Contract OI history

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Jan 21, 2028 EXPIRATION

GIS $50.00 Put

GIS280121P00050000

Latest saved OI374Oct 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 $50.00 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. 3741870 2026-10-02: 370 OI2026-10-05: 370 OI2026-10-06: 370 OI2026-10-07: 370 OI2026-10-08: 368 OI2026-10-09: 368 OI2026-10-13: 368 OI2026-10-14: 369 OI2026-10-15: 369 OI2026-10-16: 374 OI2026-10-21: 374 OI2026-10-23: 374 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, 2026Viewing3740
Oct 21, 20263740
Oct 16, 2026374+5
Oct 15, 20263690
Oct 14, 2026369+1
Oct 13, 20263680
Oct 09, 20263680
Oct 08, 2026368-2
Oct 07, 20263700
Oct 06, 20263700
Oct 05, 20263700
Oct 02, 2026370No prior observation