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Contract OI history

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Jan 15, 2027 EXPIRATION

PTGX $135.00 Call

PTGX270115C00135000

Latest saved OI505Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTGX $135.00 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. 5062530 2026-10-08: 500 OI2026-10-09: 500 OI2026-10-13: 500 OI2026-10-14: 501 OI2026-10-16: 501 OI2026-10-20: 506 OI2026-10-23: 505 OI Oct 08, 2026Oct 23, 2026

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

PTGX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing505-1
Oct 20, 2026506+5
Oct 16, 20265010
Oct 14, 2026501+1
Oct 13, 20265000
Oct 09, 20265000
Oct 08, 2026500No prior observation