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Contract OI history

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Nov 20, 2026 EXPIRATION

GRMN $250.00 Put

GRMN261120P00250000

Latest saved OI1,716Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GRMN $250.00 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. 1,7168580 2026-10-02: 7 OI2026-10-05: 18 OI2026-10-06: 18 OI2026-10-07: 23 OI2026-10-08: 23 OI2026-10-09: 731 OI2026-10-13: 736 OI2026-10-14: 736 OI2026-10-15: 728 OI2026-10-16: 1,058 OI2026-10-21: 1,716 OI2026-10-23: 1,716 OI Oct 02, 2026Oct 23, 2026

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

GRMN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,7160
Oct 21, 20261,716+658
Oct 16, 20261,058+330
Oct 15, 2026728-8
Oct 14, 20267360
Oct 13, 2026736+5
Oct 09, 2026731+708
Oct 08, 2026230
Oct 07, 202623+5
Oct 06, 2026180
Oct 05, 202618+11
Oct 02, 20267No prior observation