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Contract OI history

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Dec 18, 2026 EXPIRATION

FSK $7.50 Put

FSK261218P00007500

Latest saved OI3,281Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
FSK $7.50 put open interest history 11 saved observations from 2026-10-01 to 2026-10-23. Exact values and changes are listed in the table below. 3,2811,6400 2026-10-01: 756 OI2026-10-05: 756 OI2026-10-06: 756 OI2026-10-07: 756 OI2026-10-08: 754 OI2026-10-09: 754 OI2026-10-13: 3,279 OI2026-10-14: 3,279 OI2026-10-16: 3,279 OI2026-10-21: 3,281 OI2026-10-23: 3,281 OI Oct 01, 2026Oct 23, 2026

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

FSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263,2810
Oct 21, 2026Viewing3,281+2
Oct 16, 20263,2790
Oct 14, 20263,2790
Oct 13, 20263,279+2,525
Oct 09, 20267540
Oct 08, 2026754-2
Oct 07, 20267560
Oct 06, 20267560
Oct 05, 20267560
Oct 01, 2026756No prior observation