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Contract OI history

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Jan 15, 2027 EXPIRATION

O $55.00 Put

O270115P00055000

Latest saved OI3,598Oct 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 $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. 3,5991,7990 2026-10-02: 3,441 OI2026-10-05: 3,436 OI2026-10-06: 3,455 OI2026-10-07: 3,455 OI2026-10-08: 3,460 OI2026-10-09: 3,469 OI2026-10-13: 3,498 OI2026-10-14: 3,499 OI2026-10-15: 3,538 OI2026-10-16: 3,536 OI2026-10-21: 3,599 OI2026-10-23: 3,598 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, 2026Viewing3,598-1
Oct 21, 20263,599+63
Oct 16, 20263,536-2
Oct 15, 20263,538+39
Oct 14, 20263,499+1
Oct 13, 20263,498+29
Oct 09, 20263,469+9
Oct 08, 20263,460+5
Oct 07, 20263,4550
Oct 06, 20263,455+19
Oct 05, 20263,436-5
Oct 02, 20263,441No prior observation