
Position sizing and risk
How much to trade, and how to cap your downside.
A buy order can't exceed your available virtual cash. The check runs before and after you confirm.
You can't sell more units than you hold. Short selling is disabled in the preview.
Every order shows instrument, quantity, price and estimated total before it's sent.
Illustrative initial and maintenance margin, excess liquidity and leverage on the Account page.
A indicative 2x buying power figure shows how leverage would expand exposure.
Rejected orders explain why — insufficient funds, not enough units, or invalid price.
The Account page calculates illustrative margin figures from your live virtual positions, so you can see how exposure, leverage and excess liquidity relate.
| Asset class | Initial | Maintenance |
|---|---|---|
| Stocks | 25% | 20% |
| ETFs | 25% | 20% |
| Forex | 3% | 2% |
| Crypto | 50% | 40% |
Educational illustration only. Margin isn't extended in the preview.
The platform encourages good practice: confirm every order, size positions sensibly, and keep an eye on excess liquidity.


How much to trade, and how to cap your downside.

Buying power, maintenance margin and leverage.

Avoiding unexpected fills in fast markets.
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