OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CWK $12.50 Put

CWK261120P00012500

Latest saved OI438Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CWK $12.50 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. 4382190 2026-10-02: 415 OI2026-10-05: 418 OI2026-10-06: 422 OI2026-10-07: 432 OI2026-10-08: 432 OI2026-10-09: 432 OI2026-10-13: 433 OI2026-10-14: 435 OI2026-10-16: 435 OI2026-10-21: 437 OI2026-10-23: 438 OI Oct 02, 2026Oct 23, 2026

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

CWK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing438+1
Oct 21, 2026437+2
Oct 16, 20264350
Oct 14, 2026435+2
Oct 13, 2026433+1
Oct 09, 20264320
Oct 08, 20264320
Oct 07, 2026432+10
Oct 06, 2026422+4
Oct 05, 2026418+3
Oct 02, 2026415No prior observation