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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $300.00 Put

TSM280121P00300000

Latest saved OI1,374Oct 23, 2026
Last change-167vs 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. 1,5687840 2026-10-02: 1,492 OI2026-10-05: 1,492 OI2026-10-06: 1,490 OI2026-10-07: 1,491 OI2026-10-08: 1,491 OI2026-10-09: 1,567 OI2026-10-14: 1,568 OI2026-10-15: 1,564 OI2026-10-16: 1,544 OI2026-10-21: 1,541 OI2026-10-23: 1,374 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, 2026Viewing1,374-167
Oct 21, 20261,541-3
Oct 16, 20261,544-20
Oct 15, 20261,564-4
Oct 14, 20261,568+1
Oct 09, 20261,567+76
Oct 08, 20261,4910
Oct 07, 20261,491+1
Oct 06, 20261,490-2
Oct 05, 20261,4920
Oct 02, 20261,492No prior observation