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Contract OI history

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Nov 06, 2026 EXPIRATION

T $21.50 Put

T261106P00021500

Latest saved OI415Oct 23, 2026
Last change+123vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $21.50 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. 4152070 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 233 OI2026-10-14: 266 OI2026-10-15: 267 OI2026-10-16: 254 OI2026-10-21: 292 OI2026-10-23: 415 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, 2026Viewing415+123
Oct 21, 2026292+38
Oct 16, 2026254-13
Oct 15, 2026267+1
Oct 14, 2026266+33
Oct 09, 2026233+221
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 202612+2
Oct 05, 2026100
Oct 02, 202610No prior observation