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Jan 21, 2028 EXPIRATION

C $160.00 Put

C280121P00160000

Latest saved OI161Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $160.00 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. 180900 2026-10-02: 178 OI2026-10-05: 178 OI2026-10-06: 178 OI2026-10-07: 179 OI2026-10-08: 179 OI2026-10-09: 179 OI2026-10-13: 180 OI2026-10-14: 180 OI2026-10-15: 180 OI2026-10-16: 180 OI2026-10-21: 161 OI2026-10-23: 161 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, 2026Viewing1610
Oct 21, 2026161-19
Oct 16, 20261800
Oct 15, 20261800
Oct 14, 20261800
Oct 13, 2026180+1
Oct 09, 20261790
Oct 08, 20261790
Oct 07, 2026179+1
Oct 06, 20261780
Oct 05, 20261780
Oct 02, 2026178No prior observation