OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SES $2.50 Call

SES280121C00002500

Latest saved OI524Oct 23, 2026
Last change+85vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SES $2.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5242620 2026-10-02: 374 OI2026-10-05: 377 OI2026-10-06: 378 OI2026-10-07: 392 OI2026-10-08: 394 OI2026-10-09: 395 OI2026-10-13: 389 OI2026-10-14: 389 OI2026-10-16: 395 OI2026-10-20: 439 OI2026-10-23: 524 OI Oct 02, 2026Oct 23, 2026

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

SES contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing524+85
Oct 20, 2026439+44
Oct 16, 2026395+6
Oct 14, 20263890
Oct 13, 2026389-6
Oct 09, 2026395+1
Oct 08, 2026394+2
Oct 07, 2026392+14
Oct 06, 2026378+1
Oct 05, 2026377+3
Oct 02, 2026374No prior observation