OITracker Cboe delayed data

Contract OI history

Back to CTSH

Nov 20, 2026 EXPIRATION

CTSH $70.00 Put

CTSH261120P00070000

Latest saved OI2,740Oct 23, 2026
Last change+2,708vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CTSH $70.00 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. 2,7401,3700 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 32 OI2026-10-23: 2,740 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, 2026Viewing2,740+2,708
Oct 21, 202632+31
Oct 16, 202610
Oct 15, 202610
Oct 14, 20261+1
Oct 13, 202600
Oct 09, 20260No prior observation