To exercise an option is to implement the right under which the holder of an option is entitled to buy (Call option) or sell (Put option) the underlying security. Options are exercised through the Trader Workstation's Option Exercise window (accessible from the TWS View menu). For detailed instructions on exercising an option using the Trader Workstation, refer to the TWS User's Guide.

Option Exercise Requests (whether received through an TWS Option Exercise window or by phone toll free at 1-800-821-4967* and may be submitted as follows:

 
For Equity Option Contracts Traded upon:
PTI ProDirect must receive an Exercise Request by:
US Options Exchanges
16:30 Eastern Time
Canadian Exchanges
16:10 Eastern Time
Eurex/SOFFEX
18:00 Central European Time
Euronext
17:40 Central European Time
(or 10 minutes after the close of trading in the product if earlier)
LIFFE
17:30 Central European Time
(17:40 Central European Time on a best effort basis)
* In the event that the exercise cannot be submitted via the TWS, an option exercise request may be submitted by phone. An added fee of $30 will be charged for all live phone exercise requests.
 
..Expiration Friday Option Exercise Instructions
Use the TWS Option Exercise window to either: (i) exercise an option prior to expiration, or (ii) deliver "contrary intentions" to the clearinghouse for the options held; e.g., The Options Clearing Corporation (“OCC”) for options traded on U.S. options exchanges. You must also use the TWS Option Exercise window to instruct the clearinghouse to exercise an option contrary to the clearinghouse’s accepted policy) on an options Expiration day (e.g., Expiration Friday for US options). If you do not use the TWS Option Exercise window to manually manipulate options, the clearinghouse will handle the exercise automatically in the manner described below:
 
OCC (USA)
FOR EQUITY OPTIONS TRADED ON US EXCHANGES AND CLEARED THROUGH OPTIONS CLEARING CORPORATION (OCC):
  • Stock options expiring in the current month that are $0.05 or more in the money will be automatically exercised by the OCC without the need for any explicit instructions from IB.
  • Index options expiring in the current month that are more than $.01 in the money will be automatically exercised by the OCC without the need for any explicit instructions from IB.
The OCC must receive "contrary intentions" through the TWS Option Exercise window if you want to:
  • exercise a stock option that is in the money by LESS than $0.05
  • exercise a stock option or index option that is out of the money
CDCC (Canada)
FOR EQUITY OPTIONS TRADED ON CANADIAN EXCHANGES AND CLEARED THROUGH CANADIAN DERIVATIVES CLEARING CORPORATION (CDCC):
  • Stock options expiring in the current month that are 0.05 CAD or more in the money will be automatically exercised by the CDCC without the need for any explicit instructions from IB.
  • Index options expiring in the current month that are more than 0.01 CAD in the money will be automatically exercised by the CDCC without the need for any explicit instructions from IB.
The CDCC must receive "contrary intentions" through the TWS Option Exercise window if you want to:
  • exercise a stock option that is in the money by LESS than 0.05 CAD
  • exercise a stock option or index option that is out of the money
 
At this time, there is no phoned-in support for “contrary intention” decisions, e.g. exercising out of money options, or not exercising in the money options.
 
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