S&P 500 Index (SPX)
23 days15 Nov 24 about 2 months20 Dec 24 3 months17 Jan 25 4 months21 Feb 25 5 months21 Mar 25 6 months17 Apr 25 7 months16 May 25 8 months20 Jun 25 9 months18 Jul 25 10 months15 Aug 25 11 months19 Sep 25 12 months17 Oct 25 about 1 year19 Dec 25 16 Jan 26 over 1 year18 Jun 26 about 2 years18 Dec 26 about 3 years17 Dec 27 about 4 years15 Dec 28 about 5 years21 Dec 29
E-mini S&P 500 Futures (ES)
23 days15 Nov 24 15 Nov 24 about 3 years17 Dec 27 17 Dec 27 5 months31 Mar 25
Crude Oil Futures (CL)
23 days15 Nov 24
Henry Hub Natural Gas (NG)
2 months26 Dec 24

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Jul '25 SPX Box Spreads

S&P 500 Index (SPX)
updated daily, quoted in USD

Calculate

LongShort

Days to expiry

Spread

Quantity

Commission

Rate

Limit order price

Borrow 100,000 today, repay 100,000 on July 18th, 2025

Example trade

Sell 1 SPX 18JUL25 4000 CALL
Buy  1 SPX 18JUL25 4000 PUT
Buy  1 SPX 18JUL25 5000 CALL
Sell 1 SPX 18JUL25 5000 PUT

Order Book(1 min delay)

Rate	Size	Spread	Price

Order Book data provided by

SyntheticFi, box spreads made easy.