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Contract OI history

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Nov 13, 2026 EXPIRATION

F $13.50 Put

F261113P00013500

Latest saved OI48Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $13.50 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. 54270 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 44 OI2026-10-07: 50 OI2026-10-08: 50 OI2026-10-09: 54 OI2026-10-13: 54 OI2026-10-14: 54 OI2026-10-15: 54 OI2026-10-16: 48 OI2026-10-21: 48 OI2026-10-23: 48 OI Oct 02, 2026Oct 23, 2026

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

F contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing480
Oct 21, 2026480
Oct 16, 202648-6
Oct 15, 2026540
Oct 14, 2026540
Oct 13, 2026540
Oct 09, 202654+4
Oct 08, 2026500
Oct 07, 202650+6
Oct 06, 202644+43
Oct 05, 202610
Oct 02, 20261No prior observation