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Mar 19, 2027 EXPIRATION

O $45.00 Put

O270319P00045000

Latest saved OI525Oct 23, 2026
Last change+55vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $45.00 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. 5252620 2026-10-02: 116 OI2026-10-05: 116 OI2026-10-06: 135 OI2026-10-07: 135 OI2026-10-08: 145 OI2026-10-09: 347 OI2026-10-13: 347 OI2026-10-14: 353 OI2026-10-15: 353 OI2026-10-16: 400 OI2026-10-21: 470 OI2026-10-23: 525 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, 2026Viewing525+55
Oct 21, 2026470+70
Oct 16, 2026400+47
Oct 15, 20263530
Oct 14, 2026353+6
Oct 13, 20263470
Oct 09, 2026347+202
Oct 08, 2026145+10
Oct 07, 20261350
Oct 06, 2026135+19
Oct 05, 20261160
Oct 02, 2026116No prior observation