OITracker Cboe delayed data

Contract OI history

Back to FSK

Dec 18, 2026 EXPIRATION

FSK $10.00 Call

FSK261218C00010000

Latest saved OI166Oct 23, 2026
Last change+23vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
FSK $10.00 call open interest history 11 saved observations from 2026-10-01 to 2026-10-23. Exact values and changes are listed in the table below. 166830 2026-10-01: 140 OI2026-10-05: 140 OI2026-10-06: 138 OI2026-10-07: 125 OI2026-10-08: 139 OI2026-10-09: 139 OI2026-10-13: 139 OI2026-10-14: 140 OI2026-10-16: 140 OI2026-10-21: 143 OI2026-10-23: 166 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, 2026166+23
Oct 21, 2026Viewing143+3
Oct 16, 20261400
Oct 14, 2026140+1
Oct 13, 20261390
Oct 09, 20261390
Oct 08, 2026139+14
Oct 07, 2026125-13
Oct 06, 2026138-2
Oct 05, 20261400
Oct 01, 2026140No prior observation