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Contract OI history

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Oct 23, 2026 EXPIRATION

SRPT $18.50 Put

SRPT261023P00018500

Latest saved OI31Oct 23, 2026
Last change+31vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SRPT $18.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 31150 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-16: 0 OI2026-10-20: 0 OI2026-10-23: 31 OI Oct 09, 2026Oct 23, 2026

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

SRPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202631+31
Oct 20, 2026Viewing00
Oct 16, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation