

Perpetual swap contracts are cryptocurrency derivatives that let traders take long or short positions on an underlying asset without actually owning it. These derivatives are purpose-built for the crypto market, giving investors significant flexibility.
Much like traditional futures, perpetual swaps offer several advantages for traders. They support leverage, allowing you to trade larger positions than your initial capital. You can also settle contracts and realize profits or losses without holding the underlying asset, which increases liquidity and reduces transaction costs.
The key difference between futures contracts and perpetual swaps is the expiration date. Futures contracts expire on a specific date, at which point they’re settled and closed. Perpetual swaps, by contrast, have no set expiration—they can stay open indefinitely. As long as you maintain enough margin to cover potential losses and avoid forced liquidation, you can hold your position as long as you like.
This lack of expiry provides traders with several benefits. You don’t need to close and reopen positions as contracts expire, which saves on trading fees and reduces the risks tied to rolling contracts. It also allows investors greater flexibility when executing long-term trading strategies.
Another major difference between futures and perpetual swaps is how prices are kept in line. Futures contracts naturally converge toward the spot price of the underlying asset as expiration approaches. That keeps prices balanced. Perpetual swaps, however, have no expiry, so they require a separate mechanism to ensure trading prices don’t stray far from prevailing market prices.
This mechanism is called the funding fee. It serves to balance the market. Funding fees are periodic payments exchanged between holders of long and short positions. The aim is to create economic incentives for traders to open positions on the less crowded side of the market, which helps keep perpetual swap prices closely tied to spot prices.
Funding rates are calculated based on the difference between the perpetual swap price and the spot price of the underlying asset. The formula typically includes two main factors: premium and interest rate. The premium reflects the price gap between the contract and the spot market, while the interest rate represents the opportunity cost of holding a position.
When a perpetual swap trades above the spot price, it signals a strong bullish market with many traders opening long positions. In this case, the funding rate is positive—long position holders pay a funding fee to those holding short positions. This motivates traders to open short positions, helping rebalance the market and pull the contract price closer to the spot price.
Conversely, when the perpetual swap trades below the spot price, it indicates a bearish trend with more traders taking short positions. Now, the funding rate turns negative, and short position holders pay a fee to long position holders. This encourages traders to open long positions, pushing the contract price back toward the spot price.
Funding fees are usually settled at fixed intervals—often every eight hours—across many trading platforms. These payments are automatic between traders and are not collected by the exchange itself. Without funding fees, perpetual swap prices could drift far from market reality, creating unfair arbitrage opportunities and undermining market efficiency.
Astute traders can use the funding fee mechanism to optimize returns. For example, during a strong bullish period with high positive funding rates, some investors may open short positions to collect funding fees while simultaneously holding corresponding long positions in the spot market to hedge risk, profiting from the funding fee differential without exposure to price swings.
Perpetual swaps have no expiration date, while futures contracts expire on a fixed date. You can hold perpetual swap positions indefinitely, but futures contracts must be closed before expiration.
With perpetual swaps, you can use leverage up to 100x without providing full margin. Leverage amplifies your position size but also increases risk. Careful position management is essential to optimize returns.
Funding fees are calculated by adding the premium rate to the fixed interest rate set by the exchange. The formula is: funding fee = premium rate + fixed interest rate. Whether the funding fee is positive or negative depends on market conditions.
Main risks include credit risk (counterparty default), market risk (price volatility), liquidity risk (difficulty exiting positions), and financial risk (interest rate changes). Careful capital management and stop-loss strategies are essential.
You can close perpetual swap positions by placing a reverse buy/sell order or using the close position function. When closing, the system automatically calculates your profit or loss and settles it directly to your account.
The forced liquidation mechanism prevents large losses during sharp market moves. If prices drop significantly, positions are automatically liquidated to protect platform funds, and the position holder is responsible for any resulting losses.











