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Contract OI history

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Dec 18, 2026 EXPIRATION

O $50.00 Call

O261218C00050000

Latest saved OI171Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $50.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 171850 2026-10-02: 142 OI2026-10-05: 142 OI2026-10-06: 144 OI2026-10-07: 144 OI2026-10-08: 145 OI2026-10-09: 150 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 160 OI2026-10-16: 160 OI2026-10-21: 162 OI2026-10-23: 171 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing171+9
Oct 21, 2026162+2
Oct 16, 20261600
Oct 15, 2026160+4
Oct 14, 20261560
Oct 13, 2026156+6
Oct 09, 2026150+5
Oct 08, 2026145+1
Oct 07, 20261440
Oct 06, 2026144+2
Oct 05, 20261420
Oct 02, 2026142No prior observation