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Contract OI history

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Jan 15, 2027 EXPIRATION

OII $35.00 Put

OII270115P00035000

Latest saved OI1,025Oct 23, 2026
Last change+995vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OII $35.00 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. 1,0255120 2026-10-02: 30 OI2026-10-05: 30 OI2026-10-06: 30 OI2026-10-07: 30 OI2026-10-08: 30 OI2026-10-09: 30 OI2026-10-13: 31 OI2026-10-14: 31 OI2026-10-15: 30 OI2026-10-16: 30 OI2026-10-21: 30 OI2026-10-23: 1,025 OI Oct 02, 2026Oct 23, 2026

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

OII contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,025+995
Oct 21, 2026Viewing300
Oct 16, 2026300
Oct 15, 202630-1
Oct 14, 2026310
Oct 13, 202631+1
Oct 09, 2026300
Oct 08, 2026300
Oct 07, 2026300
Oct 06, 2026300
Oct 05, 2026300
Oct 02, 202630No prior observation