OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

S $40.00 Call

S270115C00040000

Latest saved OI8,014Oct 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 $40.00 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. 8,0264,0130 2026-10-02: 8,026 OI2026-10-05: 8,025 OI2026-10-06: 8,025 OI2026-10-07: 8,019 OI2026-10-08: 8,019 OI2026-10-09: 8,018 OI2026-10-13: 8,004 OI2026-10-14: 8,004 OI2026-10-15: 8,014 OI2026-10-16: 8,014 OI2026-10-21: 8,014 OI2026-10-23: 8,014 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, 2026Viewing8,0140
Oct 21, 20268,0140
Oct 16, 20268,0140
Oct 15, 20268,014+10
Oct 14, 20268,0040
Oct 13, 20268,004-14
Oct 09, 20268,018-1
Oct 08, 20268,0190
Oct 07, 20268,019-6
Oct 06, 20268,0250
Oct 05, 20268,025-1
Oct 02, 20268,026No prior observation