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Contract OI history

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Dec 18, 2026 EXPIRATION

GDYN $7.50 Put

GDYN261218P00007500

Latest saved OI508Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GDYN $7.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 5232610 2026-10-08: 523 OI2026-10-09: 523 OI2026-10-13: 523 OI2026-10-14: 523 OI2026-10-16: 508 OI2026-10-20: 508 OI Oct 08, 2026Oct 20, 2026

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

GDYN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing5080
Oct 16, 2026508-15
Oct 14, 20265230
Oct 13, 20265230
Oct 09, 20265230
Oct 08, 2026523No prior observation