OITracker Cboe delayed data

Contract OI history

Back to ESTC

Nov 20, 2026 EXPIRATION

ESTC $80.00 Put

ESTC261120P00080000

Latest saved OI161Oct 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
ESTC $80.00 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. 161800 2026-10-02: 120 OI2026-10-05: 120 OI2026-10-06: 120 OI2026-10-07: 118 OI2026-10-08: 118 OI2026-10-09: 125 OI2026-10-13: 128 OI2026-10-14: 130 OI2026-10-16: 143 OI2026-10-20: 160 OI2026-10-23: 161 OI Oct 02, 2026Oct 23, 2026

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

ESTC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing161+1
Oct 20, 2026160+17
Oct 16, 2026143+13
Oct 14, 2026130+2
Oct 13, 2026128+3
Oct 09, 2026125+7
Oct 08, 20261180
Oct 07, 2026118-2
Oct 06, 20261200
Oct 05, 20261200
Oct 02, 2026120No prior observation