Two uses for realised profit
Withdrawing profit moves money out of the trading balance. Reinvesting keeps it exposed to later trading. Neither action changes the quality of the underlying strategy or guarantees a positive next period.
A decision about profit is also a decision about liquidity: money needed outside the account cannot be treated as freely available if provider restrictions apply.
The arithmetic of compounding
As a hypothetical example, a $1,000 balance gaining 10% becomes $1,100. If the next period gains another 10%, reinvesting all the first profit would produce $1,210; withdrawing that first $100 leaves a $1,000 trading balance, so the combined balance and withdrawn cash would be $1,200 after the second gain. These are illustrative assumptions, not Sonic forecasts, and omit fees.
A negative second period changes the comparison. A 10% loss on $1,100 is $110, while the same percentage loss on $1,000 is $100. Reinvestment increases dollars exposed to both directions.
Liquidity and concentration
Withdrawn profit is no longer exposed to that account’s next trade once the withdrawal has completed. Reinvested profit can increase concentration in one strategy, provider and market. Consider those mechanisms separately from the attraction of a larger ending balance on a historical chart.
The historical calculator lets you change the retained-profit percentage and compare the recorded path. It is an illustration, not a setting on your real account.
Check the withdrawal clock
Under the current owner-approved CopyX/Tag Markets understanding, initial investment becomes eligible after 30 days and reinvesting profit restarts the 30-day clock. Profit that has not been reinvested can be eligible earlier. Confirm the exact scope in your live account before acting.
Eligibility does not mean instant payment. Verification, available funds, route support, fees and provider processing still apply. Current provider terms take precedence over this article.
A framework for comparison
Compare the amount left exposed, the cash you can actually access, any reset period, and the effect of a negative future period. Do not assume a historical rate will repeat.
This article explains the trade-offs; it does not recommend a personal withdrawal or reinvestment decision. Obtain appropriate independent advice for your circumstances.