OITracker Cboe delayed data

Contract OI history

Back to AM

Dec 18, 2026 EXPIRATION

AM $20.00 Put

AM261218P00020000

Latest saved OI8,259Oct 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
AM $20.00 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. 8,2594,1290 2026-10-02: 8,205 OI2026-10-05: 8,207 OI2026-10-06: 8,207 OI2026-10-07: 8,207 OI2026-10-08: 8,207 OI2026-10-09: 8,219 OI2026-10-13: 8,219 OI2026-10-14: 8,219 OI2026-10-15: 8,257 OI2026-10-16: 8,257 OI2026-10-21: 8,258 OI2026-10-23: 8,259 OI Oct 02, 2026Oct 23, 2026

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

AM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8,259+1
Oct 21, 20268,258+1
Oct 16, 20268,2570
Oct 15, 20268,257+38
Oct 14, 20268,2190
Oct 13, 20268,2190
Oct 09, 20268,219+12
Oct 08, 20268,2070
Oct 07, 20268,2070
Oct 06, 20268,2070
Oct 05, 20268,207+2
Oct 02, 20268,205No prior observation