OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

S $35.00 Call

S280121C00035000

Latest saved OI4,431Oct 23, 2026
Last change+31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $35.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,4312,2150 2026-10-02: 4,326 OI2026-10-05: 4,322 OI2026-10-06: 4,319 OI2026-10-07: 4,318 OI2026-10-08: 4,318 OI2026-10-09: 4,324 OI2026-10-13: 4,327 OI2026-10-14: 4,327 OI2026-10-15: 4,324 OI2026-10-16: 4,352 OI2026-10-21: 4,400 OI2026-10-23: 4,431 OI Oct 02, 2026Oct 23, 2026

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

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,431+31
Oct 21, 20264,400+48
Oct 16, 20264,352+28
Oct 15, 20264,324-3
Oct 14, 20264,3270
Oct 13, 20264,327+3
Oct 09, 20264,324+6
Oct 08, 20264,3180
Oct 07, 20264,318-1
Oct 06, 20264,319-3
Oct 05, 20264,322-4
Oct 02, 20264,326No prior observation