OITracker Cboe delayed data

Contract OI history

Back to TXN

Jun 17, 2027 EXPIRATION

TXN $280.00 Put

TXN270617P00280000

Latest saved OI209Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TXN $280.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2431210 2026-10-09: 243 OI2026-10-14: 243 OI2026-10-15: 242 OI2026-10-16: 242 OI2026-10-21: 213 OI2026-10-23: 209 OI Oct 09, 2026Oct 23, 2026

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

TXN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing209-4
Oct 21, 2026213-29
Oct 16, 20262420
Oct 15, 2026242-1
Oct 14, 20262430
Oct 09, 2026243No prior observation