What is a Basis Trade?
A basis trade is a market-neutral strategy that profits from the difference between an asset's spot price and its futures or perpetual price. The basis is the premium or discount of the derivative relative to spot. Basis trading captures this spread while hedging out directional price exposure.
Understanding Basis
In crypto markets, futures and perpetuals typically trade at a premium to spot when market sentiment is bullish. This premium reflects the cost of leverage and market expectations. The basis is calculated as: Basis equals Futures Price minus Spot Price divided by Spot Price.
A positive basis with futures above spot is called contango. A negative basis with futures below spot is called backwardation.
Basic Basis Trade Mechanics
The classic basis trade involves buying the spot asset and simultaneously shorting the futures or perpetual at a premium. As expiration approaches for futures or through funding payments for perpetuals, the basis converges, and the trader profits from the spread.
Example: If BTC spot is $50,000 and the perpetual is at $50,500 representing a 1% premium, you buy spot and short perp. As the prices converge, you capture approximately 1% profit regardless of whether BTC goes up or down.
Perpetual Basis and Funding
For perpetual futures, the basis trade works through funding rates. When perpetuals trade at a premium, longs pay shorts through funding. A spot long plus perp short position collects funding payments while being hedged against price movement.
Risks of Basis Trading
While considered low-risk, basis trades carry several risks. Liquidation risk occurs if the short position moves against you faster than the spot position compensates, especially with leverage. Funding rate changes mean perpetual funding can flip, causing losses.
Basis Trade Returns
Returns depend on market conditions. In bullish markets with high basis, annualized returns can reach 30-50% or more. In neutral or bearish conditions with low or negative basis, returns are minimal.