OITracker Cboe delayed data

Contract OI history

Back to CTSH

Dec 18, 2026 EXPIRATION

CTSH $50.00 Put

CTSH261218P00050000

Latest saved OI1,337Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CTSH $50.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,3416700 2026-10-09: 1,290 OI2026-10-13: 1,290 OI2026-10-14: 1,288 OI2026-10-15: 1,288 OI2026-10-16: 1,291 OI2026-10-21: 1,341 OI2026-10-23: 1,337 OI Oct 09, 2026Oct 23, 2026

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

CTSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,337-4
Oct 21, 20261,341+50
Oct 16, 20261,291+3
Oct 15, 20261,2880
Oct 14, 20261,288-2
Oct 13, 20261,2900
Oct 09, 20261,290No prior observation