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Contract OI history

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Dec 18, 2026 EXPIRATION

IT $135.00 Put

IT261218P00135000

Latest saved OI136Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IT $135.00 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. 144720 2026-10-02: 144 OI2026-10-05: 144 OI2026-10-06: 144 OI2026-10-07: 144 OI2026-10-08: 144 OI2026-10-09: 144 OI2026-10-13: 143 OI2026-10-14: 133 OI2026-10-15: 133 OI2026-10-16: 133 OI2026-10-21: 133 OI2026-10-23: 136 OI Oct 02, 2026Oct 23, 2026

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

IT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing136+3
Oct 21, 20261330
Oct 16, 20261330
Oct 15, 20261330
Oct 14, 2026133-10
Oct 13, 2026143-1
Oct 09, 20261440
Oct 08, 20261440
Oct 07, 20261440
Oct 06, 20261440
Oct 05, 20261440
Oct 02, 2026144No prior observation