Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(d)(2)(iv), and by the authority granted by Nadex Rules in Chapter 12, due to volatility in the underlying markets Nadex added strike levels on a discretionary basis in its Daily Silver Binary contracts on July 27, 2016, as well as in its 2-Hour Intraday Silver 10am and 11am Expiration Binary contracts and its 2-Hour Intraday Gold 11am Expiration Binary contracts. Nadex returned to its regular listing schedule for these contracts on July 28, 2016. Additionally, Nadex added discretionary strike levels in its Daily 11am and 3pm Expiration GBP/JPY and USD/JPY Binary contracts on July 29, 2016. Nadex plans to return to its regular listing schedule for these contracts on August 1, 2016. The specific added discretionary strike levels are attached in Exhibit A.
Additionally, Nadex amended the strike width for its 5-Minute Intraday Currency Binary contracts throughout the week of July 25. On Sunday evening, trade date July 25, the strike level interval width was increased from 0.0003 to 0.0006 for the 5-Minute Intraday GBP/USD, and from 0.03 to 0.05 for the USD/JPY Binary contracts beginning with the 6:05pm ET expiration time, which continued until the 4:55pm ET expiration on that trade date. The interval widths returned to normal until the 11:15am expiration on trade date July 26, 2016 when the interval width for the 5-Minute Intraday GBP/USD was increased from 0.0003 to 0.0006. This increased continued until the 4:55pm ET expiration on that trade date. The strike interval width for the 5-Minute Intraday GBP/USD again increased from 0.0003 to 0.0006 beginning with the 9:20am expiration on trade date July 27, and the width on the 5-Minute Interval USD/JPY increased from 0.03 to 0.05 beginning with the 9:45am ET expiration. Both increased widths continued until the 4:55pm ET expiration on that trade date, and for the 6:05pm ET expiration on trade date July 28. On trade date July 28, beginning with the 12:35pm ET expiration, the 5-Minute GBP/USD increased from 0.0003 to 0.0006 which continued until July 29 with the 2:15pm ET expiration. The strike interval width for the 5-Minute USD/JPY increased from 0.03 to 0.05 beginning with the 10:25am ET expiration on July 29 and continued until 2:15pm ET.
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