OITracker Cboe delayed data

Contract OI history

Back to IIPR

Dec 18, 2026 EXPIRATION

IIPR $50.00 Put

IIPR261218P00050000

Latest saved OI515Oct 20, 2026
Last change+29vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IIPR $50.00 put open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 5152570 2026-10-02: 503 OI2026-10-05: 503 OI2026-10-06: 504 OI2026-10-07: 503 OI2026-10-08: 502 OI2026-10-09: 501 OI2026-10-13: 498 OI2026-10-16: 486 OI2026-10-20: 515 OI Oct 02, 2026Oct 20, 2026

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

IIPR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing515+29
Oct 16, 2026486-12
Oct 13, 2026498-3
Oct 09, 2026501-1
Oct 08, 2026502-1
Oct 07, 2026503-1
Oct 06, 2026504+1
Oct 05, 20265030
Oct 02, 2026503No prior observation