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Contract OI history

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Nov 20, 2026 EXPIRATION

FSK $10.00 Put

FSK261120P00010000

Latest saved OI3,463Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
FSK $10.00 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. 3,4631,7310 2026-10-01: 0 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 274 OI2026-10-08: 274 OI2026-10-09: 274 OI2026-10-13: 274 OI2026-10-14: 3,385 OI2026-10-16: 3,385 OI2026-10-21: 3,459 OI2026-10-23: 3,463 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, 2026Viewing3,463+4
Oct 21, 20263,459+74
Oct 16, 20263,3850
Oct 14, 20263,385+3,111
Oct 13, 20262740
Oct 09, 20262740
Oct 08, 20262740
Oct 07, 2026274+273
Oct 06, 202610
Oct 05, 20261+1
Oct 01, 20260No prior observation