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Contract OI history

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Jan 21, 2028 EXPIRATION

SMR $37.00 Put

SMR280121P00037000

Latest saved OI0Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $37.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2441220 2026-10-02: 244 OI2026-10-05: 244 OI2026-10-06: 244 OI2026-10-07: 244 OI2026-10-08: 244 OI2026-10-09: 222 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 0 OI2026-10-23: 0 OI Oct 02, 2026Oct 23, 2026

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

SMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202600
Oct 21, 2026Viewing00
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 20260-222
Oct 09, 2026222-22
Oct 08, 20262440
Oct 07, 20262440
Oct 06, 20262440
Oct 05, 20262440
Oct 02, 2026244No prior observation