Compound Profit Calculator — Trading Account Growth Projector
Project how your trading account grows over time using consistent periodic returns and the power of compounding. Set your starting balance, number of periods, and gain % per period — results update live. Supports daily, weekly, monthly, and custom period compounding.
How Compound Growth Works in Trading
Compound growth means reinvesting your profits each period so that future returns are earned on a progressively larger base — not just your original capital. Each period your gain is added to the balance before the next return is calculated, creating exponential account growth even with modest per-period percentages.
The compound growth formula is:
At 5% per month compounded, a $10,000 account grows to $17,958.56 after 12 months — a 79.59% total gain versus just $16,000 with simple returns. The $1,959 difference is pure compounding: each month's profit is itself earning a return in the following month.
In period 1 you earn gain% on $10,000. By period 12 you are earning gain% on $17,103 — the same percentage but a much larger dollar amount. No change to your strategy; the math does the work.
Compounding only works if profits stay in the account. Every dollar withdrawn breaks the chain. Many traders achieve good monthly returns but never build significant wealth because they withdraw too early and too often.
Interactive Growth Scenario Presets
The preset buttons at the top of the calculator are designed around real trading contexts. Click any to instantly load the parameters and see the projection table update live. Here is what each scenario represents:
Models a disciplined retail trader targeting sustainable monthly gains. At 2%/month compounded, a $10,000 account reaches $12,682 after 12 months — a 26.8% annual return with very low drawdown risk.
The classic planning benchmark. At 5%/month, $10,000 becomes $17,959 after 12 months. Achievable with a proven strategy and consistent execution, though challenging to maintain year after year.
Models high-risk, high-return trading. At 8%/month, $10,000 becomes $25,182 in 12 months — a 151.8% gain. Exceptional results that come with significant drawdown exposure and psychological pressure.
Models a typical 2-phase prop firm challenge (e.g. FTMO) where the trader must hit a 10% profit target within the evaluation period. Shows the ending balance needed to pass the challenge.
Models weekly compounding for a short-term scalper. At 1%/week over 52 weeks, $5,000 becomes $8,455 — a 69.1% annual return at a very achievable per-trade target.
Models daily compounding for a consistently profitable day trader. At 0.3%/day over 252 trading days, $5,000 grows to over $21,000 — demonstrating how small daily edges compound dramatically over a year.
Compound vs Simple Returns — $10,000 Starting Balance at 5% per Period
Simple returns calculate each period's gain only on your original starting balance — a 5% gain on $10,000 always produces exactly $500, regardless of accumulated profits. Compound returns calculate on the current growing balance. Over time the gap becomes enormous, as the table below demonstrates.
| Periods | Simple Returns | Compound Returns | Compound Advantage $ | Advantage % |
|---|---|---|---|---|
| Period 3 | $11,500 | $11,576 | +$76 | +0.66% |
| Period 6 | $13,000 | $13,401 | +$401 | +3.08% |
| Period 12 | $16,000 | $17,959 | +$1,959 | +12.24% |
| Period 24 | $22,000 | $32,251 | +$10,251 | +46.6% |
| Period 36 | $28,000 | $57,918 | +$29,918 | +106.8% |
| Period 60 | $40,000 | $186,792 | +$146,792 | +367% |
The Rule of 72 — How Many Periods to Double Your Trading Account?
The Rule of 72 is a mental shortcut that estimates how long it takes to double an account at a given consistent return rate: divide 72 by your gain percentage per period. It works because of the mathematics of logarithmic growth and is accurate within 3% for gain rates between 1% and 10% per period.
At your current input of 5% per period, the Rule of 72 estimates ~14.4 periods to double. The exact figure (from the compound formula) is 14.21 periods.
| Gain % / Period | Rule of 72 (approx) | Exact Periods | If Monthly → Time to Double |
|---|---|---|---|
| 1% | ~72 periods | 69.7 periods | 5.8 years |
| 2% | ~36 periods | 35.0 periods | 2.9 years |
| 3% | ~24 periods | 23.4 periods | 1.95 years |
| 5% | ~14.4 periods | 14.2 periods | 14.2 months |
| 8% | ~9 periods | 9.0 periods | 9 months |
| 10% | ~7.2 periods | 7.3 periods | 7.3 months |
The Rule of 72 slightly overestimates at higher gain rates but remains a reliable mental model for all planning purposes.
Compound Growth vs Withdrawal — Should You Reinvest or Take Profits?
