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Contract OI history

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Jan 21, 2028 EXPIRATION

SRPT $17.50 Put

SRPT280121P00017500

Latest saved OI89Oct 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 $17.50 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. 89440 2026-10-09: 57 OI2026-10-13: 57 OI2026-10-14: 58 OI2026-10-16: 58 OI2026-10-20: 58 OI2026-10-23: 89 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, 202689+31
Oct 20, 2026Viewing580
Oct 16, 2026580
Oct 14, 202658+1
Oct 13, 2026570
Oct 09, 202657No prior observation