OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

W $121.00 Put

W261023P00121000

Latest saved OI7Oct 23, 2026
Last change-2vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
W $121.00 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 940 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 9 OI2026-10-23: 7 OI Oct 13, 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, 2026Viewing7-2
Oct 21, 20269+9
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 20260No prior observation