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Contract OI history

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Feb 19, 2027 EXPIRATION

P $55.00 Put

P270219P00055000

Latest saved OI36Oct 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 $55.00 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. 40200 2026-10-02: 40 OI2026-10-05: 40 OI2026-10-06: 40 OI2026-10-07: 40 OI2026-10-08: 40 OI2026-10-09: 39 OI2026-10-13: 39 OI2026-10-14: 39 OI2026-10-15: 39 OI2026-10-16: 40 OI2026-10-21: 36 OI2026-10-23: 36 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, 2026Viewing360
Oct 21, 202636-4
Oct 16, 202640+1
Oct 15, 2026390
Oct 14, 2026390
Oct 13, 2026390
Oct 09, 202639-1
Oct 08, 2026400
Oct 07, 2026400
Oct 06, 2026400
Oct 05, 2026400
Oct 02, 202640No prior observation