A Perpetual Futures contract is a crypto derivative whose key difference from traditional futures is that it has no expiry date. Traditional futures settle and deliver on a set date; perpetuals never do, so you can hold the position indefinitely. They let you use Leverage to go long (bet on a rise) or short (bet on a fall), controlling a large position with a small amount of Margin. To keep the contract price from drifting far from the real spot price, they use a mechanism called the Funding Rate, which periodically transfers money between longs and shorts to pull the contract price back toward spot.
Traditional futures have expiry dates, which is a hassle for anyone wanting to bet on direction long-term — you periodically have to roll over, closing the near-expiry contract and opening a later one, adding cost and Slippage. Perpetual Futures remove that hassle: open a position and you never worry about expiry. But having no expiry creates a new problem — the contract price can slowly drift from spot. The Funding Rate exists to solve exactly this: it makes the more expensive side pay the cheaper side, using economic incentives to pull the price back, replacing the anchoring role that expiry settlement used to provide.
Once you understand Perpetual Futures, how you view a position changes. First, your cost isn't just entry and exit fees — there's also a Funding Rate settled every few hours, and on a long-held directional bet, funding alone can eat a meaningful chunk of your capital. Second, Leverage isn't a free magnifier; it equally amplifies your Liquidation risk — a small adverse move can zero out your Margin. Third, the funding rate is itself a sentiment indicator: persistently high funding means the market is overly long, often a warning sign of a reversal.
If you're new, start with the lowest Leverage (1-2x) to get familiar with the interface and how the Liquidation price is calculated — don't jump to 20x. Before every order, check three things: where your liquidation price sits, the current Funding Rate, and when the next settlement is. If you're bullish on a coin long-term, buying spot beats paying funding on a perpetual; perpetuals suit directional trades with a clear time horizon. Finally, always set a stop-loss and only risk money you can afford to lose, because in a leveraged market, surviving matters more than landing one big win.
Suppose BTC spot is $60,000 and you're bullish. You open a 10x long with 1,000 USDT, controlling a $10,000 position (about 0.167 BTC). If BTC rises to $66,000 (+10%), your position gains $1,000 — that's +100% on your margin. But if BTC falls to roughly $54,600 (-9%), your 1,000 USDT margin approaches zero and you get liquidated. Meanwhile, if funding is +0.01% every 8 hours, you also pay about $3 a day ($10,000 × 0.03%) to the shorts.
Perpetual futures let you go long or short with leverage and no expiry, but the cost is that the funding rate continuously erodes your holding cost, and leverage equally amplifies your risk of forced liquidation.