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Contract OI history

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Nov 20, 2026 EXPIRATION

SKM $40.00 Put

SKM261120P00040000

Latest saved OI236Oct 23, 2026
Last change-200vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SKM $40.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0395190 2026-10-02: 406 OI2026-10-05: 1,006 OI2026-10-06: 1,006 OI2026-10-07: 1,006 OI2026-10-08: 1,039 OI2026-10-09: 1,039 OI2026-10-13: 1,039 OI2026-10-14: 1,039 OI2026-10-15: 1,039 OI2026-10-20: 436 OI2026-10-23: 236 OI Oct 02, 2026Oct 23, 2026

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

SKM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026236-200
Oct 20, 2026Viewing436-603
Oct 15, 20261,0390
Oct 14, 20261,0390
Oct 13, 20261,0390
Oct 09, 20261,0390
Oct 08, 20261,039+33
Oct 07, 20261,0060
Oct 06, 20261,0060
Oct 05, 20261,006+600
Oct 02, 2026406No prior observation