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Contract OI history

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Mar 19, 2027 EXPIRATION

T $30.00 Put

T270319P00030000

Latest saved OI54Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $30.00 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. 55270 2026-10-02: 49 OI2026-10-05: 49 OI2026-10-06: 49 OI2026-10-07: 49 OI2026-10-08: 49 OI2026-10-09: 49 OI2026-10-14: 49 OI2026-10-15: 50 OI2026-10-16: 55 OI2026-10-21: 55 OI2026-10-23: 54 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, 2026Viewing54-1
Oct 21, 2026550
Oct 16, 202655+5
Oct 15, 202650+1
Oct 14, 2026490
Oct 09, 2026490
Oct 08, 2026490
Oct 07, 2026490
Oct 06, 2026490
Oct 05, 2026490
Oct 02, 202649No prior observation