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Contract OI history

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Apr 16, 2027 EXPIRATION

IBM $235.00 Put

IBM270416P00235000

Latest saved OI186Oct 23, 2026
Last change+27vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $235.00 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. 186930 2026-10-02: 150 OI2026-10-05: 150 OI2026-10-06: 150 OI2026-10-07: 150 OI2026-10-08: 150 OI2026-10-09: 150 OI2026-10-13: 157 OI2026-10-14: 157 OI2026-10-15: 156 OI2026-10-16: 156 OI2026-10-21: 159 OI2026-10-23: 186 OI Oct 02, 2026Oct 23, 2026

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

IBM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing186+27
Oct 21, 2026159+3
Oct 16, 20261560
Oct 15, 2026156-1
Oct 14, 20261570
Oct 13, 2026157+7
Oct 09, 20261500
Oct 08, 20261500
Oct 07, 20261500
Oct 06, 20261500
Oct 05, 20261500
Oct 02, 2026150No prior observation