Question 1

DCA (Dollar-Cost Averaging) Calculator

Accepted Answer

Plan your DCA entries with a dynamic table and visual chart. | Input | Description | |-------|-------------| | Entry rows | Price + amount for each planned entry | | Current Price | Current market price | **Outputs:** Average entry price, total invested, total units, current value, PnL and PnL %, plus a chart showing cumulative average price across entries. Add or remove entry rows dynamically to model different DCA scenarios. The chart updates in real time as you adjust entries.

Question 2

Compound Interest Calculator

Accepted Answer

Project growth with compound returns over time. Includes a chart comparing compound vs simple interest. | Input | Description | |-------|-------------| | Initial Amount | Starting capital | | Return % | Expected return per period | | Periods | Number of compounding periods | | Periods/Year | Compounding frequency | | Additional/Period | Regular contribution amount | **Outputs:** Final amount, total contributed, total return, simple interest comparison, and a growth chart. > **Tip:** Even modest

Question 3

Breakeven Calculator

Accepted Answer

Find the exact price where a trade breaks even after all costs. | Input | Description | |-------|-------------| | Entry Price | Your entry | | Position Size | Trade size | | Direction | Long or Short | | Commission % | Round-trip fee | | Spread % | Expected spread cost | | Funding Cost | Total funding costs | **Outputs:** Breakeven price, distance from entry %, total costs included.

Question 4

Drawdown Calculator

Accepted Answer

Visualize the devastating effect of consecutive losses and the recovery required. Features a chart showing exponential recovery requirements. | Input | Description | |-------|-------------| | Balance | Starting balance | | Loss % | Per-trade loss percentage | | Consecutive Losses | Number of losses in a row | **Outputs:** Remaining balance, total loss %, recovery % needed, and a chart showing that a 50% drawdown requires 100% gain to recover.

Question 5

Kelly Criterion Calculator

Accepted Answer

Calculate mathematically optimal position sizing based on your edge. | Input | Description | |-------|-------------| | Win Rate % | Historical win rate | | Average Win | Mean winning trade | | Average Loss | Mean losing trade | | Account Balance | Current capital | **Outputs:** Full Kelly %, Half-Kelly % (recommended), optimal position size, half-Kelly position, edge value. > **Tip:** Most professional traders use Half-Kelly or less. Full Kelly maximizes growth rate but with extreme volatility.

Question 6

FAQ

Accepted Answer

**Q: Which calculator is most important for beginners?** A: The Drawdown Calculator — understanding how losses compound is the most important risk management lesson. **Q: Can I use these with backtest results?** A: Yes — take your backtest win rate and average win/loss to plug into the Kelly Criterion calculator for optimal sizing.

Question 7