QuantConnect Lean Algorithmic Trading Engine
QuantConnect.Algorithm Namespace > QCAlgorithm Class : OnSecuritiesChanged Method
Security additions/removals for this time step
OnSecuritiesChanged Method (QCAlgorithm)
Event fired each time the we add/remove securities from the data feed
Syntax
public virtual void OnSecuritiesChanged( 
   SecurityChanges changes
)

Parameters

changes
Security additions/removals for this time step
Requirements

Target Platforms: Microsoft .NET 4.5 or Mono 3.10 or above.

See Also