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Contract Specifications

Stock indices

Find important information regarding contract specifications for stock indices, including expiration times, trading hours, underlying markets and more.

Please ensure that you understand the relevant contract specifications before trading. If you need any clarification, please contact Nadex and our trading support team can advise you further.

All times below are in Eastern (EST) and trading hours are subject to holidays. You can also see the rollover schedule for the futures underlying markets comprising Nadex’s contracts.

Binary option contracts Knock-out contracts Call spread contracts

United States

Our US stock index contracts are based on the following futures:

Nadex product Underlying market Lead months
Wall Street 30 CBOT® E-mini Dow Futures March, June, Sept., Dec.
US 500 CME® E-mini S&P 500 Index Futures March, June, Sept., Dec.
US Tech 100 CME® E-mini NASDAQ 100 Index Futures March, June, Sept., Dec.
US SmallCap 2000 CME® E-mini Russell 2000 Index Futures March, June, Sept., Dec.

Rest of the world

Our rest of the world stock index contracts are based on the following futures:

Nadex product Underlying market Lead months
Japan 225 SGX Nikkei 225® Index Futures March, June, Sept., Dec.
China 50 SGX FTSE Xinhua China A50® Index Futures Jan., Feb., March, April, May, June, July, Aug., Sept., Oct., Nov., Dec.

Binary option contracts

Wall Street 30

Position limit: 2,500

Duration Expiration Strike width No. of contracts Trading hours
Intraday: 20-minute Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm 8 15 For 20 minutes preceding expiration
Intraday: 20-minute Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm 6 15 For 20 minutes preceding expiration
Intraday: 2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) 24 15 For 2 hours preceding expiration
Daily Mon-Fri: 4:15pm 40 21 Sun-Fri, 6pm-4:15pm
Weekly Fri: 4:15pm 200 13 Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm

US 500

Position limit: 2,500

Duration Expiration Strike width No. of contracts Trading hours
Intraday: 20-minute Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm 1.5 15 For 20 minutes preceding expiration
Intraday: 20-minute Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm 1 15 For 20 minutes preceding expiration
Intraday: 2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) 3 15 For 2 hours preceding expiration
Daily Mon-Fri: 4:15pm 6 21 Sun-Fri, 6pm-4:15pm
Weekly Fri: 4:15pm 24 13 Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm

US Tech 100

Position limit: 2,500

Duration Expiration Strike width No. of contracts Trading hours
Intraday: 20-minute Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm 4 15 For 20 minutes preceding expiration
Intraday: 20-minute Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm 3 15 For 20 minutes preceding expiration
Intraday: 2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) 12 15 For 2 hours preceding expiration
Daily Mon-Fri: 4:15pm 24 21 Sun-Fri, 6pm-4:15pm
Weekly Fri: 4:15pm 144 13 Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm

US SmallCap 2000

Position limit: 2,500

Duration Expiration Strike width No. of contracts Trading hours
Intraday: 20-minute Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm 1.4 15 For 20 minutes preceding expiration
Intraday: 20-minute Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm 1.2 15 For 20 minutes preceding expiration
Intraday: 2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) 2.8 15 For 2 hours preceding expiration
Daily Mon-Fri: 4:15pm 4 21 Sun-Fri, 6pm-4:15pm
Weekly Fri: 4:15pm 24 13 Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm

Japan 225

Position limit: 2,500

Duration Expiration Strike width No. of contracts Trading hours
Daily Mon-Fri: 2:25am 80 15 Sun-Fri: 7:45pm-2:25am
Weekly Fri: 2:25am 200 13 Sun-Fri: 7:45pm-2:25am

China 50

Position limit: 2,500

Duration Expiration Strike width No. of contracts Trading hours
Daily Mon-Fri: 3:55am 40 15 Sun-Fri: 9pm-3:55am
Weekly Fri: 3:55am 200 13 Sun-Fri: 9pm-3:55am

Knock-out contracts

Wall Street 30

Position limit: 100

Duration Expiration Range No. of contracts Trading hours Minimum tick size
Weekly Earlier of 4:15pm or when Wall Street 30 Index Value = or is > than the ceiling, or = or is < the floor 500 4 Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm 1

US 500

Position limit: 100

Duration Expiration Range No. of contracts Trading hours Minimum tick size
Weekly Earlier of 4:15pm or when US 500 Index Value = or is > than the ceiling, or = or is < the floor 50 4 Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm 0.1

US Tech 100

Position limit: 100

Duration Expiration Range No. of contracts Trading hours Minimum tick size
Weekly Earlier of 4:15pm or when US Tech 100 Index Value = or is > than the ceiling, or = or is < the floor 150 4 Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm 0.25

US SmallCap 2000

Position limit: 100

Duration Expiration Range No. of contracts Trading hours Minimum tick size
Weekly Earlier of 4:15pm or when US SmallCap 2000 Index Value = or is > than the ceiling, or = or is < the floor 50 4 Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm 0.1

Call spread contracts

Wall Street 30

Position limit: 250

Duration Expiration Strike width No. of contracts Trading hours Minimum tick size
2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm 100 5 For 2 hours preceding expiration 1
8.25-hour Mon-Fri, 4:15pm 300 5 Mon-Fri, 8am-4:15pm 1
Daily Mon-Fri, 4:15pm 400 3 Sun-Fri, 6pm-4:15pm 1
Daily Mon-Fri, 4:15pm 800 1 Sun-Fri, 6pm-4:15pm 1

US 500

Position limit: 250

Duration Expiration Strike width No. of contracts Trading hours Minimum tick size
2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm 10.0 5 For 2 hours preceding expiration 0.1
8.25-hour Mon-Fri, 4:15pm 30.0 5 Mon-Fri, 8am-4:15pm 0.1
Daily Mon-Fri, 4:15pm 40.0 3 Sun-Fri, 6pm-4:15pm 0.1
Daily Mon-Fri, 4:15pm 80.0 1 Sun-Fri, 6pm-4:15pm 0.1

US Tech 100

Position limit: 250

Duration Expiration Strike width No. of contracts Trading hours Minimum tick size
2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm 50 5 For 2 hours preceding expiration 0.25
8.25-hour Mon-Fri, 4:15pm 90 5 Mon-Fri, 8am-4:15pm 0.25
Daily Mon-Fri, 4:15pm 100 3 Sun-Fri, 6pm-4:15pm 0.25
Daily Mon-Fri, 4:15pm 200 1 Sun-Fri, 6pm-4:15pm 0.25

US SmallCap 2000

Position limit: 250

Duration Expiration Strike width No. of contracts Trading hours Minimum tick size
2-hour Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm 7.0 5 For 2 hours preceding expiration 0.1
8.25-hour Mon-Fri, 4:15pm 20.0 5 Mon-Fri, 8am-4:15pm 0.1
Daily Mon-Fri, 4:15pm 30.0 3 Sun-Fri, 6pm-4:15pm 0.1
Daily Mon-Fri, 4:15pm 60.0 1 Sun-Fri, 6pm-4:15pm 0.1

Japan 225

Position limit: 250

Duration Expiration Strike width No. of contracts Trading hours Minimum tick size
Daily Mon-Fri, 2:25am 400 3 Sun-Fri, 7:45pm-2:25am 1
Daily Mon-Fri, 2:25am 800 1 Sun-Fri, 7:45pm-2:25am 1

Pursuant to Nadex Rule 12.1(e), in instances where a duplicate strike width would be generated under the applicable product rule, the strike width for that contract will be adjusted by the pre-determined levels described in this table.

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