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Dec 18, 2026 EXPIRATION

O $47.50 Put

O261218P00047500

Latest saved OI221Oct 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 $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. 2211100 2026-10-02: 181 OI2026-10-05: 181 OI2026-10-06: 196 OI2026-10-07: 196 OI2026-10-08: 219 OI2026-10-09: 215 OI2026-10-13: 220 OI2026-10-14: 220 OI2026-10-15: 220 OI2026-10-16: 219 OI2026-10-21: 221 OI2026-10-23: 221 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, 2026Viewing2210
Oct 21, 2026221+2
Oct 16, 2026219-1
Oct 15, 20262200
Oct 14, 20262200
Oct 13, 2026220+5
Oct 09, 2026215-4
Oct 08, 2026219+23
Oct 07, 20261960
Oct 06, 2026196+15
Oct 05, 20261810
Oct 02, 2026181No prior observation