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Contract OI history

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May 21, 2027 EXPIRATION

OSS $10.00 Call

OSS270521C00010000

Latest saved OI30Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $10.00 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. 30150 2026-10-08: 13 OI2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-16: 30 OI2026-10-20: 30 OI2026-10-23: 30 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, 2026300
Oct 20, 2026Viewing300
Oct 16, 202630+17
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 2026130
Oct 08, 202613No prior observation