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Contract OI history

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Dec 18, 2026 EXPIRATION

OSCR $27.00 Put

OSCR261218P00027000

Latest saved OI149Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OSCR $27.00 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. 149740 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 5 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 12 OI2026-10-13: 83 OI2026-10-14: 83 OI2026-10-15: 85 OI2026-10-16: 110 OI2026-10-21: 144 OI2026-10-23: 149 OI Oct 02, 2026Oct 23, 2026

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

OSCR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing149+5
Oct 21, 2026144+34
Oct 16, 2026110+25
Oct 15, 202685+2
Oct 14, 2026830
Oct 13, 202683+71
Oct 09, 202612+6
Oct 08, 202660
Oct 07, 20266+1
Oct 06, 20265+4
Oct 05, 202610
Oct 02, 20261No prior observation