OITracker Cboe delayed data

Contract OI history

Back to GIS

Sep 17, 2027 EXPIRATION

GIS $35.00 Call

GIS270917C00035000

Latest saved OI548Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $35.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5522760 2026-10-02: 526 OI2026-10-05: 526 OI2026-10-06: 526 OI2026-10-07: 526 OI2026-10-08: 528 OI2026-10-09: 528 OI2026-10-13: 537 OI2026-10-14: 537 OI2026-10-15: 540 OI2026-10-16: 550 OI2026-10-21: 552 OI2026-10-23: 548 OI Oct 02, 2026Oct 23, 2026

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

GIS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing548-4
Oct 21, 2026552+2
Oct 16, 2026550+10
Oct 15, 2026540+3
Oct 14, 20265370
Oct 13, 2026537+9
Oct 09, 20265280
Oct 08, 2026528+2
Oct 07, 20265260
Oct 06, 20265260
Oct 05, 20265260
Oct 02, 2026526No prior observation