OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

GIS $27.50 Put

GIS270416P00027500

Latest saved OI129Oct 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 $27.50 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. 129640 2026-10-02: 79 OI2026-10-05: 79 OI2026-10-06: 79 OI2026-10-07: 99 OI2026-10-08: 101 OI2026-10-09: 101 OI2026-10-13: 104 OI2026-10-14: 104 OI2026-10-15: 104 OI2026-10-16: 105 OI2026-10-21: 125 OI2026-10-23: 129 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, 2026Viewing129+4
Oct 21, 2026125+20
Oct 16, 2026105+1
Oct 15, 20261040
Oct 14, 20261040
Oct 13, 2026104+3
Oct 09, 20261010
Oct 08, 2026101+2
Oct 07, 202699+20
Oct 06, 2026790
Oct 05, 2026790
Oct 02, 202679No prior observation