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Contract OI history

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Dec 18, 2026 EXPIRATION

GEHC $55.00 Put

GEHC261218P00055000

Latest saved OI637Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEHC $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6483240 2026-10-09: 648 OI2026-10-13: 647 OI2026-10-14: 647 OI2026-10-15: 647 OI2026-10-16: 637 OI2026-10-21: 639 OI2026-10-23: 637 OI Oct 09, 2026Oct 23, 2026

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

GEHC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing637-2
Oct 21, 2026639+2
Oct 16, 2026637-10
Oct 15, 20266470
Oct 14, 20266470
Oct 13, 2026647-1
Oct 09, 2026648No prior observation