Traders can potentially reduce slippage by using limit orders, choosing liquid trading pairs, checking order books, avoiding unnecessarily large market orders and setting appropriate slippage tolerance on decentralized exchanges.
However, reducing slippage does not eliminate cryptocurrency trading risk. Market volatility, trading fees, liquidity conditions and other factors can still affect profitability.
For this reason, traders should consider both the quoted price and the expected execution cost before placing a cryptocurrency trade. Understanding slippage is a small but important part of responsible crypto trading and can help traders make more informed decisions.
