OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CE $50.00 Put

CE270115P00050000

Latest saved OI213Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CE $50.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2131060 2026-10-02: 203 OI2026-10-05: 204 OI2026-10-06: 204 OI2026-10-07: 204 OI2026-10-08: 201 OI2026-10-09: 201 OI2026-10-13: 201 OI2026-10-14: 191 OI2026-10-16: 191 OI2026-10-20: 213 OI2026-10-23: 213 OI Oct 02, 2026Oct 23, 2026

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

CE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2130
Oct 20, 2026213+22
Oct 16, 20261910
Oct 14, 2026191-10
Oct 13, 20262010
Oct 09, 20262010
Oct 08, 2026201-3
Oct 07, 20262040
Oct 06, 20262040
Oct 05, 2026204+1
Oct 02, 2026203No prior observation