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Contract OI history

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Jan 19, 2029 EXPIRATION

TSM $300.00 Put

TSM290119P00300000

Latest saved OI229Oct 23, 2026
Last change+7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $300.00 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. 2291140 2026-10-02: 66 OI2026-10-05: 72 OI2026-10-06: 77 OI2026-10-07: 106 OI2026-10-08: 106 OI2026-10-09: 130 OI2026-10-14: 159 OI2026-10-15: 196 OI2026-10-16: 198 OI2026-10-21: 222 OI2026-10-23: 229 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, 2026Viewing229+7
Oct 21, 2026222+24
Oct 16, 2026198+2
Oct 15, 2026196+37
Oct 14, 2026159+29
Oct 09, 2026130+24
Oct 08, 20261060
Oct 07, 2026106+29
Oct 06, 202677+5
Oct 05, 202672+6
Oct 02, 202666No prior observation