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What Is a Funding Fee in Crypto? (Perpetual Funding Rate Explained)

A funding fee is a small payment exchanged between long and short traders on perpetual futures, usually every eight hours. It keeps the perpetual price anchored to the spot price. Depending on which side you are on and whether the rate is positive or negative, holding a leveraged position can cost you or pay you.

Why Does Funding Exist?

A perpetual future is a contract that tracks the price of a coin but never expires. To stop the contract price from drifting away from the real spot price, exchanges use a funding mechanism. When traders are heavily long, the perpetual trades above spot, so longs pay shorts to bring it back down. When traders are heavily short, shorts pay longs.

The exchange itself does not collect this payment — it moves directly from one side of the market to the other. This is the key difference from a trading fee, which the exchange keeps.

Simple rule: If the funding rate is POSITIVE, long positions pay short positions. If the funding rate is NEGATIVE, short positions pay long positions. A persistently positive rate signals a crowded long market — and a steady cost for anyone holding a long.

How to Calculate Funding Cost

The funding payment is simply your position value multiplied by the funding rate at each interval. Exchanges publish the current and predicted rate on every perpetual market page.

Formula
Funding payment = Position value × Funding rate
Example: $10,000 long, funding rate +0.01%, held over 5 intervals
$10,000 × 0.0001 × 5 = $5.00 total funding cost

Note that the position value is the leveraged size, not your margin. A $1,000 margin at 10× leverage controls a $10,000 position, so funding is charged on the full $10,000.

Funding Intervals

Most exchanges settle funding every eight hours, giving three funding events per day. Some fast-moving markets use one-hour or four-hour intervals. You pay or receive funding only if you hold the position at the funding timestamp — traders who close just before it can avoid the charge.

For positions with a persistently negative-for-you funding rate, this is an important cost to factor in. Traders who hold leveraged positions for days should calculate the daily and weekly funding cost before entering.

Spot vs Perpetual — Avoiding Funding

If you simply want exposure to a coin without leverage, spot trading has no funding fee at all — you buy the coin and own it. Funding is the cost of the perpetual contract and its leverage. Long-term holders who do not need leverage almost always prefer spot for this reason.

Some traders also run a delta-neutral "funding harvest": holding spot and shorting the perpetual to collect a positive funding rate. This is an advanced strategy with its own risks. Use our free exchange check tool to check whether a specific exchange offers perpetual futures and what its funding intervals are.

Funding vs Trading Fee — Which Costs More?

For short-term traders who open and close within one funding interval, the trading fee is the dominant cost — they pay no funding at all. For traders who hold leveraged positions for days or weeks, funding can easily exceed the trading fee.

Holding periodDominant costTip
Seconds–hours (intraday)Trading feeFocus on low taker fees
1–3 daysTrading fee + some fundingCheck both fee and funding rate
1–4 weeksFunding often > feeCalculate weekly funding before entering
MonthsFunding dominantConsider spot instead of perpetual

Frequently Asked Questions

What is a crypto funding fee?

A funding fee is a periodic payment exchanged directly between traders holding perpetual futures, typically every eight hours. When the rate is positive, longs pay shorts; when negative, shorts pay longs. The exchange does not keep it.

How is a funding fee calculated?

Funding payment = Position value × Funding rate. For example, a $10,000 long at a 0.01% rate pays $1.00 per interval. Over a day with three intervals that is about $3.00. It is charged on the leveraged position size, not your margin.

How often is funding charged?

Most exchanges settle funding every eight hours, three times a day, though some use shorter intervals. You only pay or receive funding if you hold a perpetual position at the funding timestamp. Closing before it avoids the payment.

Do spot trades have funding fees?

No. Funding applies only to perpetual futures. If you buy and hold coins on the spot market, there is no funding cost. Check funding rates with our exchange check tool.

Last updated 2026-09-16. This article is for educational purposes only and does not constitute financial advice.