OKX Adjusts Minimum Order Size for Select Perpetual and Delivery Contracts

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Starting April 28, 2025 (UTC+8), OKX will implement a strategic update to the minimum order size and order quantity precision for select perpetual and delivery contracts. This change is designed to enhance trading flexibility, reduce entry barriers, and improve overall user experience across the platform.

The adjustment allows traders to open positions with smaller contract quantities, enabling finer control over risk exposure and capital allocation. All trading activities—including order placement, margin transfers, and leverage adjustments—will remain fully operational during and after the transition.

👉 Discover how smaller trade sizes can improve your trading strategy today.

Updated Contracts and New Order Parameters

The following contracts will see their minimum order size and order quantity precision reduced from 1 contract to 0.1 contract, significantly increasing granularity in trade execution:

This means users can now place orders starting at just 0.1 contract, with incremental changes also allowed in steps of 0.1.

Understanding Key Terms: Minimum Order Size & Order Quantity Precision

To fully leverage this update, it’s important to understand two core concepts that govern how contract trades are executed:

What Is Order Quantity Precision?

Order quantity precision refers to the smallest increment by which a contract order size can be adjusted. For example, if a contract has an order quantity precision of 0.1, you can place orders in increments like 0.1, 0.2, 0.3, etc.

Previously, many contracts only allowed whole-number inputs (e.g., 1, 2, 3), limiting flexibility—especially for traders managing smaller portfolios or testing strategies.

What Is Minimum Order Size?

Minimum order size defines the smallest number of contracts you can trade in a single order. It is always a multiple of the order quantity precision.

For instance:

This change enables micro-positioning and more precise risk management, particularly beneficial for volatile assets like DOGE, PEPE, and SHIB.

Impact on Position and Order Display

Following the update, all interface elements—including open positions, pending orders, partially filled trades, and historical records—will support decimal-based display when the order quantity precision is less than 1.

For example:

This applies universally across:

👉 See how decimal-based trading gives you more control over your positions.

Updated Order Processing Rules

All new orders and modifications must comply with the updated parameters:

Example:

This ensures smoother scaling in and out of positions and supports advanced trading techniques such as dollar-cost averaging (DCA) and grid trading with greater efficiency.

Note: These rules apply equally to manual traders, algorithmic traders, API users, copy traders, and those using automated strategies.

API and WebSocket Updates

Developers and institutional users relying on automated systems should note that the following fields in the OKX API and WebSocket channels will reflect the new values post-update:

Ensure your bots, scripts, and risk engines are configured to handle decimal lot sizes and validate input accordingly. Refer to the official OKX API documentation for full details on schema changes.

Frequently Asked Questions (FAQ)

Q: When will the changes take effect?
A: The updated minimum order size and precision will go live on April 28, 2025 (UTC+8). No action is required during the transition window.

Q: Will my open orders or positions be affected?
A: No. Your existing orders and positions will remain intact. Only future orders will follow the new rules.

Q: Can I still place orders larger than 0.1 contract?
A: Yes. You can place any order size that is a multiple of 0.1 and meets or exceeds the minimum (e.g., 0.3, 1.7, 5.0).

Q: Does this apply to all contract types?
A: No. Only the listed perpetual and delivery contracts are affected. Spot trading rules remain unchanged.

Q: Why is OKX making this change?
A: To improve accessibility and precision in trading, especially for users with smaller accounts or those employing精细化 strategies like scalping or hedging.

Q: Are API users required to update their systems?
A: Yes. If your system validates lotSz or minSz, ensure it accepts decimal values down to one decimal place.

This refinement underscores OKX’s commitment to delivering a more flexible, inclusive, and user-centric trading environment. By lowering entry thresholds and supporting granular position sizing, OKX empowers both retail and professional traders to execute strategies with greater accuracy and confidence.

Whether you're testing a new altcoin strategy or fine-tuning a long-term hedge, the ability to trade in smaller increments opens up new possibilities in risk management and portfolio diversification.

👉 Start trading with enhanced precision—explore smaller lot sizes now.

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