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📐 Contract & Trades Calculator Guide
How to Use the Contract & Trades Calculator
This calculator helps you determine the appropriate position size and estimate the expected profit and loss for each trade before entering it, based on your capital, risk percentage, entry price, stop-loss, and exit price.
First: Overview of the calculator
Overview
- The calculator relies on your capital and risk percentage to determine the safe quantity (position size) for each trade.
- By entering the entry price and stop-loss price, the calculator calculates the potential loss and ensures it does not exceed the defined risk.
- After entering the exit price (target), the calculator shows the expected profit value and its percentage relative to your capital.
The goal of using this calculator is for every trade to be calculated and balanced before you execute it on the trading platform, not just a random decision.
Second: Setting the currency and symbols from the settings window
Calculator setup
- From the Settings button, you can choose the main currency for the calculator such as: USD, SAR, USDT.
- Currency: Written as a short code (for example: SAR or USDT) and it is the base for all amounts shown in the calculator.
- Asset symbol (Pair): – You can enter a list of symbols such as BTCUSDT, ETHUSDT, XRPUSDT, – or choose a single symbol from a dropdown list depending on the plugin settings.
- Make sure to write the symbols without spaces, and separate each symbol with a comma ( , ) if the field allows multiple symbols.
- After editing, click Save settings so the lists inside the calculator get updated.
Choosing the correct currency and symbol helps you read the numbers clearly and prevents confusion between forex, stocks, or cryptocurrencies.
Third: Setting the risk percentage from your capital
Capital management
- Capital: Enter the capital amount you want your calculations to be based on (example: 10,000).
- Risk percentage %: – Enter the percentage you accept to lose in a single trade (such as 1% or 2%). – The calculator automatically converts this into a risk amount.
- Risk by amount: – Instead of the percentage, you can directly type the risk amount (such as 100 or 250). – In this case, the calculator treats this as the maximum loss allowed for the trade.
- Very important: – You must enter either the risk percentage % or the risk amount only. – Do not enter both; one field should be filled and the other left empty so the result is correct.
If you enter the percentage, the amount is calculated automatically; if you enter the amount, the percentage is ignored. So choose the method you prefer and do not use both at the same time.
Fourth: Entering trade data (entry, stop-loss, and exit)
Trade calculation
- Entry price: Type the price at which you plan to execute the trade (buy or sell price).
- Stop-loss price: – The price at which the trade will be closed if the market moves against you. – The calculator uses the difference between the entry price and the stop-loss to calculate the loss per unit (per contract/share/coin).
- Exit price (target): – Can be entered to calculate the expected profit if the price reaches your target. – If left empty, only the risk and potential loss are calculated.
- Buy percentage from capital or buy amount: – Some setups allow you to enter a buy percentage % from your capital or a buy amount directly. – You must use only one of these two fields and not both together.
Entering the entry and stop-loss prices accurately is an essential condition, because the calculator relies on them to determine the position size that matches the predefined risk.
Fifth: Input cells you fill vs. result cells calculated automatically
Reading the table
- Input cells (you type in):
– Capital
– Risk percentage % or risk amount
– Buy percentage % or buy amount (depending on your setup)
– Entry price
– Stop-loss price
– Exit price (target) – optional - Result cells (displayed automatically):
– Quantity / position size suitable based on the risk and the distance between entry and stop-loss.
– Total trade value (quantity × entry price).
– Potential loss if the stop-loss is hit (as an amount and as a percentage of capital).
– Expected profit when the exit price is reached (as an amount and as a percentage of capital).
– Commission / fees if the calculator contains a fees field that is calculated automatically. - Once you change any of the input cells, all results in the automatic cells are updated immediately without the need for a Calculate button.
If you notice that the numbers are not changing, make sure the required fields are filled (especially capital, risk, entry price, and stop-loss).
Sixth: Saving data and clearing the table
Managing rows
- Save data: – After entering a trade and confirming its numbers, click the Save button (if available) to store the row in the database or in the calculator table. – This data can later be used in reports or when reopening the page without losing your last calculations.
- Add new row: – Use the Add row button to create a new row for another trade with the same general settings.
- Clear rows/table: – The Clear table button erases all trades from the table and resets the values to the default state. – Use it carefully, because it removes previous numbers and cannot be undone from inside the calculator.
- Delete a specific row (if available): – Select the desired row from the Select column or click the Delete button next to it to remove only that row without affecting the others.
Calculate the risk first – Enter the entry and stop-loss prices accurately – Use either a percentage or a fixed amount only – Save the trade before clearing the table
With these steps, the calculator becomes an essential part of your routine before every trade, ensuring that your decisions are based on clear numbers and aligned with your capital management plan.
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