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Contract OI history

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Dec 18, 2026 EXPIRATION

SPXC $170.00 Put

SPXC261218P00170000

Latest saved OI470Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SPXC $170.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4722360 2026-10-02: 441 OI2026-10-05: 442 OI2026-10-06: 472 OI2026-10-07: 472 OI2026-10-08: 472 OI2026-10-09: 472 OI2026-10-13: 472 OI2026-10-14: 472 OI2026-10-15: 472 OI2026-10-16: 472 OI2026-10-21: 470 OI2026-10-23: 470 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SPXC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264700
Oct 21, 2026Viewing470-2
Oct 16, 20264720
Oct 15, 20264720
Oct 14, 20264720
Oct 13, 20264720
Oct 09, 20264720
Oct 08, 20264720
Oct 07, 20264720
Oct 06, 2026472+30
Oct 05, 2026442+1
Oct 02, 2026441No prior observation