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Contract OI history

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Jan 21, 2028 EXPIRATION

C $87.50 Put

C280121P00087500

Latest saved OI735Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $87.50 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. 7353670 2026-10-02: 735 OI2026-10-05: 735 OI2026-10-06: 735 OI2026-10-07: 735 OI2026-10-08: 735 OI2026-10-09: 735 OI2026-10-13: 735 OI2026-10-14: 735 OI2026-10-15: 735 OI2026-10-16: 735 OI2026-10-21: 735 OI2026-10-23: 735 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7350
Oct 21, 20267350
Oct 16, 20267350
Oct 15, 20267350
Oct 14, 20267350
Oct 13, 20267350
Oct 09, 20267350
Oct 08, 20267350
Oct 07, 20267350
Oct 06, 20267350
Oct 05, 20267350
Oct 02, 2026735No prior observation