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Contract OI history

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May 21, 2027 EXPIRATION

OPTX $12.50 Call

OPTX270521C00012500

Latest saved OI236Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPTX $12.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2361180 2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-16: 236 OI2026-10-20: 236 OI2026-10-23: 236 OI Oct 09, 2026Oct 23, 2026

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

OPTX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2360
Oct 20, 20262360
Oct 16, 2026236+228
Oct 14, 202680
Oct 13, 202680
Oct 09, 20268No prior observation