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Contract OI history

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Dec 18, 2026 EXPIRATION

C $97.50 Put

C261218P00097500

Latest saved OI2,089Oct 23, 2026
Last change+25vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $97.50 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. 2,0891,0440 2026-10-02: 2,025 OI2026-10-05: 2,025 OI2026-10-06: 2,016 OI2026-10-07: 2,016 OI2026-10-08: 2,016 OI2026-10-09: 2,015 OI2026-10-13: 2,014 OI2026-10-14: 2,014 OI2026-10-15: 2,014 OI2026-10-16: 2,014 OI2026-10-21: 2,064 OI2026-10-23: 2,089 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,089+25
Oct 21, 20262,064+50
Oct 16, 20262,0140
Oct 15, 20262,0140
Oct 14, 20262,0140
Oct 13, 20262,014-1
Oct 09, 20262,015-1
Oct 08, 20262,0160
Oct 07, 20262,0160
Oct 06, 20262,016-9
Oct 05, 20262,0250
Oct 02, 20262,025No prior observation