The Complete Guide to Crypto Perpetual Futures for Beginners
Perpetual futures are the most widely traded derivative in crypto. Unlike traditional futures that expire on a specific date, perpetual contracts have no expiry — they can be held indefinitely. This guide covers everything a beginner needs to understand about how they work, how they are priced, and what risks they carry.
What Is a Perpetual Future?
A perpetual future is a derivative contract that allows you to speculate on the price of an asset without actually owning it. You can go long (bet the price will go up) or go short (bet the price will go down), and you can use leverage to amplify your position size.
The key innovation is that these contracts never expire. Traditional futures contracts settle on a specific date, which forces the contract price to converge with the spot price. Perpetual futures achieve this convergence through a different mechanism: funding rates.
How Funding Rates Keep Perpetuals Priced Correctly
Without an expiry date, there is no natural force pushing the perpetual contract price toward the underlying spot price. Funding rates solve this problem by creating a financial incentive for alignment.
When the perpetual price trades above the spot price, the funding rate is positive. This means long position holders pay short position holders every funding interval (typically every 8 hours). This payment makes it expensive to stay long when the contract is overpriced, which encourages some traders to close their longs or open shorts, pushing the contract price back toward spot.
When the perpetual trades below spot, funding is negative — shorts pay longs. This creates the opposite incentive.
The Components of a Funding Rate
Most exchanges calculate funding as the sum of two components:
1. Interest Rate Component
This is typically a fixed rate. On Binance, it defaults to 0.01% per 8 hours (roughly 0.03% per day or 11% annualized). This component exists because in traditional finance, holding a futures position implicitly involves borrowing — you are borrowing to buy the asset (if long) or borrowing the asset to sell (if short).
2. Premium Index Component
This component reflects the difference between the perpetual contract price and the spot price. When the perpetual trades at a significant premium to spot, this component increases, making funding more positive (longs pay more). When it trades at a discount, the component decreases or goes negative.
Leverage: The Double-Edged Sword
Perpetual futures allow leverage, meaning you can open a position larger than your deposited margin. On many exchanges, leverage ranges from 1x to 125x.
Example: With 10x leverage and $1,000 of margin, you can open a $10,000 position. If the price moves 10% in your favor, you earn $1,000 (100% on your margin). If it moves 10% against you, you lose $1,000 — your entire margin.
Leverage Reality Check
- 1x leverage: Same as spot. No liquidation risk from leverage itself.
- 5x leverage: A 20% adverse move liquidates you.
- 10x leverage: A 10% adverse move liquidates you.
- 20x leverage: A 5% adverse move liquidates you.
- 50x leverage: A 2% adverse move liquidates you.
- 100x leverage: A 1% adverse move liquidates you.
In crypto, where 5-10% daily moves are common during volatile periods, high leverage is extremely dangerous. Most experienced traders use 1-5x leverage for swing trades and rarely exceed 10x even for short-term trades.
Margin and Liquidation
When you open a leveraged position, you deposit margin (collateral). The exchange monitors your position against the current price. If your unrealized loss exceeds your initial margin minus the maintenance margin, the exchange forcibly closes your position — this is a liquidation.
Liquidations are not optional. You cannot negotiate or appeal. They happen automatically and are visible in market data as “forced orders” on the exchange.
Choosing a Perpetual Contract
Not all perpetual contracts are the same. When evaluating which contract to trade, consider:
- Liquidity: Higher volume means tighter spreads and easier entries/exits.
- Funding cost: Check the current and recent funding rate history before opening a position.
- Exchange reliability: Trade on exchanges with a track record of handling volatility without downtime.
- Contract size: Some contracts are quoted in USD, some in coin. Understand the settlement currency.
- Max leverage: Higher maximum leverage does not mean you should use it. It often indicates higher risk.
Before You Start: Pre-Trade Checklist
- Do you understand how funding rates affect your position cost?
- Have you checked the current funding rate on the Funding Alerts terminal?
- Is your leverage appropriate for the current market volatility?
- Do you have a stop-loss in place?
- Can you afford to lose the full margin amount?
- Have you verified the contract specifications on your exchange?
For ongoing learning, visit the Learn hub for detailed guides on funding rates, open interest, and liquidations.