https://phemex.com/help-center/post-only-order
Post Only is a special order condition that will only allow your order to be posted when it can enter the Order Book. In other words, this condition is designed to ensure that you will become a market maker. If that is not the case, the order will be immediately canceled.
For any inquiries contact us at support@phemex.com
Follow our official Twitter | Join our community on Telegram
Trade crypto on the go: Download for iOS | Download for Android
Phemex | Break Through, Break Free
Submit Ticket