Nadex Adds Strike Levels for the Week of December 12, 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 12.63, Nadex hereby provides notice that due to volatility in the underlying markets upon which the Nadex contracts are based, Nadex added strike levels on a discretionary basis in its Daily US Tech 100 on December 12, 2016. Nadex returned to its regular strike listing for these contracts on December 13, 2016.

Additionally, although Intraday Germany 30 and FTSE 100 Intraday contracts are generally unavailable for trading during the week of a symbol rollover, on December 13, 2016, the 5:00am ET through 11:00am ET expiration times for the 2-Hour Intraday Germany 30 and FTSE 100 contracts were open for trading.

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