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Oct 23, 2026 EXPIRATION

C $128.00 Put

C261023P00128000

Latest saved OI1Oct 23, 2026
Last change-267vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $128.00 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. 2681340 2026-10-02: 180 OI2026-10-05: 180 OI2026-10-06: 189 OI2026-10-07: 188 OI2026-10-08: 188 OI2026-10-09: 194 OI2026-10-13: 229 OI2026-10-14: 229 OI2026-10-15: 229 OI2026-10-16: 257 OI2026-10-21: 268 OI2026-10-23: 1 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, 2026Viewing1-267
Oct 21, 2026268+11
Oct 16, 2026257+28
Oct 15, 20262290
Oct 14, 20262290
Oct 13, 2026229+35
Oct 09, 2026194+6
Oct 08, 20261880
Oct 07, 2026188-1
Oct 06, 2026189+9
Oct 05, 20261800
Oct 02, 2026180No prior observation