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Contract OI history

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Dec 15, 2028 EXPIRATION

IBM $225.00 Put

IBM281215P00225000

Latest saved OI235Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $225.00 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. 2361180 2026-10-02: 233 OI2026-10-05: 233 OI2026-10-06: 233 OI2026-10-07: 233 OI2026-10-08: 233 OI2026-10-09: 233 OI2026-10-13: 236 OI2026-10-14: 236 OI2026-10-15: 236 OI2026-10-16: 236 OI2026-10-21: 235 OI2026-10-23: 235 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, 2026Viewing2350
Oct 21, 2026235-1
Oct 16, 20262360
Oct 15, 20262360
Oct 14, 20262360
Oct 13, 2026236+3
Oct 09, 20262330
Oct 08, 20262330
Oct 07, 20262330
Oct 06, 20262330
Oct 05, 20262330
Oct 02, 2026233No prior observation