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Contract OI history

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Nov 20, 2026 EXPIRATION

PTGX $130.00 Put

PTGX261120P00130000

Latest saved OI15Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTGX $130.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1570 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 15 OI2026-10-16: 15 OI2026-10-20: 15 OI2026-10-23: 15 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, 2026Viewing150
Oct 20, 2026150
Oct 16, 2026150
Oct 14, 202615+15
Oct 13, 202600
Oct 09, 202600
Oct 08, 20260No prior observation