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Contract OI history

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Apr 16, 2027 EXPIRATION

T $21.00 Put

T270416P00021000

Latest saved OI301Oct 23, 2026
Last change+24vs 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. 3011500 2026-10-02: 78 OI2026-10-05: 78 OI2026-10-06: 78 OI2026-10-07: 78 OI2026-10-08: 78 OI2026-10-09: 215 OI2026-10-14: 239 OI2026-10-15: 247 OI2026-10-16: 249 OI2026-10-21: 277 OI2026-10-23: 301 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, 2026Viewing301+24
Oct 21, 2026277+28
Oct 16, 2026249+2
Oct 15, 2026247+8
Oct 14, 2026239+24
Oct 09, 2026215+137
Oct 08, 2026780
Oct 07, 2026780
Oct 06, 2026780
Oct 05, 2026780
Oct 02, 202678No prior observation