OITracker Cboe delayed data

Contract OI history

Back to SPOT

Oct 23, 2026 EXPIRATION

SPOT $400.00 Put

SPOT261023P00400000

Latest saved OI314Oct 23, 2026
Last change+203vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SPOT $400.00 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. 3141570 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 5 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 5 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 23 OI2026-10-16: 23 OI2026-10-21: 111 OI2026-10-23: 314 OI Oct 02, 2026Oct 23, 2026

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

SPOT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing314+203
Oct 21, 2026111+88
Oct 16, 2026230
Oct 15, 2026230
Oct 14, 2026230
Oct 13, 202623+18
Oct 09, 202650
Oct 08, 202650
Oct 07, 202650
Oct 06, 20265+1
Oct 05, 202640
Oct 02, 20264No prior observation