Trading rules 

1. Time-in-Force

1.1 Good-Til-Cancelled (GTC) Orders
A GTC order remains active in the order book until it is either fully executed or manually canceled by the user. There is no expiration date for GTC orders.
Order execution follows standard price-time priority rules, and partial fills are allowed.

1.2 Immediate-Or-Cancel (IOC) Orders
An IOC order requires that all or part of the order is executed immediately, with any unfilled portion of the order being canceled.

1.3 Fill-Or-Kill (FOK) Orders
A FOK order requires that the entire order is executed immediately. If the full order cannot be executed at once, it will be canceled entirely.

2. Order Types

The exchange supports the following order types, each with specific characteristics regarding execution:

2.1 Limit Orders
A limit order allows the user to specify the maximum or minimum price at which they are willing to buy or sell an asset.

Execution: The order will only be executed if the market price reaches the specified limit price or better. Partial fulfillment is possible if the total order cannot be executed at once.
Service Commitment: The system will promptly place limit orders in the order book and attempt to match them based on price and time priority. Orders will remain active until fully filled, canceled by the user, or expired(IOC,FOK).
Limit order time-in-force can be GTC/IOC/FOK.

2.2 Market Orders
A market order is an instruction to buy or sell an asset at the current best available price.

Execution: Market orders are executed immediately based on available liquidity.
Service Commitment: Market orders are processed in real-time, provided there is sufficient liquidity. The platform guarantees immediate execution for all submitted market orders but does not guarantee the final price.
Maket order time-in-force can only be IOC/FOK.

3. Trading Rules
The platform enforces the following rules to ensure fair and efficient trading:

3.1 Order Matching
Matching Engine: The platform's order matching engine operates on a first-come, first-served basis, with priority given to price and time.
Price-Time Priority: Orders are matched based on the best available price. If multiple orders have the same price, the order that was placed first will have priority.
Minimum Tick Size: The minimum price increment (price step) is determined by the trading pair and will be enforced during order placement.

3.2 Trade Settlement
Real-Time Settlement: Trades are settled immediately after execution, and asset balances are updated in real-time.
Partial Execution: For IOC orders, partial execution is allowed based on available market liquidity.

3.3 Order Cancellation
Users may cancel open orders at any time, provided the order has not yet been fully or cancelled.
The platform reserves the right to cancel orders in cases of system maintenance, market abuse, or suspicious activity, in compliance with relevant laws and regulations.

3.4 Market Suspension
In the event of significant market disruptions or extreme volatility, the platform may temporarily suspend trading to maintain market stability. During such events, existing orders may be canceled, and no new orders will be accepted.