OITracker Cboe delayed data

Contract OI history

Back to PTCT

Jan 21, 2028 EXPIRATION

PTCT $35.00 Call

PTCT280121C00035000

Latest saved OI215Oct 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 $35.00 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. 2151070 2026-10-08: 170 OI2026-10-09: 212 OI2026-10-13: 215 OI2026-10-14: 215 OI2026-10-16: 215 OI2026-10-20: 215 OI2026-10-23: 215 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, 20262150
Oct 20, 2026Viewing2150
Oct 16, 20262150
Oct 14, 20262150
Oct 13, 2026215+3
Oct 09, 2026212+42
Oct 08, 2026170No prior observation