OITracker Cboe delayed data

Contract OI history

Back to TSN

Dec 18, 2026 EXPIRATION

TSN $52.50 Put

TSN261218P00052500

Latest saved OI311Oct 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
TSN $52.50 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. 3111550 2026-10-02: 296 OI2026-10-05: 296 OI2026-10-06: 298 OI2026-10-07: 297 OI2026-10-08: 297 OI2026-10-09: 297 OI2026-10-14: 308 OI2026-10-15: 308 OI2026-10-16: 308 OI2026-10-21: 310 OI2026-10-23: 311 OI Oct 02, 2026Oct 23, 2026

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

TSN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing311+1
Oct 21, 2026310+2
Oct 16, 20263080
Oct 15, 20263080
Oct 14, 2026308+11
Oct 09, 20262970
Oct 08, 20262970
Oct 07, 2026297-1
Oct 06, 2026298+2
Oct 05, 20262960
Oct 02, 2026296No prior observation