OITracker Cboe delayed data

Contract OI history

Back to FSK

Jan 15, 2027 EXPIRATION

FSK $17.50 Call

FSK270115C00017500

Latest saved OI808Oct 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 $17.50 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. 8084040 2026-10-01: 808 OI2026-10-05: 808 OI2026-10-06: 808 OI2026-10-07: 808 OI2026-10-08: 808 OI2026-10-09: 808 OI2026-10-13: 808 OI2026-10-14: 808 OI2026-10-16: 808 OI2026-10-21: 808 OI2026-10-23: 808 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, 2026Viewing8080
Oct 21, 20268080
Oct 16, 20268080
Oct 14, 20268080
Oct 13, 20268080
Oct 09, 20268080
Oct 08, 20268080
Oct 07, 20268080
Oct 06, 20268080
Oct 05, 20268080
Oct 01, 2026808No prior observation