OITracker Cboe delayed data

Contract OI history

Back to TSM

Jan 15, 2027 EXPIRATION

TSM $510.00 Put

TSM270115P00510000

Latest saved OI274Oct 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 $510.00 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. 2761380 2026-10-02: 255 OI2026-10-05: 255 OI2026-10-06: 257 OI2026-10-07: 268 OI2026-10-08: 268 OI2026-10-09: 272 OI2026-10-14: 275 OI2026-10-15: 276 OI2026-10-16: 274 OI2026-10-21: 274 OI2026-10-23: 274 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, 2026Viewing2740
Oct 21, 20262740
Oct 16, 2026274-2
Oct 15, 2026276+1
Oct 14, 2026275+3
Oct 09, 2026272+4
Oct 08, 20262680
Oct 07, 2026268+11
Oct 06, 2026257+2
Oct 05, 20262550
Oct 02, 2026255No prior observation