Pearler uses real-time pricing when placing an order with our brokerage partners. However, due to orders placed outside of market hours or market fluctuations (after sending the order out to the market), sometimes the trade will cost more or less, which will affect the number of units you end up with.

To provide the most certainty, you can:

• Add additional money buffer when PLACING an order, the extra will be returned to your account

• Deposit beforehand and spend with cleared funds, orders will be placed immediately when in market hours

• Use limit orders (click "Show more" when you input the order amount) this requires the target price to be reached and can only guarantee price and not execution.

​Account overdraw is possible but happens very rarely. Trading penny stocks in high quantities at market value is commonly where we see this happen.