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Contract OI history

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Jun 16, 2028 EXPIRATION

TSM $310.00 Put

TSM280616P00310000

Latest saved OI143Oct 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 $310.00 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. 143710 2026-10-02: 128 OI2026-10-05: 128 OI2026-10-06: 128 OI2026-10-07: 129 OI2026-10-08: 129 OI2026-10-09: 130 OI2026-10-14: 130 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-21: 143 OI2026-10-23: 143 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, 2026Viewing1430
Oct 21, 20261430
Oct 16, 20261430
Oct 15, 2026143+13
Oct 14, 20261300
Oct 09, 2026130+1
Oct 08, 20261290
Oct 07, 2026129+1
Oct 06, 20261280
Oct 05, 20261280
Oct 02, 2026128No prior observation