Understanding Perpetual Contracts
Perpetual contracts are non-expiring futures contracts that differ from traditional weekly-settled futures. These contracts settle daily, with exchanges like OKX typically processing settlements 2-3 times per day. Before trading, understanding fee structures is essential—even on established platforms like OKX.
Daily Fee Structure for OKX Perpetual Contracts
Trading Fees
- Maker fees: 0.015%–0.02%
- Taker fees: 0.03%–0.05%
Funding Fees (Charged Every 12 Hours)
Collected at 10:00 and 22:00 UTC after contract settlements, funding fees apply only to open positions at these times.
Calculation Formula: Funding Fee (USD) = Contract Face Value × Position Size × Funding Rate
Key Notes:
- Positive funding rate: Long positions pay short positions.
- Negative funding rate: Short positions pay long positions.
- Funding Rate Range: Clamped between -0.25% and +0.25%.
Profit/Loss Calculation Guide
Realized P&L
- Buy Order:
Realized P&L = (Contract Face Value / Settlement Price – Contract Face Value / Avg. Exit Price) × Exit Qty
Example: Buying 2 BTC contracts at $500 and selling 1 at $1,000 yields +0.1 BTC. - Sell Order:
Realized P&L = (Contract Face Value / Avg. Exit Price – Contract Face Value / Settlement Price) × Exit Qty
Example: Shorting 10 contracts at $500 and covering 8 at $1,000 results in -0.8 BTC.
Unrealized P&L
- Long Position:
Unrealized P&L = (Contract Value / Settlement Price – Contract Value / Mark Price) × Open Qty
Example: Holding 6 long contracts with mark price at $600 (from $500 entry) shows +0.2 BTC. - Short Position:
Unrealized P&L = (Contract Value / Mark Price – Contract Value / Settlement Price) × Open Qty
FAQ Section
1. How often are funding fees charged?
Funding fees are applied twice daily at 10:00 and 22:00 UTC.
2. What’s the difference between maker and taker fees?
Makers (limit orders) pay lower fees (0.015%–0.02%) vs. takers (market orders) at 0.03%–0.05%.
3. Can funding fees be negative?
Yes. When negative, shorts pay longs instead of the typical opposite flow.
4. How is unrealized P&L calculated?
It reflects current paper gains/losses based on mark price vs. your entry price.
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5. Why do perpetual contracts need funding fees?
These periodic payments ensure contract prices stay aligned with spot market prices, avoiding large deviations.
6. How can I reduce my trading costs?
Use limit orders to qualify as a maker and benefit from lower fee tiers.
👉 Advanced tips for minimizing OKX perpetual contract costs
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