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Contract OI history

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Dec 18, 2026 EXPIRATION

F $13.00 Put

F261218P00013000

Latest saved OI21,061Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $13.00 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. 21,06110,5300 2026-10-02: 20,916 OI2026-10-05: 20,916 OI2026-10-06: 20,953 OI2026-10-07: 20,991 OI2026-10-08: 20,991 OI2026-10-09: 20,988 OI2026-10-13: 21,025 OI2026-10-14: 21,025 OI2026-10-15: 21,034 OI2026-10-16: 21,028 OI2026-10-21: 21,059 OI2026-10-23: 21,061 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, 2026Viewing21,061+2
Oct 21, 202621,059+31
Oct 16, 202621,028-6
Oct 15, 202621,034+9
Oct 14, 202621,0250
Oct 13, 202621,025+37
Oct 09, 202620,988-3
Oct 08, 202620,9910
Oct 07, 202620,991+38
Oct 06, 202620,953+37
Oct 05, 202620,9160
Oct 02, 202620,916No prior observation