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Contract OI history

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Jan 15, 2027 EXPIRATION

PTCT $75.00 Call

PTCT270115C00075000

Latest saved OI23Oct 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. 25120 2026-10-08: 8 OI2026-10-09: 10 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-16: 23 OI2026-10-20: 23 OI2026-10-23: 23 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, 2026230
Oct 20, 2026Viewing230
Oct 16, 202623-2
Oct 14, 2026250
Oct 13, 202625+15
Oct 09, 202610+2
Oct 08, 20268No prior observation