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Contract OI history

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Oct 23, 2026 EXPIRATION

T $21.00 Put

T261023P00021000

Latest saved OI1,111Oct 23, 2026
Last change+692vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $21.00 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. 1,1115550 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 16 OI2026-10-07: 16 OI2026-10-08: 36 OI2026-10-09: 272 OI2026-10-14: 305 OI2026-10-15: 292 OI2026-10-16: 295 OI2026-10-21: 419 OI2026-10-23: 1,111 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,111+692
Oct 21, 2026419+124
Oct 16, 2026295+3
Oct 15, 2026292-13
Oct 14, 2026305+33
Oct 09, 2026272+236
Oct 08, 202636+20
Oct 07, 2026160
Oct 06, 202616+5
Oct 05, 2026110
Oct 02, 202611No prior observation