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Contract OI history

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Jan 15, 2027 EXPIRATION

SRZN $12.50 Put

SRZN270115P00012500

Latest saved OI99Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SRZN $12.50 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. 99490 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 10 OI2026-10-16: 30 OI2026-10-20: 99 OI2026-10-23: 99 OI Oct 09, 2026Oct 23, 2026

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

SRZN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026990
Oct 20, 2026Viewing99+69
Oct 16, 202630+20
Oct 14, 202610+10
Oct 13, 202600
Oct 09, 20260No prior observation