OITracker Cboe delayed data

Contract OI history

Back to ZWS

Nov 20, 2026 EXPIRATION

ZWS $50.00 Call

ZWS261120C00050000

Latest saved OI1,166Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZWS $50.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1765880 2026-10-02: 23 OI2026-10-05: 23 OI2026-10-06: 1,168 OI2026-10-07: 1,170 OI2026-10-08: 1,170 OI2026-10-09: 1,176 OI2026-10-13: 1,170 OI2026-10-14: 1,173 OI2026-10-16: 1,173 OI2026-10-20: 1,161 OI2026-10-23: 1,166 OI Oct 02, 2026Oct 23, 2026

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

ZWS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,166+5
Oct 20, 20261,161-12
Oct 16, 20261,1730
Oct 14, 20261,173+3
Oct 13, 20261,170-6
Oct 09, 20261,176+6
Oct 08, 20261,1700
Oct 07, 20261,170+2
Oct 06, 20261,168+1,145
Oct 05, 2026230
Oct 02, 202623No prior observation