OITracker Cboe delayed data

Contract OI history

Back to PRMB

Dec 18, 2026 EXPIRATION

PRMB $20.00 Call

PRMB261218C00020000

Latest saved OI154Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PRMB $20.00 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. 154770 2026-10-02: 144 OI2026-10-05: 144 OI2026-10-06: 145 OI2026-10-07: 150 OI2026-10-08: 150 OI2026-10-09: 150 OI2026-10-13: 150 OI2026-10-14: 150 OI2026-10-16: 151 OI2026-10-21: 152 OI2026-10-23: 154 OI Oct 02, 2026Oct 23, 2026

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

PRMB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing154+2
Oct 21, 2026152+1
Oct 16, 2026151+1
Oct 14, 20261500
Oct 13, 20261500
Oct 09, 20261500
Oct 08, 20261500
Oct 07, 2026150+5
Oct 06, 2026145+1
Oct 05, 20261440
Oct 02, 2026144No prior observation