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Mar 19, 2027 EXPIRATION

O $47.50 Put

O270319P00047500

Latest saved OI499Oct 23, 2026
Last change+32vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $47.50 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. 4992490 2026-10-02: 294 OI2026-10-05: 291 OI2026-10-06: 317 OI2026-10-07: 317 OI2026-10-08: 330 OI2026-10-09: 332 OI2026-10-13: 342 OI2026-10-14: 342 OI2026-10-15: 347 OI2026-10-16: 346 OI2026-10-21: 467 OI2026-10-23: 499 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, 2026Viewing499+32
Oct 21, 2026467+121
Oct 16, 2026346-1
Oct 15, 2026347+5
Oct 14, 20263420
Oct 13, 2026342+10
Oct 09, 2026332+2
Oct 08, 2026330+13
Oct 07, 20263170
Oct 06, 2026317+26
Oct 05, 2026291-3
Oct 02, 2026294No prior observation