How MockApe calculates fees
MockApe charges three kinds of simulated fees on every paper trade: a 1% platform fee, a swap fee of 0.3% to 1.25% that depends on the token’s market cap, and the priority fee and tip you set yourself. No real money is charged. The fees exist so your paper PnL looks closer to what a real trade would leave you with.
What fees does MockApe charge?
Every buy and every sell pays three kinds of fees:
| Fee | How much | How it’s charged |
|---|---|---|
| Platform fee | 1% | Percentage of the trade, on Axiom, Padre and GMGN |
| Swap fee | 0.3% to 1.25% | Percentage of the trade, lower for bigger market caps |
| Priority fee and tip | Set by you (0.001 each by default) | Fixed amount per trade, in the chain’s native coin |
The platform fee and swap fee are percentages, so they grow with your position size. The priority fee and tip are flat, so they matter most on small trades.
How does the swap fee work?
The swap fee follows Pump.fun’s fee structure, where the rate drops as a token’s market cap grows. MockApe measures market cap in the chain’s native coin (SOL on Solana, for example), not in dollars, and checks it again on every buy and sell. A token you buy early and sell after it runs can pay a higher rate on the way in than on the way out.
| Market cap (native coin) | Swap fee |
|---|---|
| Under 420 | 1.25% |
| 4,420 to 9,820 | 1.00% |
| 24,560 to 29,470 | 0.80% |
| 49,120 to 54,030 | 0.55% |
| 98,240 and up | 0.30% |
These are sample rows. The rate steps down gradually across 25 tiers between them.
What does a trade cost in practice?
Say you buy 1 SOL of a token at a 5,000 SOL market cap, with the default priority fee and tip:
- The platform fee takes 1%: 0.01 SOL.
- The swap fee takes 1% of the remaining 0.99 SOL: about 0.0099 SOL.
- About 0.98 SOL goes into the token.
- The priority fee and tip add 0.002 SOL on top.
The buy takes 1.002 SOL from your balance and costs about 0.022 SOL in fees, a little over 2%. Selling charges fees again, so a round trip at this size costs roughly 4% before the price moves at all. Fees are included in your PnL, so a trade has to beat them to show a profit.
What about slippage and execution delay?
Slippage isn’t a fee, but it changes your fill. MockApe waits for a short execution delay (350 ms by default, adjustable up to 5 seconds) and fills at the price after the delay. If the price has moved against you by more than your slippage limit (30% by default), the trade fails, the same way a real transaction can.
How close are these fees to real trading?
They’re a deliberate simplification. MockApe uses the same swap fee table for every terminal, chain and pool. It doesn’t check whether a token is still on its bonding curve or has moved to a different pool, and pool fees can differ from Pump.fun’s.
Treat MockApe’s fees as a good estimate of what trading costs, and check your terminal’s own fee details before you trade real money. For more on what paper trading can and can’t simulate, see is paper trading realistic?
Frequently asked questions
Does MockApe charge real fees?
No. All fees in MockApe are simulated and come out of your practice balance. No real money is charged.
Are MockApe fees the same as on Axiom, Padre or GMGN?
They’re close estimates, not exact copies. MockApe uses one swap fee table for every terminal and chain, so a real trade on a particular pool can cost more or less.
Can I change the fees in MockApe?
You can set the priority fee and tip for buys and sells, along with your slippage limit and execution delay. The platform fee and swap fee are fixed.