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Contract OI history

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Nov 20, 2026 EXPIRATION

PTEN $12.00 Put

PTEN261120P00012000

Latest saved OI250Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PTEN $12.00 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. 2501250 2026-10-09: 164 OI2026-10-13: 164 OI2026-10-14: 154 OI2026-10-15: 152 OI2026-10-16: 242 OI2026-10-21: 250 OI2026-10-23: 250 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, 2026Viewing2500
Oct 21, 2026250+8
Oct 16, 2026242+90
Oct 15, 2026152-2
Oct 14, 2026154-10
Oct 13, 20261640
Oct 09, 2026164No prior observation