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Contract OI history

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Nov 20, 2026 EXPIRATION

P $50.00 Put

P261120P00050000

Latest saved OI651Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
P $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. 6513250 2026-10-02: 651 OI2026-10-05: 651 OI2026-10-06: 651 OI2026-10-07: 651 OI2026-10-08: 651 OI2026-10-09: 651 OI2026-10-13: 651 OI2026-10-14: 651 OI2026-10-15: 651 OI2026-10-16: 651 OI2026-10-21: 651 OI2026-10-23: 651 OI Oct 02, 2026Oct 23, 2026

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

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20266510
Oct 21, 2026Viewing6510
Oct 16, 20266510
Oct 15, 20266510
Oct 14, 20266510
Oct 13, 20266510
Oct 09, 20266510
Oct 08, 20266510
Oct 07, 20266510
Oct 06, 20266510
Oct 05, 20266510
Oct 02, 2026651No prior observation