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Contract OI history

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Nov 20, 2026 EXPIRATION

O $50.00 Put

O261120P00050000

Latest saved OI2,129Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $50.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,1291,0640 2026-10-02: 706 OI2026-10-05: 919 OI2026-10-06: 1,484 OI2026-10-07: 1,484 OI2026-10-08: 2,000 OI2026-10-09: 2,034 OI2026-10-13: 2,046 OI2026-10-14: 2,042 OI2026-10-15: 2,088 OI2026-10-16: 2,071 OI2026-10-21: 2,116 OI2026-10-23: 2,129 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, 2026Viewing2,129+13
Oct 21, 20262,116+45
Oct 16, 20262,071-17
Oct 15, 20262,088+46
Oct 14, 20262,042-4
Oct 13, 20262,046+12
Oct 09, 20262,034+34
Oct 08, 20262,000+516
Oct 07, 20261,4840
Oct 06, 20261,484+565
Oct 05, 2026919+213
Oct 02, 2026706No prior observation