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Contract OI history

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Feb 19, 2027 EXPIRATION

OSS $40.00 Call

OSS270219C00040000

Latest saved OI144Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $40.00 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. 149740 2026-10-08: 149 OI2026-10-09: 149 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-16: 149 OI2026-10-20: 149 OI2026-10-23: 144 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, 2026144-5
Oct 20, 2026Viewing1490
Oct 16, 20261490
Oct 14, 20261490
Oct 13, 20261490
Oct 09, 20261490
Oct 08, 2026149No prior observation