One of the most consequential decisions a profitable trader faces is whether to reinvest gains or withdraw them. Both strategies are valid — but they produce dramatically different long-term outcomes. The table below compares both approaches on a $10,000 account earning 5% per month, showing both the growing compound balance and the cumulative cash generated through full withdrawal.
| Period | Full Compound (balance) | Full Withdrawal (balance) | Monthly Cash Withdrawn | Total Withdrawn (cumul.) |
|---|---|---|---|---|
| Period 3 | $11,576.25 | $10,000.00 | $500.00 | $1,500.00 |
| Period 6 | $13,400.96 | $10,000.00 | $500.00 | $3,000.00 |
| Period 12 | $17,958.56 | $10,000.00 | $500.00 | $6,000.00 |
| Period 18 | $24,066.19 | $10,000.00 | $500.00 | $9,000.00 |
| Period 24 | $32,251.00 | $10,000.00 | $500.00 | $12,000.00 |
After 24 months the compound account holds $32,251 — a 222% gain, and the account is now generating $1,613/month (vs the original $500). Best suited for traders building towards a capital target or funded account milestone.
Over 24 months, total withdrawn = $12,000 — a 120% cash return with the full $10,000 principal still intact. Best for traders using their account as ongoing income-generating capital rather than a growth vehicle.
What Monthly Return Is Realistic in Trading?
The most dangerous input in any compounding projection is an unrealistic gain percentage. Most traders overestimate sustainable returns — especially after a short winning streak — and then build plans around numbers that are statistically impossible to maintain. The three tiers below reflect what is genuinely achievable across different experience and strategy levels, based on verified performance data.
Achievable for consistent, disciplined traders with a proven edge. Very low drawdown profile, high sustainability over years. The recommended target for funded accounts, prop firm challenges, and traders who prioritise capital preservation.
Possible with a well-tested, disciplined strategy. Returns at this level are achievable in the short-to-medium term but difficult to sustain for years. Larger drawdown periods test psychological resolve — expect some losing months.
Very high risk. Exceptional numbers that are nearly impossible to sustain over a multi-year horizon. Typically accompanied by outsized drawdowns, inconsistent months, and a high probability of eventual account loss. Never use as a planning benchmark.
Drawdown Recovery — How Many Periods to Get Back to Breakeven?
Drawdown recovery reveals the dark side of compounding: losses always require a larger percentage gain to recover than the loss itself. A 20% drawdown requires a 25% gain just to break even — not 20%. And recovery must happen on a smaller base, making each period's dollar contribution to recovery smaller until the account heals.
The table below shows recovery requirements at your current gain rate of 5% per period.
| Drawdown | Recovery Gain Needed | Periods at 5%/period | Severity |
|---|---|---|---|
| 10% | 11.1% | 3 periods | Recoverable |
| 20% | 25.0% | 5 periods | Significant |
| 30% | 42.9% | 8 periods | Severe |
| 40% | 66.7% | 11 periods | Critical |
| 50% | 100.0% | 15 periods | Critical |
A 10% drawdown requires only an 11.1% recovery gain — very manageable at any reasonable return rate. A 50% drawdown requires a full 100% gain just to break even. This asymmetry explains why prop firms enforce 8–12% max drawdown limits: beyond that, the compounding engine takes too long to restart.
During a losing streak your base shrinks — so each subsequent loss takes a smaller dollar amount but your recovery requirement keeps rising. Stopping losses early via stop losses, daily loss limits, and weekly drawdown caps is the most important protection for any compounding plan.
Annualised Return Converter — What Does Your Per-Period Gain Equal Annually?
Per-period gain percentages can be misleading without context. A "1% per week" return sounds modest — but annualised it represents a 67.8% yearly return, which would rank among the top-performing funds globally. The converter below shows how per-period gains translate to annual figures for the three most common trading timeframes.
| Gain % / Period | Monthly (×12) | Weekly (×52) | Daily (×252) | Benchmark |
|---|---|---|---|---|
| 0.3% | 3.66% | 16.9% | 112% | 0.3%/day — elite day trader |
| 0.5% | 6.17% | 29.6% | 245% | 0.5%/day — exceptional, unsustainable for most |
| 1% | 12.7% | 67.8% | 1,100% | 1%/week — equivalent to top hedge fund monthly |
| 2% | 26.8% | 180% | — | 2%/month — solid professional retail target |
| 3% | 42.6% | 361% | — | 3%/month — ambitious but achievable with proven edge |
| 5% | 79.6% | 1,164% | — | 5%/month — exceptional; difficult to sustain |
| 8% | 151.8% | — | — | 8%/month — very high risk; use conservatively |
| 10% | 213.8% | — | — | 10%/month — prop firm challenge target (short-term) |
"—" indicates rates not typically used as daily/weekly targets at those magnitudes. All figures assume consistent returns without drawdown periods.
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