U.S. Options

Key Energy Services Inc. (KEG) will be de-listed from the MIAX Options Exchange effective on Thursday, July 28, 2016. All open...

ExamWorks Group, Inc. (EXAM) will be de-listed from the MIAX Options Exchange effective on Thursday, July 28, 2016. All open GTC...

Caladrius Biosciences, Inc. (CLBS) will be de-listed from the MIAX Options Exchange effective on Thursday, July 28, 2016. All open GTC...

Effective for trading on Thursday, July 28, 2016, Citadel Securities, LLC will assume the duties of Primary Lead Market Maker...

Multi-Fineline Electronix, Inc. (MFLX) will be de-listed from the MIAX Options Exchange effective on Thursday, July 28, 2016. All open GTC...

Effective August 1, 2016, pending SEC approval, the MIAX Options Fee Schedule will be amended. A summary of the August 1,...

Synta Pharmaceuticals Corporation (SNTA) will be de-listed from the MIAX Options Exchange effective for trading Monday, July 25, 2016. All open...

ProShares VIX Short-Term Futures ETF (VIXY) has announced a stock split that will become effective on Monday, July 25, 2016. ...