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Contract OI history

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Jan 21, 2028 EXPIRATION

GEMI $12.50 Put

GEMI280121P00012500

Latest saved OI70Oct 23, 2026
Last change-29vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GEMI $12.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 99490 2026-10-08: 99 OI2026-10-09: 99 OI2026-10-13: 99 OI2026-10-14: 99 OI2026-10-16: 99 OI2026-10-21: 99 OI2026-10-23: 70 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GEMI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing70-29
Oct 21, 2026990
Oct 16, 2026990
Oct 14, 2026990
Oct 13, 2026990
Oct 09, 2026990
Oct 08, 202699No prior observation