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Contract OI history

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Nov 20, 2026 EXPIRATION

OSS $12.50 Call

OSS261120C00012500

Latest saved OI6,566Oct 23, 2026
Last change+50vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $12.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8,5524,2760 2026-10-08: 8,548 OI2026-10-09: 8,552 OI2026-10-13: 8,521 OI2026-10-14: 8,522 OI2026-10-16: 6,518 OI2026-10-20: 6,516 OI2026-10-23: 6,566 OI Oct 08, 2026Oct 23, 2026

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

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20266,566+50
Oct 20, 2026Viewing6,516-2
Oct 16, 20266,518-2,004
Oct 14, 20268,522+1
Oct 13, 20268,521-31
Oct 09, 20268,552+4
Oct 08, 20268,548No prior observation