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Contract OI history

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Jan 15, 2027 EXPIRATION

FSK $10.00 Put

FSK270115P00010000

Latest saved OI1,797Oct 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 $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. 1,7978980 2026-10-01: 1,461 OI2026-10-05: 1,466 OI2026-10-06: 1,466 OI2026-10-07: 1,467 OI2026-10-08: 1,467 OI2026-10-09: 1,467 OI2026-10-13: 1,796 OI2026-10-14: 1,796 OI2026-10-16: 1,796 OI2026-10-21: 1,797 OI2026-10-23: 1,797 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, 20261,7970
Oct 21, 2026Viewing1,797+1
Oct 16, 20261,7960
Oct 14, 20261,7960
Oct 13, 20261,796+329
Oct 09, 20261,4670
Oct 08, 20261,4670
Oct 07, 20261,467+1
Oct 06, 20261,4660
Oct 05, 20261,466+5
Oct 01, 20261,461No prior observation