OITracker Cboe delayed data

Contract OI history

Back to IOT

Dec 18, 2026 EXPIRATION

IOT $30.00 Put

IOT261218P00030000

Latest saved OI300Oct 23, 2026
Last change-50vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IOT $30.00 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. 3511750 2026-10-02: 309 OI2026-10-05: 297 OI2026-10-06: 297 OI2026-10-07: 297 OI2026-10-08: 297 OI2026-10-09: 297 OI2026-10-13: 346 OI2026-10-14: 346 OI2026-10-15: 351 OI2026-10-16: 351 OI2026-10-21: 350 OI2026-10-23: 300 OI Oct 02, 2026Oct 23, 2026

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

IOT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing300-50
Oct 21, 2026350-1
Oct 16, 20263510
Oct 15, 2026351+5
Oct 14, 20263460
Oct 13, 2026346+49
Oct 09, 20262970
Oct 08, 20262970
Oct 07, 20262970
Oct 06, 20262970
Oct 05, 2026297-12
Oct 02, 2026309No prior observation