Entry-tier spot fees cluster near 0.10%, but flat withdrawal fees dominate at small size.
Key takeaways
Model cost per transfer, not per trade.
Compare the network you will actually use.
Rewrite the model quarterly.
Verified October 27, 20261 min read
The part of the cost that does not scale
Trading fees scale with the trade, so they stay proportionate. Withdrawal fees do not: they are a flat charge per transfer, which makes them the dominant cost of moving small amounts.
Cost
Scales with size
Typical shape
Spot taker
Yes
~0.10% entry tier
Deposit
No
Usually free
Withdrawal
No
Flat per transfer, by network
Spread
Yes
Wider on thin pairs
Build a one-page model
Write down the fee for the pair you trade, the withdrawal fee on the network you use, and the spread you actually got on your last three fills. Re-read it on the first of the month. The arithmetic is trivial; remembering it is not.
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