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Contract OI history

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Jan 15, 2027 EXPIRATION

PTEN $10.00 Put

PTEN270115P00010000

Latest saved OI521Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PTEN $10.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5222610 2026-10-09: 522 OI2026-10-13: 522 OI2026-10-14: 522 OI2026-10-15: 522 OI2026-10-16: 522 OI2026-10-21: 520 OI2026-10-23: 521 OI Oct 09, 2026Oct 23, 2026

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

PTEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing521+1
Oct 21, 2026520-2
Oct 16, 20265220
Oct 15, 20265220
Oct 14, 20265220
Oct 13, 20265220
Oct 09, 2026522No prior observation