Conditional Order
A conditional order is an advanced order instruction that is only submitted to the market or activated when a defined set of criteria — such as a price threshold, a time condition, or the execution of another order — is first satisfied.
Conditional orders extend the basic logic of order types by allowing traders to specify triggers that go beyond a simple price level. While a standard limit order activates immediately upon submission and waits passively for its price to be reached, a conditional order may remain dormant within a broker's internal system or platform until one or more external conditions are met — at which point the order is released to the market.
Common conditions include: price conditions (e.g., trigger a buy limit order if the stock trades above $X), time conditions (e.g., submit the order only during the last 30 minutes of the regular session), volume conditions (e.g., activate when average daily volume exceeds a threshold), or cross-asset conditions (e.g., execute an equity order if a specified ETF moves by more than a defined amount). Some broker platforms also allow order-dependent triggers, where the execution of one order automatically creates or cancels another — a concept related to one-cancels-other orders and bracket orders.
Conditional orders are closely associated with algorithmic trading and systematic strategy execution. Institutional desks use conditional logic built into execution management systems (EMS) and order management systems (OMS) to coordinate complex multi-leg trades, manage portfolio-level risk automatically, and implement rules-based rebalancing without manual intervention.
For individual investors, conditional orders are available through certain advanced brokerage platforms, often as a premium feature. Investors should understand that until the trigger condition is met, the order is not live on any exchange or ATS — it resides only within the broker or platform system. This creates counterparty risk if the platform experiences outages, and it means that the order is not protected as a displayed quote under Reg NMS until it is actually released. Reading the platform-specific disclosure for how conditional orders are handled, including what happens to open conditions during market closures or system maintenance, is an important part of using them responsibly.