OITracker Cboe delayed data

Contract OI history

Back to SAN

Dec 18, 2026 EXPIRATION

SAN $12.00 Put

SAN261218P00012000

Latest saved OI338Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SAN $12.00 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. 3381690 2026-10-02: 329 OI2026-10-05: 329 OI2026-10-06: 331 OI2026-10-07: 331 OI2026-10-08: 331 OI2026-10-09: 332 OI2026-10-13: 332 OI2026-10-14: 333 OI2026-10-15: 333 OI2026-10-16: 333 OI2026-10-21: 335 OI2026-10-23: 338 OI Oct 02, 2026Oct 23, 2026

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

SAN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026338+3
Oct 21, 2026Viewing335+2
Oct 16, 20263330
Oct 15, 20263330
Oct 14, 2026333+1
Oct 13, 20263320
Oct 09, 2026332+1
Oct 08, 20263310
Oct 07, 20263310
Oct 06, 2026331+2
Oct 05, 20263290
Oct 02, 2026329No prior observation