OITracker Cboe delayed data

Contract OI history

Back to TDC

Nov 20, 2026 EXPIRATION

TDC $22.50 Put

TDC261120P00022500

Latest saved OI172Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TDC $22.50 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. 174870 2026-10-02: 151 OI2026-10-05: 147 OI2026-10-06: 159 OI2026-10-07: 159 OI2026-10-08: 159 OI2026-10-09: 157 OI2026-10-13: 172 OI2026-10-15: 172 OI2026-10-16: 170 OI2026-10-21: 174 OI2026-10-23: 172 OI Oct 02, 2026Oct 23, 2026

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

TDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing172-2
Oct 21, 2026174+4
Oct 16, 2026170-2
Oct 15, 20261720
Oct 13, 2026172+15
Oct 09, 2026157-2
Oct 08, 20261590
Oct 07, 20261590
Oct 06, 2026159+12
Oct 05, 2026147-4
Oct 02, 2026151No prior observation