OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

ROK $360.00 Put

ROK261120P00360000

Latest saved OI581Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ROK $360.00 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. 5852920 2026-10-02: 21 OI2026-10-05: 21 OI2026-10-06: 21 OI2026-10-07: 21 OI2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-15: 21 OI2026-10-16: 21 OI2026-10-21: 585 OI2026-10-23: 581 OI Oct 02, 2026Oct 23, 2026

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

ROK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing581-4
Oct 21, 2026585+564
Oct 16, 2026210
Oct 15, 2026210
Oct 14, 2026210
Oct 13, 2026210
Oct 09, 2026210
Oct 08, 2026210
Oct 07, 2026210
Oct 06, 2026210
Oct 05, 2026210
Oct 02, 202621No prior observation