OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SE $50.00 Put

SE270115P00050000

Latest saved OI364Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SE $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. 3641820 2026-10-02: 360 OI2026-10-05: 360 OI2026-10-06: 360 OI2026-10-07: 360 OI2026-10-08: 360 OI2026-10-09: 360 OI2026-10-13: 359 OI2026-10-14: 359 OI2026-10-16: 359 OI2026-10-21: 364 OI2026-10-23: 364 OI Oct 02, 2026Oct 23, 2026

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

SE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3640
Oct 21, 2026364+5
Oct 16, 20263590
Oct 14, 20263590
Oct 13, 2026359-1
Oct 09, 20263600
Oct 08, 20263600
Oct 07, 20263600
Oct 06, 20263600
Oct 05, 20263600
Oct 02, 2026360No prior observation