Order validity defines how long an order remains active before it is executed, cancelled, or expires. The available validity options depend on the order type you select in FYERS.

For Regular orders, the current order window provides Day, IOC, and Smart Limit under Advanced → Validity. GTT orders use a separate order type and have their validity applied automatically.

Day

Day is the default validity option wherever validity is applicable. The order remains active for the same trading day and expires automatically if it is not executed by the end of the applicable market session.

Day validity is available for Regular orders such as Intraday, Delivery/Overnight, and MTF, where applicable.

IOC

IOC (Immediate or Cancel) attempts to execute the order immediately. The order may be executed fully or partially, and any quantity that cannot be executed immediately is cancelled.

Smart Limit

Smart Limit is available under the Validity section of the current order window. When you select Smart Limit, you need to configure an End Time.

If the order remains unexecuted, it stays active only until the configured End Time and then expires based on the Smart Limit setup.

GTT orders

GTT (Good Till Triggered) orders do not use the Day or IOC validity options shown under Advanced. To place a GTT order, change the order type from Regular to GTT.

• Equity GTT orders: Valid for up to 365 days from the placement date.
• F&O GTT orders: Valid until the applicable contract expiry.
  

The validity period is applied automatically, so a separate validity dropdown is not displayed for GTT orders.

Smart Order validity

Smart Orders are generally valid for the same trading day, except where the selected Smart Order type defines its own schedule or validity condition.

• Smart Step: Lets you configure a Start Time and End Time for the same trading day.
• Smart SIP: Validity follows the selected SIP schedule, such as daily, weekly, or monthly.