Friday, March 17, 2017
Options Trader Alert #2017 - 22
Preferenced Allocation of Orders of Five (5) Contracts or Fewer on ISE Gemini
Effective Thursday, March 23, 2017, pursuant to newly amended Supplementary Material .03(c) to Rule 713, a Preferred Market Maker will receive participation rights equal to the greater of: (i) the proportion of the total size at the best price represented by the size of its quote, (ii) sixty percent of the contracts to be allocated if there is only one other Professional Order or market maker quotation at the best price and forty percent if there are two or more Professional Orders and/or market maker quotes at the best price, or (iii) the full size of a Preferenced Order for five contracts or fewer if the Primary Market Maker appointed to the options class is designated as the Preferred Market Maker.
Prior to this change, a Preferenced Order of any size would be allocated pursuant to Supplementary Material .03(c)(i)-(ii) above. Orders of five contracts or fewer, which were not preferenced orders, would be allocated pursuant to Supplementary Material .01(c) which provides for such orders to be executed first by the Primary Market Maker after Priority Customer Orders are executed and provided the Primary Market Maker is quoting at the best price. Effective Thursday, March 23, 2017, if an order of five contracts or fewer is Preferenced to the Primary Market Maker, such Primary Market Maker will be entitled to receive all contracts of such order after Priority Customer Orders are executed and provided the Primary Market Maker is quoting at the best price.
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