OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

GIS $37.50 Call

GIS261120C00037500

Latest saved OI2,669Oct 23, 2026
Last change+589vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $37.50 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. 2,6691,3340 2026-10-02: 974 OI2026-10-05: 935 OI2026-10-06: 973 OI2026-10-07: 980 OI2026-10-08: 982 OI2026-10-09: 981 OI2026-10-13: 1,151 OI2026-10-14: 1,174 OI2026-10-15: 1,272 OI2026-10-16: 1,552 OI2026-10-21: 2,080 OI2026-10-23: 2,669 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, 2026Viewing2,669+589
Oct 21, 20262,080+528
Oct 16, 20261,552+280
Oct 15, 20261,272+98
Oct 14, 20261,174+23
Oct 13, 20261,151+170
Oct 09, 2026981-1
Oct 08, 2026982+2
Oct 07, 2026980+7
Oct 06, 2026973+38
Oct 05, 2026935-39
Oct 02, 2026974No prior observation