Comparing a prop programme with a personal brokerage account requires two separate calculations: cash you pay and trading losses or rewards you may experience. A simulated headline allocation is not equivalent to depositing that amount at a broker.

There is no capital threshold at which one route becomes universally cheaper. Results, attempt count, account conditions, margin and contract terms all matter.

Build the prop cost ledger

List every payment that applies to the exact product: evaluation purchase or subscription, renewals, resets, activation, platform, data and withdrawal charges. Record when recurring charges stop and what happens if you fail. A discounted first payment does not establish the total cost.

Then record reward eligibility, the share retained by the provider, withdrawal caps and any required balance remaining after payment. A simulated profit shown on screen is not yet money received.

Topstep's programme overview separates its evaluation, simulated Express stage and live stage. Costs and withdrawal conditions must be attached to the relevant stage, not combined into one generic “funded account.” Use the comparison tool for programme-specific commercial fields and follow the source links before purchase.

Build the personal-account ledger

Separate money deposited from money spent. A brokerage deposit remains an asset subject to market losses, withdrawal conditions and the broker's terms. It is not an evaluation fee. Account cash may or may not earn interest, depending on the arrangement.

Include commissions, spread, financing, data, platform charges and taxes where applicable. Leveraged positions can require additional margin or produce losses beyond the initial deposit in some products and jurisdictions; protections must be checked with the specific broker.

A personal account also remains subject to broker, market and legal rules. “Keep all profits” means no prop reward share, not freedom from costs or obligations.

Use scenarios, not an assumed monthly salary

Create three columns for each route: no trading profit, a loss period, and a profitable period. Avoid assigning a fixed monthly return to make one option appear superior.

For a purely hypothetical prop scenario, assume total payments of $400 and an approved gross reward of $1,000 with an 80% trader share. Cash received would be $800 and net cash after those payments $400, before taxes and other expenses. If no reward is approved, the same payments produce a $400 outflow. These are arithmetic examples, not provider prices or expected outcomes.

For a personal account, a hypothetical $1,000 trading gain less $100 of costs is $900 before tax. A $1,000 loss plus the same costs reduces equity by $1,100. The deposit required to support those trades depends on the instruments, position size and broker margin; it cannot be inferred from a prop account label.

Include the constraints that change the result

A strategy compatible with one route may be impossible on the other. News restrictions, holding periods, trailing floors, contract limits and reward conditions can change the realised path. Repeated attempts also make a small initial fee a poor measure of total exposure.

Keep time spent and opportunity cost visible, but do not assign a fabricated value to them. A six-month record or a large deposit alone does not prove future profitability.

Use our own-capital decision guide for the non-cost tradeoffs. Neither route should depend on money needed for living expenses or a promise of regular trading income.

Risk Disclaimer: Trading involves substantial risk of loss. Past performance is not indicative of future results. See our full risk disclaimer.