OITracker Cboe delayed data

Contract OI history

Back to OSS

Dec 18, 2026 EXPIRATION

OSS $10.00 Call

OSS261218C00010000

Latest saved OI339Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $10.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3391690 2026-10-08: 215 OI2026-10-09: 217 OI2026-10-13: 223 OI2026-10-14: 322 OI2026-10-16: 317 OI2026-10-20: 319 OI2026-10-23: 339 OI Oct 08, 2026Oct 23, 2026

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

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing339+20
Oct 20, 2026319+2
Oct 16, 2026317-5
Oct 14, 2026322+99
Oct 13, 2026223+6
Oct 09, 2026217+2
Oct 08, 2026215No prior observation