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Contract OI history

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Jun 17, 2027 EXPIRATION

O $50.00 Put

O270617P00050000

Latest saved OI598Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $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. 5982990 2026-10-02: 565 OI2026-10-05: 576 OI2026-10-06: 572 OI2026-10-07: 572 OI2026-10-08: 572 OI2026-10-09: 573 OI2026-10-13: 574 OI2026-10-14: 573 OI2026-10-15: 572 OI2026-10-16: 596 OI2026-10-21: 597 OI2026-10-23: 598 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing598+1
Oct 21, 2026597+1
Oct 16, 2026596+24
Oct 15, 2026572-1
Oct 14, 2026573-1
Oct 13, 2026574+1
Oct 09, 2026573+1
Oct 08, 20265720
Oct 07, 20265720
Oct 06, 2026572-4
Oct 05, 2026576+11
Oct 02, 2026565No prior observation