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Contract OI history

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Nov 20, 2026 EXPIRATION

PII $50.00 Put

PII261120P00050000

Latest saved OI242Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PII $50.00 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. 2421210 2026-10-02: 239 OI2026-10-05: 239 OI2026-10-06: 240 OI2026-10-07: 240 OI2026-10-08: 240 OI2026-10-09: 240 OI2026-10-13: 240 OI2026-10-14: 240 OI2026-10-15: 240 OI2026-10-16: 240 OI2026-10-21: 242 OI2026-10-23: 242 OI Oct 02, 2026Oct 23, 2026

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

PII contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262420
Oct 21, 2026Viewing242+2
Oct 16, 20262400
Oct 15, 20262400
Oct 14, 20262400
Oct 13, 20262400
Oct 09, 20262400
Oct 08, 20262400
Oct 07, 20262400
Oct 06, 2026240+1
Oct 05, 20262390
Oct 02, 2026239No prior observation