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Contract OI history

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Nov 20, 2026 EXPIRATION

O $55.00 Put

O261120P00055000

Latest saved OI3,691Oct 23, 2026
Last change+284vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $55.00 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. 3,6911,8450 2026-10-02: 1,910 OI2026-10-05: 1,926 OI2026-10-06: 1,973 OI2026-10-07: 1,973 OI2026-10-08: 1,996 OI2026-10-09: 2,015 OI2026-10-13: 2,121 OI2026-10-14: 2,159 OI2026-10-15: 2,208 OI2026-10-16: 2,284 OI2026-10-21: 3,407 OI2026-10-23: 3,691 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,691+284
Oct 21, 20263,407+1,123
Oct 16, 20262,284+76
Oct 15, 20262,208+49
Oct 14, 20262,159+38
Oct 13, 20262,121+106
Oct 09, 20262,015+19
Oct 08, 20261,996+23
Oct 07, 20261,9730
Oct 06, 20261,973+47
Oct 05, 20261,926+16
Oct 02, 20261,910No prior observation