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SimFi™
What Is a Prop Firm? The Firm, the Assessment, and the Account, Separated
A prop firm, short for proprietary trading firm, is a business that lets a trader work a trading account under set limits and share in the measured performance. The term now covers two very different…
what is a prop firm
Read article2 October 2026·11 min read
SimFi™
How Do Prop Firms Work? The Economics Past the Pitch
A prop firm lets a trader use the firm's capital to trade, then shares a portion of the simulated performance with the trader after a paid assessment. Most retail firms today earn their revenue from…
how do prop firms work
Read article2 October 2026·7 min read