OITracker Cboe delayed data

Contract OI history

Back to TSM

Jan 15, 2027 EXPIRATION

TSM $490.00 Put

TSM270115P00490000

Latest saved OI571Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $490.00 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. 6723360 2026-10-02: 123 OI2026-10-05: 127 OI2026-10-06: 667 OI2026-10-07: 672 OI2026-10-08: 672 OI2026-10-09: 670 OI2026-10-14: 510 OI2026-10-15: 518 OI2026-10-16: 529 OI2026-10-21: 571 OI2026-10-23: 571 OI Oct 02, 2026Oct 23, 2026

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

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5710
Oct 21, 2026571+42
Oct 16, 2026529+11
Oct 15, 2026518+8
Oct 14, 2026510-160
Oct 09, 2026670-2
Oct 08, 20266720
Oct 07, 2026672+5
Oct 06, 2026667+540
Oct 05, 2026127+4
Oct 02, 2026123No prior observation