The Funding Rate is an important concept in perpetual futures trading, it is very often used in the cryptocurrency market. It is important to maintain a price alignment between perpetual futures contracts and the spot market.
Traditional futures have an expiration date, but perpetual contracts don’t have it. Traders who hold long positions exchange funding payments who hold short positions to ensure the price of perpetual contracts stays close to the spot price.
Traders who trade on such platforms as Binance, Bybit, or OKX shall understand how the funding rate works because it impacts the costs of trading. It also creates more opportunities that are not available in traditional finance. This is why the funding rate is very important for crypto trading.
Main Concepts of the Funding Rate
What is the Funding Rate?
The Funding Rate is a recurring payment made between traders based on the difference between the perpetual futures price and the spot market price. This rate may be positive or negative; it depends on the market conditions, and it determines who pays whom:
- If the rate is positive, longs pay shorts.
- If the rate is negative, shorts pay longs.
These payments are not collected by the exchange, they are directly exchanged between traders.
How Is the Funding Rate Calculated?
Different platforms can calculate the funding rate in different ways. But the main components of the formula include the following:
- Interest Rate Differential: This is a fixed component that shows the difference in interest between holding a fiat currency and a crypto asset.
- Premium Index: This is a dynamic component that measures how far the perpetual contract’s price has deviated from the spot price.
- The Funding Rate = Interest Rate ± Premium Index. It is normally calculated every 8 hours. In exchanges as Binance and Bybit, you can see the countdowns for the next funding interval.
Funding Rate vs. Interest Rate
An interest rate in traditional finance refers to borrowing or lending costs. The Funding Rate exists only as a market mechanism. It's not charged by a broker or bank, it is just a tool that helps to keep futures and spot markets aligned.
Purpose of the Funding Rate
Perpetual contracts have no expiration date. This is why their price can move a lot from the spot price. The funding rate allows traders to restore the balance.
When perpetual prices are higher than spot, the rate is positive. It encourages shorts and discourages longs.
When perpetual prices are lower than spot, the rate is negative. It encourages longs.
The funding rate keeps the perpetual futures market in sync with reality.
How the Funding Rate Works
At regular intervals (normally, those are every 8 hours), traders with open positions either receive or pay funding. In a bullish market, many traders open long positions and push the futures price above spot. As a result, longs pay shorts.
In a bearish market, futures may trade below spot, and shorts pay longs.
This exchange happens automatically. Ït is proportional to the trader's position size. For example, if you opened a long position with 1 BTC in a contract with a 0.01% funding rate, you’ll pay 0.0001 BTC at the next interval.


