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Contract OI history

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Nov 27, 2026 EXPIRATION

T $20.50 Put

T261127P00020500

Latest saved OI51Oct 23, 2026
Last change+48vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
T $20.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 51250 2026-10-08: 0 OI2026-10-09: 2 OI2026-10-14: 2 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 3 OI2026-10-23: 51 OI Oct 08, 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, 2026Viewing51+48
Oct 21, 202630
Oct 16, 202630
Oct 15, 20263+1
Oct 14, 202620
Oct 09, 20262+2
Oct 08, 20260No prior observation