OITracker Cboe delayed data

Contract OI history

Back to S

Dec 18, 2026 EXPIRATION

S $17.00 Put

S261218P00017000

Latest saved OI413Oct 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
S $17.00 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. 4292140 2026-10-02: 429 OI2026-10-05: 427 OI2026-10-06: 426 OI2026-10-07: 419 OI2026-10-08: 419 OI2026-10-09: 414 OI2026-10-13: 404 OI2026-10-14: 404 OI2026-10-15: 404 OI2026-10-16: 411 OI2026-10-21: 412 OI2026-10-23: 413 OI Oct 02, 2026Oct 23, 2026

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

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing413+1
Oct 21, 2026412+1
Oct 16, 2026411+7
Oct 15, 20264040
Oct 14, 20264040
Oct 13, 2026404-10
Oct 09, 2026414-5
Oct 08, 20264190
Oct 07, 2026419-7
Oct 06, 2026426-1
Oct 05, 2026427-2
Oct 02, 2026429No prior observation