Funding Rate Calculator

Estimate the cost (or income) of holding a perpetual futures position over time. Understand how funding rates affect your profitability before entering a trade.

Funding Parameters
Enter your position details and holding period to estimate funding costs

Your direction determines whether you pay or receive funding. With a positive funding rate, longs pay shorts.

The total notional value of your position

$
This is the full position value, not just your margin. For example, $1,000 margin at 10x = $10,000 position.

The funding rate percentage per 8-hour period

%
Check the current funding rate on your exchange. Typical rates range from -0.1% to 0.1%. Use negative values when shorts pay longs.

How many days you plan to hold the position

days
Funding costs accumulate over time. Longer holds = more funding payments.

Leverage used for the position (affects margin calculation)

x
Leverage determines your margin. Higher leverage means funding costs are a larger percentage of your margin.

Enter your position details above to estimate funding costs

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Understanding Funding Rates and Holding Costs

Perpetual futures contracts do not have an expiry date, unlike traditional futures. To keep the perpetual price aligned with the underlying spot price, exchanges use a funding rate mechanism. This is a periodic payment between long and short traders that incentivizes the market to maintain price parity.

When the perpetual price trades above the spot price (indicating bullish sentiment), the funding rate is positive, and long traders pay short traders. When the perpetual price trades below spot (bearish sentiment), the rate goes negative and shorts pay longs. This creates a natural incentive for traders to take the less popular side.

On most exchanges including Hyperliquid, funding is settled every 8 hours, meaning there are 3 funding periods per day. The funding payment for each period equals your position size multiplied by the funding rate. Over time, these payments can significantly impact your trade's profitability, especially for positions held for days or weeks.

Bullish Market (Positive Rate)

Longs pay shorts. If funding is 0.05% per 8h on a $50,000 position, longs pay $25 every 8 hours ($75/day). This incentivizes traders to open shorts.

Bearish Market (Negative Rate)

Shorts pay longs. If funding is -0.03% per 8h on a $50,000 position, shorts pay $15 every 8 hours ($45/day). This incentivizes traders to open longs.

Related Trading Tools

Use our other free tools to complete your trade analysis. Calculate position sizes based on risk, or check your liquidation price before entering a trade.

Frequently Asked Questions
Common questions about funding rates and holding costs

Risk Warning

This calculator provides estimates based on a constant funding rate. Actual funding rates fluctuate with market conditions and can change significantly between periods. Past funding rates do not guarantee future rates. Trading perpetual futures involves substantial risk. Always verify current funding rates on your exchange and never trade with money you cannot afford to lose.