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Contract OI history

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Dec 18, 2026 EXPIRATION

PSN $35.00 Put

PSN261218P00035000

Latest saved OI1,612Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSN $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6388190 2026-10-02: 1,638 OI2026-10-05: 1,638 OI2026-10-06: 1,637 OI2026-10-07: 1,637 OI2026-10-08: 1,637 OI2026-10-09: 1,627 OI2026-10-13: 1,623 OI2026-10-14: 1,623 OI2026-10-15: 1,616 OI2026-10-16: 1,616 OI2026-10-21: 1,612 OI2026-10-23: 1,612 OI Oct 02, 2026Oct 23, 2026

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

PSN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,6120
Oct 21, 20261,612-4
Oct 16, 20261,6160
Oct 15, 20261,616-7
Oct 14, 20261,6230
Oct 13, 20261,623-4
Oct 09, 20261,627-10
Oct 08, 20261,6370
Oct 07, 20261,6370
Oct 06, 20261,637-1
Oct 05, 20261,6380
Oct 02, 20261,638No prior observation