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Contract OI history

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Jan 19, 2029 EXPIRATION

UNH $290.00 Put

UNH290119P00290000

Latest saved OI193Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $290.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 193960 2026-10-02: 2 OI2026-10-05: 152 OI2026-10-06: 157 OI2026-10-07: 157 OI2026-10-08: 157 OI2026-10-09: 157 OI2026-10-14: 158 OI2026-10-15: 168 OI2026-10-16: 169 OI2026-10-21: 191 OI2026-10-23: 193 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UNH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing193+2
Oct 21, 2026191+22
Oct 16, 2026169+1
Oct 15, 2026168+10
Oct 14, 2026158+1
Oct 09, 20261570
Oct 08, 20261570
Oct 07, 20261570
Oct 06, 2026157+5
Oct 05, 2026152+150
Oct 02, 20262No prior observation