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Contract OI history

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Oct 23, 2026 EXPIRATION

C $131.00 Put

C261023P00131000

Latest saved OI0Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $131.00 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. 192960 2026-10-02: 64 OI2026-10-05: 64 OI2026-10-06: 71 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 70 OI2026-10-13: 192 OI2026-10-14: 192 OI2026-10-15: 189 OI2026-10-16: 186 OI2026-10-21: 5 OI2026-10-23: 0 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, 2026Viewing0-5
Oct 21, 20265-181
Oct 16, 2026186-3
Oct 15, 2026189-3
Oct 14, 20261920
Oct 13, 2026192+122
Oct 09, 2026700
Oct 08, 2026700
Oct 07, 202670-1
Oct 06, 202671+7
Oct 05, 2026640
Oct 02, 202664No prior observation