OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

GIS $30.00 Put

GIS261218P00030000

Latest saved OI4,381Oct 23, 2026
Last change-75vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $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. 4,4562,2280 2026-10-02: 2,842 OI2026-10-05: 2,840 OI2026-10-06: 2,921 OI2026-10-07: 2,952 OI2026-10-08: 2,977 OI2026-10-09: 2,987 OI2026-10-13: 3,024 OI2026-10-14: 3,081 OI2026-10-15: 3,996 OI2026-10-16: 4,002 OI2026-10-21: 4,456 OI2026-10-23: 4,381 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, 2026Viewing4,381-75
Oct 21, 20264,456+454
Oct 16, 20264,002+6
Oct 15, 20263,996+915
Oct 14, 20263,081+57
Oct 13, 20263,024+37
Oct 09, 20262,987+10
Oct 08, 20262,977+25
Oct 07, 20262,952+31
Oct 06, 20262,921+81
Oct 05, 20262,840-2
Oct 02, 20262,842No prior observation