What Is a Basis Trade? How to Execute It in Crypto Markets
A basis trade's core operation is buying the asset in the spot market while simultaneously shorting an equal amount in the futures market, capturing the premium of futures over spot. This profit is locked in at entry and is independent of price movements.
A leading global cryptocurrency platform,suitable for both beginners and experienced traders.
New user benefit: 20% off trading fees upon registration!！
1. Prerequisite: Understanding What You're Earning
The "basis" is the futures price minus the spot price. When futures are more expensive than spot (positive basis, i.e., contango), you execute a "cash-and-carry" arbitrage: buy spot, sell futures. When futures are cheaper than spot (negative basis, i.e., backwardation), the logic reverses: sell spot or borrow to short, while buying futures.
This strategy works because futures prices must converge to the spot price at expiration. Your profit is the basis locked in at entry—for example, BTC spot at $100,000, quarterly futures at $101,000, the $1,000 basis is your gross profit.
2. Step 1: Finding Suitable Spread Opportunities
Not every spread is worth trading. You need to annualize the return and subtract costs to see if it's worthwhile.
What to do: Compare the price of the same asset on the spot and futures markets, and calculate the annualized basis yield.
How to do it:
Annualized yield formula: (Basis / Spot Price) × (365 / Days to Expiry) × 100%.
Example: ETH spot at $3,000, futures expiring in 90 days at $3,060, basis $60. Annualized yield = ($60/$3,000) × (365/90) ≈ 8.1%. This is gross, before fees and funding costs.
When you're done: You've found a trading pair whose annualized yield at least covers all your costs. According to market data, BTC basis annualized yields have dropped from highs (~17%) to around 5% recently, barely covering funding costs.
3. Step 2: Opening Both Legs Simultaneously (Long Spot + Short Futures)
This is the crucial step: simultaneously buy spot and short futures. If there's a gap, price fluctuations will break your "market neutrality."
Case A: Using stablecoin capital (most common)
On your exchange (e.g., Binance, OKX), use USDC or USDT to buy the spot asset (like BTC).
On the same platform or another, open an equivalent short position in that asset's perpetual or quarterly futures. Perpetual contracts anchor to spot via the funding rate mechanism, suitable if you don't want to roll over. Quarterly contracts have a clear expiry and lock in the basis more definitely.
Case B: Using existing spot holdings (spot as margin)
If you already hold BTC spot, simply short BTC perpetual or quarterly contracts to lock in the current basis. No additional spot purchase is needed.
Risk warning: This is a two-legged position. If you operate on two different exchanges and something goes wrong on platform A (e.g., withdrawal freeze, outage), your hedge breaks and you're left with a one-sided exposure.
4. Step 3: Managing the Position Until Expiry or Early Exit
After opening, you don't care about price swings, but you must manage a few variables.
What to do:
Monitor funding rates: If you're shorting via perpetual contracts and the funding rate is positive (longs pay shorts), you earn extra money. If it turns negative, you pay. This affects your actual return.
Manage margin: When the price rises sharply, your short futures position shows an unrealized loss, increasing the required margin. You need to top up promptly to avoid liquidation. When price falls, spot shows a loss but futures show a gain—overall value stays unchanged, though futures margin requirements decrease.
Hold to expiration: The ideal is holding until the futures contract expires, letting the basis naturally go to zero, and pocketing the full profit.
When you're done: Both legs are open, margin is sufficient (recommend a 20%-30% buffer), and you've set price alerts to monitor margin status.
5. Step 4: Closing the Position
At expiration, futures and spot prices converge. Simply close both sides.
Closing operation: Around expiration, sell the spot asset and close the short futures position. After offsetting gains and losses, the remaining positive amount is the basis locked in at entry.
Common failure reason: Underestimating capital ties and fees. This trade requires capital on both spot and futures sides, so capital is tied up. Plus two-way fees, if the basis isn't wide enough, you might break even or lose money.
FAQ
Q: Is a basis trade truly "risk-free"? No. The biggest risk is counterparty risk—your money sits on an exchange. If the exchange fails (e.g., FTX), both spot and futures positions go to zero, and there's no hedge. Second, during extreme volatility, exchanges may raise margin requirements. If you can't add margin in time, the short leg could be liquidated, breaking the hedge.
Q: How do funding rates in perpetual contracts affect basis trades? If you use a perpetual contract instead of a quarterly contract to short, the funding rate becomes your holding cost or extra income. When the market is in contango, funding rates are usually positive, meaning you receive payments from longs, boosting returns. But funding rates settle every 8 hours and are volatile; in extreme cases they can turn negative, making you pay.
Q: Is BTC basis trading still worthwhile now (2026)? Spreads are shrinking sharply. In 2025, BTC basis annualized yields reached 17% but have fallen to about 5% by early 2026, barely covering funding costs and trading fees. CME Bitcoin futures open interest has also dropped from a high of $21 billion to below $10 billion, signaling institutions are pulling back from this strategy. Carefully calculate all costs before entering now.
A leading global cryptocurrency platform,suitable for both beginners and experienced traders.
New user benefit: 20% off trading fees upon registration!！
Next Steps
After completing the trade, immediately check the trade confirmations for both legs to ensure quantities match. Then offset the profit/loss from the futures side against the spot side to confirm the net result matches expectations. Also record the total costs of this trade (fees + funding rate payments) for future evaluations of whether it's worth participating.
