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Contract OI history

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Dec 18, 2026 EXPIRATION

OSS $20.00 Call

OSS261218C00020000

Latest saved OI123Oct 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 $20.00 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. 124620 2026-10-08: 124 OI2026-10-09: 123 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-16: 123 OI2026-10-20: 123 OI2026-10-23: 123 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, 2026Viewing1230
Oct 20, 20261230
Oct 16, 20261230
Oct 14, 20261230
Oct 13, 20261230
Oct 09, 2026123-1
Oct 08, 2026124No prior observation