OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

CE $50.00 Put

CE280121P00050000

Latest saved OI1,060Oct 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. 1,0675330 2026-10-02: 1,067 OI2026-10-05: 1,065 OI2026-10-06: 1,065 OI2026-10-07: 1,065 OI2026-10-08: 1,065 OI2026-10-09: 1,065 OI2026-10-13: 1,065 OI2026-10-14: 1,063 OI2026-10-16: 1,061 OI2026-10-20: 1,060 OI2026-10-23: 1,060 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, 2026Viewing1,0600
Oct 20, 20261,060-1
Oct 16, 20261,061-2
Oct 14, 20261,063-2
Oct 13, 20261,0650
Oct 09, 20261,0650
Oct 08, 20261,0650
Oct 07, 20261,0650
Oct 06, 20261,0650
Oct 05, 20261,065-2
Oct 02, 20261,067No prior observation