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Contract OI history

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Jan 15, 2027 EXPIRATION

SO $75.00 Put

SO270115P00075000

Latest saved OI287Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $75.00 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. 2891440 2026-10-02: 285 OI2026-10-05: 289 OI2026-10-06: 289 OI2026-10-07: 289 OI2026-10-08: 289 OI2026-10-09: 289 OI2026-10-13: 285 OI2026-10-14: 285 OI2026-10-15: 280 OI2026-10-16: 282 OI2026-10-21: 283 OI2026-10-23: 287 OI Oct 02, 2026Oct 23, 2026

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

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing287+4
Oct 21, 2026283+1
Oct 16, 2026282+2
Oct 15, 2026280-5
Oct 14, 20262850
Oct 13, 2026285-4
Oct 09, 20262890
Oct 08, 20262890
Oct 07, 20262890
Oct 06, 20262890
Oct 05, 2026289+4
Oct 02, 2026285No prior observation