Options trading FAQ

What are the API Best Practices?

For those connected via API, visit

to learn more about API best practices.

Do we have Market Maker Protection (MMP)?

We offer Market Maker Protection for options market makers to protect makers from executing too much within a short period of time. Please contact your account manager or

if you want to have it enabled. Please refer to . Please note the time interval is in milliseconds, not seconds. are available for MMP orders.

What's the position limits?

lists the default order size and position limits. For market makers, please contact your account manager or to raise any limits.

Is Self-trade prevention available?

is offered via API.

Is there a rate limit?

Single order rate limit is 60 requests per 2 seconds. Batch order rate limit is 300 requests per 2 seconds. Colocation users have 4 times the standard limits. For market makers, please contact your account manager or

to raise any rate limit.

How do I access trade history (Public)?

Orderbook trade history is available via

. Please note this only includes orderbook option trades. RFQ trades history is also available via . This includes all the RFQs, so you might have to filter out option trades. RFQ trades history is also streamed via Telegram channel: OKX Liquid Marketplace Trade

How do I access trade history (Private)?

Head over to Assets > Order center > Trading account history.

To learn more on what's Options trading is all about, visit

.