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Friday, September 26, 2014

Options Trader Alert #2014 - 29
BX Options Announces the Execution Algorithm for Options on BABA & SPY

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  • System Impact

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Effective Monday, September 29, 2014, BX Options will list options on Alibaba Group, Ltd. (BABA). Options on BABA will be executed utilizing the Size Pro-Rata execution algorithm.

Effective Wednesday, October 1, 2014, BX Options will amend the execution algorithm for options on Standard & Poors Depository Receipts (SPY). Today, options on SPY are executed pursuant to the Price/Time algorithm.  As of October 1st, options on SPY will be executed utilizing the Size Pro-Rata execution algorithm.


All other options listed on BX Options will continue to be executed utilizing the Price/Time execution algorithm.








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