OITracker Cboe delayed data

Contract OI history

Back to PRIM

Dec 18, 2026 EXPIRATION

PRIM $150.00 Call

PRIM261218C00150000

Latest saved OI353Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PRIM $150.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3531760 2026-10-02: 333 OI2026-10-05: 333 OI2026-10-06: 333 OI2026-10-07: 333 OI2026-10-08: 333 OI2026-10-09: 333 OI2026-10-13: 333 OI2026-10-14: 333 OI2026-10-16: 353 OI2026-10-21: 353 OI2026-10-23: 353 OI Oct 02, 2026Oct 23, 2026

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

PRIM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263530
Oct 21, 2026Viewing3530
Oct 16, 2026353+20
Oct 14, 20263330
Oct 13, 20263330
Oct 09, 20263330
Oct 08, 20263330
Oct 07, 20263330
Oct 06, 20263330
Oct 05, 20263330
Oct 02, 2026333No prior observation