OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

M $22.00 Put

M261120P00022000

Latest saved OI702Oct 23, 2026
Last change+57vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $22.00 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. 7023510 2026-10-02: 474 OI2026-10-05: 476 OI2026-10-06: 478 OI2026-10-07: 479 OI2026-10-08: 479 OI2026-10-09: 498 OI2026-10-13: 505 OI2026-10-14: 505 OI2026-10-15: 512 OI2026-10-16: 512 OI2026-10-21: 645 OI2026-10-23: 702 OI Oct 02, 2026Oct 23, 2026

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

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing702+57
Oct 21, 2026645+133
Oct 16, 20265120
Oct 15, 2026512+7
Oct 14, 20265050
Oct 13, 2026505+7
Oct 09, 2026498+19
Oct 08, 20264790
Oct 07, 2026479+1
Oct 06, 2026478+2
Oct 05, 2026476+2
Oct 02, 2026474No prior observation