OITracker Cboe delayed data

Contract OI history

Back to GIS

Nov 20, 2026 EXPIRATION

GIS $32.50 Put

GIS261120P00032500

Latest saved OI1,769Oct 23, 2026
Last change+44vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $32.50 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. 1,7698840 2026-10-02: 616 OI2026-10-05: 620 OI2026-10-06: 647 OI2026-10-07: 668 OI2026-10-08: 668 OI2026-10-09: 696 OI2026-10-13: 752 OI2026-10-14: 933 OI2026-10-15: 978 OI2026-10-16: 1,082 OI2026-10-21: 1,725 OI2026-10-23: 1,769 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, 2026Viewing1,769+44
Oct 21, 20261,725+643
Oct 16, 20261,082+104
Oct 15, 2026978+45
Oct 14, 2026933+181
Oct 13, 2026752+56
Oct 09, 2026696+28
Oct 08, 20266680
Oct 07, 2026668+21
Oct 06, 2026647+27
Oct 05, 2026620+4
Oct 02, 2026616No prior observation