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Contract OI history

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Dec 18, 2026 EXPIRATION

TAL $12.00 Put

TAL261218P00012000

Latest saved OI451Oct 23, 2026
Last change+22vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAL $12.00 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. 4512250 2026-10-02: 0 OI2026-10-05: 1 OI2026-10-06: 49 OI2026-10-07: 49 OI2026-10-08: 49 OI2026-10-09: 49 OI2026-10-13: 49 OI2026-10-14: 49 OI2026-10-16: 63 OI2026-10-20: 429 OI2026-10-23: 451 OI Oct 02, 2026Oct 23, 2026

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

TAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing451+22
Oct 20, 2026429+366
Oct 16, 202663+14
Oct 14, 2026490
Oct 13, 2026490
Oct 09, 2026490
Oct 08, 2026490
Oct 07, 2026490
Oct 06, 202649+48
Oct 05, 20261+1
Oct 02, 20260No prior observation