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Contract OI history

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Nov 20, 2026 EXPIRATION

PTC $190.00 Put

PTC261120P00190000

Latest saved OI3,208Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PTC $190.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,2081,6040 2026-10-09: 2,219 OI2026-10-13: 2,659 OI2026-10-14: 2,659 OI2026-10-15: 2,728 OI2026-10-16: 2,834 OI2026-10-21: 3,199 OI2026-10-23: 3,208 OI Oct 09, 2026Oct 23, 2026

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

PTC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,208+9
Oct 21, 20263,199+365
Oct 16, 20262,834+106
Oct 15, 20262,728+69
Oct 14, 20262,6590
Oct 13, 20262,659+440
Oct 09, 20262,219No prior observation