Getting a different price from the preview can be due to many factors.
- 1. You we're looking at "last price" instead of the either the bid or ask price.
- 2. There is a slight lag between confirming and the preview, the price can change in that time.
- 3. The order did not execute until later.
If you still believe there is an issue with prices you can contact us at the bottom of the FAQ page with your username and a screenshot of the correct bid - ask price at that time.