Dec '26 SPX Box Spreads

S&P 500 Index (SPX)
updated daily, quoted in USD
Borrow 100,000 today, repay 100,000 on December 18th, 2026

Example trade

Sell 1 SPX 18DEC26 4000 CALL
Buy 1 SPX 18DEC26 4000 PUT
Buy 1 SPX 18DEC26 5000 CALL
Sell 1 SPX 18DEC26 5000 PUT

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Order Book