Nadex Adds Additional Strike Levels and Widens Strike Widths for Week of September 6, 2016

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 additional strike levels in its US SmallCap 2000, US Tech 100, and US 500 Binary contracts on September 9, 2016. Nadex plans to return to its regular strike width for these contracts beginning Tuesday, September 12, 2016.

Additionally, Nadex amended the strike width for its Daily Bitcoin Binary contracts from 1 to 2 for all contracts listed during the week of September 6, 2016.

On September 6, 2016, for expirations 3:00pm to 4:00pm ET, Nadex decreased the strike width for its 20-Minute Intraday US 500 Binary contracts from 1 to .7, for its 202-Minute Intraday US Tech 100 Binary contracts from 3 to 2, and for its 20-Minute Intraday Wall Street 30 Binary contracts from 9 to 6, with the exception of the 3:20pm ET expiration which remained at 9. On September 7, 2016, Nadex decreased the strike width for its 20-Minute Intraday US SmallCap 2000 Binary contracts from 0.7 to 0.5 for expiration between 11:40 and 2:20pm ET, and from 1 to 0.7 for expirations from 2:40pm ET to 4:00pm ET. On September 8, 2016, Nadex decreased the strike width for its 20-Minute Intraday US SmallCap 2000 Binary contracts from 1 to 0.7 for expirations from 10:00am through 11:20am, and from 2:40pm through 4:00pm. Nadex also decreased the strike width on these contracts from 0.7 to 0.5 for expiration between 11:40 and 2:20pm ET. These strike width changes remained through the remainder of the week. On September 7, 2016, Nadex decreased the strike width for its 20-Minute Intraday US 500 Binary contracts from 1 to .75 for expirations beginning at 10:00am through 11:20am ET, and 2:40pm through 4:00pm ET. Nadex decreased the strike width for these contracts from 0.7 to 0.5 for expirations 11:40 am through 2:20pm. These strike width changes remained through the remainder of the week. On September 7, 2016, Nadex decreased the strike width for its 20-Minute Intraday US Tech 100 Binary contracts from 3 to 2 for expiration between 10:00am through 11:20am, and from 2:40pm through 4:00pm. Nadex also decreased the strike width on these contracts from 2 to 1 for expiration between 11:40 and 2:20pm ET. These strike width changes remained through the remainder of the week. Finally, on September 7, 2016, Nadex decreased the strike width for its 20-Minute Intraday Wall Street 30 Binary contracts from 9 to 6 for expiration between 10:00am through 11:20am, and from 2:40pm through 4:00pm. Nadex also decreased the strike width on these contracts from 7 to 4 for expiration between 11:40 and 2:20pm ET. These strike width changes remained through the remainder of the week.

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