How do Bybit funding rates work?

Bybit's funding rate aligns perpetual contract prices with spot markets, transferring payments between longs and shorts every 8 hours based on market conditions.

Aug 03, 2025 at 06:56 am

Understanding the Concept of Funding Rates on Bybit

Funding rates on Bybit are a mechanism designed to align the price of perpetual contracts with the underlying spot market price. Unlike traditional futures contracts that have an expiration date, perpetual contracts do not expire, which means there is no natural convergence point between the contract price and the spot price. To maintain this alignment, Bybit uses a periodic payment system known as the funding rate. This rate determines whether long position holders pay short position holders, or vice versa.

The funding rate is composed of two components: the interest rate component and the premium component. The interest rate part is typically negligible and often set to zero, especially for USDⓈ-M contracts where the quote currency is stablecoins. The premium component, however, is dynamic and reflects the difference between the perpetual contract price and the index price (a composite of spot prices from major exchanges). When the contract trades above the index price, the funding rate tends to be positive, meaning longs pay shorts. Conversely, when the contract trades below the index price, the funding rate becomes negative, meaning shorts pay longs.

How Funding Rates Are Calculated on Bybit

The funding rate formula used by Bybit combines the interest rate and premium index. The actual funding rate applied is the average of the premium index over a specified time window, adjusted to prevent manipulation. Bybit calculates the premium index every minute, and the final funding rate is derived from the average of these values over the funding interval.

• The premium index (P) is calculated as:
  P = max(0, (Impact Bid Price - Index Price) / Index Price) - max(0, (Index Price - Impact Ask Price) / Index Price)
  
  This measures the depth and slippage in the order book.

• The interest rate (I) is generally set to 0.01% for USDⓈ-M perpetuals, but this can vary.

• The funding rate (F) is then:
  F = P + clamp(I - P, 0.05%, -0.05%)
  
  The clamp function limits the deviation to prevent extreme rates.

This rate is updated every minute, but users are only charged or credited every 8 hours—at 00:00 UTC, 08:00 UTC, and 16:00 UTC. The actual rate applied is the average of the minute-level rates during the previous 8-hour window.

When and How Funding Payments Are Applied

Funding payments on Bybit occur three times per day at fixed UTC intervals. These intervals are predictable and transparent, allowing traders to anticipate when funding will be exchanged. The exact timestamps are:

• 00:00 UTC
• 08:00 UTC
• 16:00 UTC

At each of these moments, the system checks the average funding rate from the preceding 8-hour period. If the rate is positive, long position holders have funds deducted from their wallets and transferred to short position holders. If the rate is negative, the opposite occurs: shorts pay longs.

The amount paid or received is calculated as:
Payment = Position Value × Funding Rate

For example, if a trader holds a $10,000 long position and the funding rate is 0.01%, they will pay $1 to short holders at the next funding timestamp. This process is automatic and happens instantly across all open positions. Traders do not need to take any action—the system handles the transfer seamlessly.

Impact of Funding Rates on Trading Strategy

Funding rates can significantly influence trading decisions, especially for carry trades or arbitrage strategies. Traders who hold positions for extended periods must account for recurring funding costs or gains. A consistently high positive funding rate may discourage holding long positions, as the cumulative cost can erode profits.

• Traders may flip their position just before a funding timestamp to avoid paying funding. For example, closing a long and opening a short right before 08:00 UTC if the rate is positive.
• Some traders engage in funding rate arbitrage, opening opposing positions on different exchanges where funding rates diverge.
• High-frequency traders monitor the funding rate clock and adjust exposure dynamically to minimize costs.

It’s crucial to monitor the funding rate history, which Bybit displays on the contract page. A rate that is too high (e.g., above 0.1% per period) often signals extreme bullish sentiment and may precede a correction. Conversely, deeply negative rates can indicate oversold conditions.

How to Check Funding Rates on Bybit

Bybit provides real-time visibility into current and historical funding rates. To access this information:

• Navigate to the Derivatives section and select the desired perpetual contract (e.g., BTC/USDT).
• Look for the funding rate indicator near the price chart. It is displayed as a percentage.
• Click on the info icon or “Funding Rate” tab to view a detailed breakdown, including the next funding time.
• Use the historical funding rate data tab to see past rates over days or weeks.
• Enable funding rate alerts in settings to receive notifications when rates exceed a threshold.

Additionally, Bybit’s API allows developers to pull funding rate data programmatically. The endpoint https://api.bybit.com/v2/public/funding/prev-funding-rate returns the last settled rate for a given symbol. This is useful for bots that adjust positions based on funding conditions.

Common Misconceptions About Bybit Funding Rates

Many new traders misunderstand how funding rates affect their positions. One common error is assuming that funding rates are a fee charged by Bybit. In reality, Bybit does not collect these payments—funds are transferred directly between users. The exchange merely facilitates the process.

Another misconception is that funding rates are arbitrary. They are not. They are mathematically derived from market conditions, specifically the gap between contract and index prices. High demand for long positions pushes the contract price up, triggering positive funding to incentivize shorts and balance the market.

Some believe that funding rates only matter for large positions. However, even small traders can be impacted over time. A 0.01% rate per period compounds to 0.365% annually, which is significant for leveraged positions.

---

FAQs

What happens if I close my position before the funding time?

If you close your position before the funding timestamp (e.g., 08:00 UTC), you will not pay or receive any funding for that period. Only users with open positions at the exact moment of funding are affected.

Can funding rates be predicted?

While exact values cannot be guaranteed, funding rates can be estimated by observing the current contract premium over the index. If the perpetual is trading significantly above spot, expect a positive rate. Monitoring the funding rate history helps identify trends.

Do all Bybit contracts have funding rates?

No. Only perpetual contracts have funding rates. Traditional inverse futures and delivery contracts do not, as they settle at expiration and do not require price alignment mechanisms.

Is the funding rate the same for all perpetuals on Bybit?

No. Each perpetual contract has its own funding rate, determined by its individual market conditions. For example, BTC/USDT and ETH/USDT will have different rates based on their respective premiums and demand imbalances.