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Product LoginMonday, January 7, 2019
Options Technical Update #2019 - 1
Nasdaq GEMX and MRX Update System Settings
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On Tuesday, January 22, 2019, Nasdaq GEMX (GEMX) will update the system settings related to the Market Order Spread Potection. Nasdaq MRX (MRX) will update the same system settings on Monday, January 28. 2019. Currently, simple market orders are rejected if the bid/ask differential of the NBBO and internal BBO are wider than a configurable amount, currently set to $5.00 for all symbols. As of Tuesday, January 22nd on GEMX and Monday, January 28th on MRX, all symbols will have the threshold configured to $5.00, with the following exceptions: Market Order Spread Protection Bid/Ask Differential Allowance of $20.00:
Market Order Spread Protection Bid/Ask Differential Allowance of $22.00:
Please note that any future changes made to the quote width requirements will also apply to these bid/ask differential allowances. Market order spread protection settings can be found on the system settings pages for each market. For questions, please contact Market Operations at +1 215 496 1571 or optionshelpdesk@nasdaq.com. |
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