How to Compare Trading Costs Like a Pro
Two brokers both advertise 'from 0.0 pips'. One is half the cost of the other. Here is how to see through it.
Normalise to cost per lot
Convert everything to a single number: spread (in pips × $10 per pip on a standard lot) plus commission. Broker A: 0.0 spread + $7 commission = $7. Broker B: 0.8 spread + $0 = $8. A is cheaper despite the 'wider' headline. Do this for the pairs you trade most.
Use realistic volumes
Commissions often drop at higher tiers. If you trade 20 lots a day, the tier-3 rate matters more than the headline. Estimate your monthly volume and compare at that tier.
Include swap and data
For carry or long-term trades, swap dominates. For scalpers, execution speed and spread stability during news matter more than the commission. Weigh costs by your actual style, not the broker's marketing angle.
Stress-test on a demo
A demo with live spreads shows you the real all-in cost during volatile sessions, when marketing numbers quietly widen. Trust observed cost over advertised cost.
Related glossary terms
New to the jargon here? These plain-English definitions will help.
