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Contract OI history

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Jun 17, 2027 EXPIRATION

O $52.50 Put

O270617P00052500

Latest saved OI408Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $52.50 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. 4082040 2026-10-02: 379 OI2026-10-05: 383 OI2026-10-06: 391 OI2026-10-07: 391 OI2026-10-08: 391 OI2026-10-09: 396 OI2026-10-13: 404 OI2026-10-14: 405 OI2026-10-15: 405 OI2026-10-16: 405 OI2026-10-21: 408 OI2026-10-23: 408 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, 2026Viewing4080
Oct 21, 2026408+3
Oct 16, 20264050
Oct 15, 20264050
Oct 14, 2026405+1
Oct 13, 2026404+8
Oct 09, 2026396+5
Oct 08, 20263910
Oct 07, 20263910
Oct 06, 2026391+8
Oct 05, 2026383+4
Oct 02, 2026379No prior observation