how do perpetual futures contracts work_0
how do perpetual futures contracts work_1

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Perpetual futures contracts are a type of derivative product that allows traders to speculate on the price movements of an underlying asset, such as cryptocurrencies, commodities, or stock indices, without having a fixed expiration date. These contracts have gained immense popularity due to their flexibility and ability to be traded indefinitely, providing traders with various opportunities for profit and risk management.

In this article, we will explore how perpetual futures contracts work, their key characteristics, and how they can be effectively utilized in trading strategies. Additionally, we will compare perpetual futures with traditional futures contracts and delve into the practical use cases of perpetual futures for both beginner and advanced traders.

What Are Perpetual Futures Contracts?

Unlike traditional futures contracts that have a set expiration date, perpetual futures contracts do not expire. They are designed to be held indefinitely, meaning traders can keep their positions open for as long as they desire, subject to margin and liquidation conditions. The price of perpetual futures contracts is closely linked to the spot price of the underlying asset, with the contract price typically staying in line with the asset’s spot price due to a mechanism known as the funding rate.

Key Characteristics of Perpetual Futures Contracts

  1. No Expiration Date: One of the most defining features of perpetual futures contracts is their lack of expiration. This gives traders the freedom to hold positions for an unlimited amount of time, unlike traditional futures contracts, which have a set settlement date.
  2. Funding Rate: To ensure the perpetual futures price remains close to the spot price of the underlying asset, exchanges implement a funding rate. This rate is exchanged between long and short positions at regular intervals (e.g., every 8 hours). If the perpetual futures price is higher than the spot price, long traders pay the funding rate to short traders, and vice versa.
  3. Leverage: Perpetual futures contracts allow traders to use leverage, enabling them to control larger positions with a smaller amount of capital. Leverage can amplify both profits and losses, making it crucial for traders to manage risk effectively.
  4. Mark Price: The mark price is used to prevent market manipulation and liquidations during price fluctuations. It’s an average price of the underlying asset from multiple exchanges, which prevents one exchange from influencing the futures price too much.
  5. Margin Requirements: Similar to other futures contracts, perpetual futures require traders to maintain a margin in their trading accounts. If the market moves against the trader’s position, they may be required to add more margin to avoid liquidation.

How Perpetual Futures Contracts Work in Practice

The operation of a perpetual futures contract is similar to that of traditional futures, but with several key differences. Here’s how they work in practice:

1. Opening a Position

Traders can either go long (buy) or go short (sell) on a perpetual futures contract. For a long position, the trader is speculating that the price of the underlying asset will rise. For a short position, the trader is betting on the price to fall.

2. The Funding Rate Mechanism

The funding rate is a critical component of perpetual futures. If the price of the perpetual contract is above the spot price, long traders pay the funding rate to short traders. If the price of the contract is below the spot price, short traders pay the funding rate to long traders. This mechanism helps keep the perpetual futures price in line with the spot price.

For example, if the price of Bitcoin is \(40,000, and the perpetual futures price is \)40,100, the funding rate might cause long positions to pay short positions, incentivizing the price of the contract to come down to match the spot price.

3. Leverage and Margin

Perpetual futures allow for leverage, meaning traders can control larger positions with a smaller amount of capital. For instance, if an exchange offers 10x leverage, a trader can open a position worth \(10,000 with just \)1,000 of margin. However, the use of leverage increases both the potential for gains and the risk of losses.

4. Mark Price and Liquidation

The mark price is used to prevent traders from being unfairly liquidated during times of high volatility. If the price of the underlying asset spikes or drops suddenly, the mark price ensures that the futures price doesn’t deviate too far from the true market price. If a trader’s position moves too far in the wrong direction and their margin is insufficient, their position will be liquidated to cover the loss.

5. No Expiration Date

Since perpetual futures do not have a fixed expiration date, traders can hold positions for as long as they like, provided they maintain the required margin. This is in contrast to traditional futures contracts, which require the trader to settle the contract at the expiration date.

Strategies for Trading Perpetual Futures Contracts

Perpetual futures can be used in a variety of trading strategies. Below are two common strategies that traders use to take advantage of perpetual futures contracts:

1. Hedging with Perpetual Futures

One of the most popular uses of perpetual futures is for hedging. Investors or traders holding an underlying asset (e.g., Bitcoin) might use perpetual futures to hedge against potential price drops.

  • Example: An investor holds 100 BTC and is concerned about the price declining. To hedge this risk, the investor can open a short position in perpetual futures. If the price of Bitcoin falls, the loss on the physical Bitcoin position will be offset by the profit made from the short futures position.

Advantages of Hedging with Perpetual Futures:

  • Protection Against Losses: Perpetual futures allow traders to hedge their positions and minimize losses from adverse price movements.
  • Flexibility: Traders can hold their positions for as long as they want without worrying about expiration dates.

Disadvantages:

  • Cost of the Funding Rate: The funding rate can add to the cost of the trade, especially if the futures price is above the spot price for an extended period.
  • Leverage Risk: Leverage can amplify losses, so traders must ensure they have adequate margin to maintain their positions.

2. Speculating on Market Movements

Traders often use perpetual futures to speculate on the price movements of an asset. Because of the ability to use leverage, traders can potentially generate significant returns by correctly predicting the price direction.

  • Example: A trader believes that the price of Ethereum will rise in the next week. The trader opens a long position in Ethereum perpetual futures with leverage, amplifying the potential return.

Advantages of Speculation with Perpetual Futures:

  • High Potential Returns: Leveraged positions can lead to significant profits if the market moves in the trader’s favor.
  • No Expiration Date: Traders can hold positions indefinitely, allowing them to wait for the market to move in their favor.

Disadvantages:

  • High Risk: Leveraged speculation can result in significant losses if the market moves against the trader.
  • Funding Rate Costs: Long positions may incur funding rate payments if the futures price is above the spot price, eroding potential profits.

Advantages of Perpetual Futures Contracts

  • Flexibility: No expiration date allows traders to maintain positions indefinitely.
  • Leverage: Traders can control larger positions with smaller amounts of capital.
  • Hedging: Effective for hedging against price fluctuations in the underlying asset.
  • Liquidity: Popular exchanges offer high liquidity for perpetual futures, enabling easy entry and exit from positions.

Disadvantages of Perpetual Futures Contracts

  • Funding Rate Costs: The funding rate mechanism can result in additional costs for long or short positions.
  • Risk of Liquidation: High leverage increases the risk of liquidation if the market moves against the trader’s position.
  • Complexity: Understanding the intricacies of perpetual futures, including the funding rate and margin requirements, can be complex for beginners.

FAQ: Common Questions About Perpetual Futures Contracts

1. How do perpetual futures differ from traditional futures contracts?

Perpetual futures contracts have no expiration date, unlike traditional futures contracts, which require settlement at a specific time. This makes perpetual futures more flexible for long-term positions, but they also introduce the complexity of the funding rate.

2. What is the funding rate, and how does it affect my position?

The funding rate is a periodic payment made between long and short positions to ensure the perpetual futures price stays close to the spot price of the underlying asset. If the funding rate is positive, long positions will pay short positions, and vice versa. This can impact profitability if the position is held for a long period.

3. How do I manage risk when trading perpetual futures?

To manage risk, traders should ensure they use appropriate leverage, set stop-loss orders, and regularly monitor their margin levels. Hedging with perpetual futures can also be an effective strategy for mitigating risk.


Perpetual futures contracts offer an exciting and flexible tool for traders to speculate on price movements and hedge risk. By understanding how these contracts work and employing effective strategies, traders can make the most of this powerful financial instrument.