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Contract OI history

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Jan 21, 2028 EXPIRATION

SSRM $18.00 Put

SSRM280121P00018000

Latest saved OI297Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SSRM $18.00 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. 2971480 2026-10-09: 297 OI2026-10-13: 297 OI2026-10-14: 297 OI2026-10-16: 297 OI2026-10-20: 297 OI2026-10-23: 297 OI Oct 09, 2026Oct 23, 2026

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

SSRM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262970
Oct 20, 2026Viewing2970
Oct 16, 20262970
Oct 14, 20262970
Oct 13, 20262970
Oct 09, 2026297No prior observation