OITracker Cboe delayed data

Contract OI history

Back to GIS

Jan 15, 2027 EXPIRATION

GIS $25.00 Put

GIS270115P00025000

Latest saved OI894Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $25.00 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. 8984490 2026-10-02: 615 OI2026-10-05: 615 OI2026-10-06: 618 OI2026-10-07: 618 OI2026-10-08: 618 OI2026-10-09: 618 OI2026-10-13: 618 OI2026-10-14: 618 OI2026-10-15: 628 OI2026-10-16: 898 OI2026-10-21: 894 OI2026-10-23: 894 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, 2026Viewing8940
Oct 21, 2026894-4
Oct 16, 2026898+270
Oct 15, 2026628+10
Oct 14, 20266180
Oct 13, 20266180
Oct 09, 20266180
Oct 08, 20266180
Oct 07, 20266180
Oct 06, 2026618+3
Oct 05, 20266150
Oct 02, 2026615No prior observation