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Contract OI history

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Nov 20, 2026 EXPIRATION

PTCT $75.00 Call

PTCT261120C00075000

Latest saved OI302Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTCT $75.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3031510 2026-10-08: 303 OI2026-10-09: 303 OI2026-10-13: 303 OI2026-10-14: 302 OI2026-10-16: 302 OI2026-10-20: 302 OI2026-10-23: 302 OI Oct 08, 2026Oct 23, 2026

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

PTCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3020
Oct 20, 20263020
Oct 16, 20263020
Oct 14, 2026302-1
Oct 13, 20263030
Oct 09, 20263030
Oct 08, 2026303No prior observation