ry: SPX Dec 2000 Put @ $12.20/ct. S SPX Dec 2125 Call @ $12.50/ct. SPX Dec 1950 Put @ $6.80/ct. S SPX Dec 2145 Call @ $6.70/ct. January Expiry: SPX Jan 2000 Put @ $24.40/ct. S SPX Jan 2125 Call @ $25.30/ct. 8 SPX Jan 1950 Put @ $16.40/ct. S SPX Jan 2145 Call @ $17.00/ct. Please let us know which strik