OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

S $28.00 Call

S261030C00028000

Latest saved OI135Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $28.00 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. 137680 2026-10-02: 83 OI2026-10-05: 83 OI2026-10-06: 86 OI2026-10-07: 89 OI2026-10-08: 89 OI2026-10-09: 129 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 137 OI2026-10-16: 137 OI2026-10-21: 135 OI2026-10-23: 135 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, 2026Viewing1350
Oct 21, 2026135-2
Oct 16, 20261370
Oct 15, 2026137+2
Oct 14, 20261350
Oct 13, 2026135+6
Oct 09, 2026129+40
Oct 08, 2026890
Oct 07, 202689+3
Oct 06, 202686+3
Oct 05, 2026830
Oct 02, 202683No prior observation