Funding Fee Calculator

Calculate exact funding fees for holding crypto perpetual futures. See annualized cost and break-even impact.

Funding Fee Calculator
Estimate total funding fees for holding a perpetual futures position.
Advertisement
728 × 90 — AdSense Unit

What is a Funding Rate?

In perpetual futures markets, there is no expiry date — unlike quarterly futures. To keep the perpetual contract price anchored to the spot price, exchanges use a funding rate mechanism: periodic payments between long and short traders.

When the market is bullish and longs outweigh shorts, the funding rate is positive — longs pay shorts. This incentivizes more shorts and fewer longs, pulling the price back toward spot. The reverse happens with negative funding.

The Funding Fee Formula

Funding Fee  = Position Notional × Funding Rate
Notional     = Position Size × Leverage
Periods      = Hold Duration (hours) / 8

Total Cost   = Fee per Period × Periods
Annual Rate  = Funding Rate × 3 × 365

Example: $10,000 position at 5× leverage, 0.05% funding rate, held 24 hours:

Notional    = $10,000 × 5 = $50,000
Fee/period  = $50,000 × 0.0005 = $25
Periods     = 24 / 8 = 3
Total       = $25 × 3 = $75
Annual rate = 0.05% × 3 × 365 = 54.75% APR

Funding Rate as a Market Signal

Extreme funding rates are one of the most reliable sentiment indicators in crypto. When funding exceeds 0.1% per 8h (109% annualized), the market is heavily long-biased — meaning traders are paying a large premium to hold longs. Historically, this has preceded sharp corrections as the leveraged longs get flushed out.

Negative funding (shorts paying longs) often appears near market bottoms when fear is dominant. It can be a contrarian signal that the downside is overdone.

Frequently Asked Questions

What is a funding rate in crypto?
A funding rate is a periodic payment between long and short traders in perpetual futures markets. When funding is positive, longs pay shorts. When negative, shorts pay longs. It keeps the perpetual contract price close to the spot price by incentivizing the minority side.
How often is funding paid?
Most major exchanges (Binance, Bybit, OKX) charge funding every 8 hours — typically at 00:00, 08:00, and 16:00 UTC. Some exchanges like Bybit USDC use hourly funding. dYdX uses an 8-hour rate paid continuously.
How is the funding fee calculated?
Funding Fee = Position Notional × Funding Rate. Position Notional = Position Size × Leverage. So if you hold a $5,000 position at 10× leverage, your notional is $50,000. At 0.01% funding rate: $50,000 × 0.0001 = $5 per 8-hour period.
Is a high funding rate bad?
A high positive funding rate means longs are paying a premium — it increases your cost of holding a long position. However, it also signals strong bullish sentiment, which can be a useful market indicator. Funding rates above 0.1% per 8h are considered elevated and often precede corrections.
How do I minimize funding fees?
Use limit orders to reduce taker fees. Close and reopen positions around funding settlement times if funding is high. Consider spot positions instead of perpetuals for long-term holds. Negative funding (when shorts pay longs) can actually make holding a long position more profitable.

Related Tools & Guides

Crypto Profit CalculatorLiquidation Price CalculatorAverage Entry CalculatorPosition Size CalculatorAll CalculatorsHow to Calculate Crypto Profit

For informational purposes only. Not financial advice.