OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

W $120.00 Put

W270115P00120000

Latest saved OI121Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $120.00 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. 122610 2026-10-02: 114 OI2026-10-05: 114 OI2026-10-06: 117 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 114 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 120 OI2026-10-16: 120 OI2026-10-21: 122 OI2026-10-23: 121 OI Oct 02, 2026Oct 23, 2026

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

W contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026121-1
Oct 21, 2026Viewing122+2
Oct 16, 20261200
Oct 15, 20261200
Oct 14, 20261200
Oct 13, 2026120+6
Oct 09, 2026114-1
Oct 08, 20261150
Oct 07, 2026115-2
Oct 06, 2026117+3
Oct 05, 20261140
Oct 02, 2026114No prior observation