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Contract OI history

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Nov 20, 2026 EXPIRATION

OSS $7.50 Put

OSS261120P00007500

Latest saved OI409Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $7.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4372180 2026-10-08: 315 OI2026-10-09: 341 OI2026-10-13: 364 OI2026-10-14: 435 OI2026-10-16: 437 OI2026-10-20: 406 OI2026-10-23: 409 OI Oct 08, 2026Oct 23, 2026

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

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026409+3
Oct 20, 2026Viewing406-31
Oct 16, 2026437+2
Oct 14, 2026435+71
Oct 13, 2026364+23
Oct 09, 2026341+26
Oct 08, 2026315No prior observation