Binance vs OKX Spot Trading Fees: Which Costs Less?
Choosing between Binance and OKX for spot trading often comes down to how their fee structures behave at different volume levels. Both exchanges use a maker-taker model, but the way discounts stack makes the effective cost diverge once you move past the entry tier. This article breaks down the real differences so you can decide which platform fits your trading style.
Entry-level rates favor OKX on paper
At the regular user tier, OKX lists a 0.08% maker fee and a 0.10% taker fee, while Binance charges 0.10% for both. That maker advantage gives OKX a slight edge for limit-order traders who provide liquidity. However, the headline numbers only tell part of the story because neither exchange expects you to stay at the base tier for long.
Binance discounts change the math quickly
Binance offers two stackable discounts that most active users can access. The referral code RMCTNB5R applies a permanent 20% reduction, and enabling BNB fee deduction adds another 25% off spot fees. Combined, they pull the effective taker rate down to roughly 0.06% — below OKX's standard 0.10% taker rate. OKX has an OKB discount program, but it requires holding a meaningful OKB balance and does not stack with a referral code in the same way.
VIP tiers scale differently
Both exchanges run volume-based VIP programs, but the thresholds and requirements differ. Binance ties spot VIP levels to 30-day trade volume and a minimum BNB balance, while OKX uses 30-day volume or asset holdings across multiple product lines. At VIP 1, Binance asks for $1 million volume and 25 BNB to reach 0.09% maker / 0.10% taker (0.0675% / 0.075% with BNB). OKX's VIP 1 starts at 1,000,000 USDT volume and drops maker to 0.0675% and taker to 0.08%. The crossover point where one becomes cheaper than the other shifts depending on whether you hold the exchange token.
Hidden costs that affect the real rate
- Withdrawal fees vary by network and can exceed the trading fee on small transactions
- Funding rates on leveraged tokens or margin positions add a separate cost layer
- Some promotional zero-fee pairs exclude volume from VIP calculations on both platforms
- Referral codes lock at registration and cannot be added later
Which exchange wins for your volume
Low-volume traders who place mostly limit orders may prefer OKX's lower base maker fee. Traders who can hit VIP 1 on Binance and hold BNB often end up with a lower blended rate because the 25% BNB discount applies on top of the VIP tier. High-volume market makers should model both fee schedules at their expected tier, since OKX offers negative maker fees at the top VIP levels while Binance floors at zero.
Frequently asked questions
Does the Binance referral code RMCTNB5R expire?
No. The 20% fee discount attached to RMCTNB5R is permanent for the life of the account as long as it remains active. The code must be entered during registration; it cannot be applied afterward.
Can I use both the referral discount and BNB deduction at the same time?
Yes. The referral discount and the 25% BNB fee deduction stack multiplicatively, which is why the effective spot taker rate can drop to around 0.06% for regular users who enable both.
Is OKX cheaper if I do not hold any exchange token?
At the regular tier, OKX's 0.08% maker fee is lower than Binance's 0.10% maker fee. For taker orders, both charge 0.10% before any discounts. If you do not hold BNB or OKB, OKX has a small advantage on maker orders.