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Contract OI history

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Dec 18, 2026 EXPIRATION

RIG $3.50 Put

RIG261218P00003500

Latest saved OI5,877Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIG $3.50 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. 5,8772,9380 2026-10-02: 5,846 OI2026-10-05: 5,877 OI2026-10-06: 5,877 OI2026-10-07: 5,877 OI2026-10-08: 5,877 OI2026-10-09: 5,877 OI2026-10-13: 5,877 OI2026-10-14: 5,877 OI2026-10-15: 5,877 OI2026-10-16: 5,877 OI2026-10-21: 5,877 OI2026-10-23: 5,877 OI Oct 02, 2026Oct 23, 2026

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

RIG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,8770
Oct 21, 20265,8770
Oct 16, 20265,8770
Oct 15, 20265,8770
Oct 14, 20265,8770
Oct 13, 20265,8770
Oct 09, 20265,8770
Oct 08, 20265,8770
Oct 07, 20265,8770
Oct 06, 20265,8770
Oct 05, 20265,877+31
Oct 02, 20265,846No prior observation