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Contract OI history

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Jan 21, 2028 EXPIRATION

SMR $8.00 Put

SMR280121P00008000

Latest saved OI3,487Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $8.00 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. 3,4951,7470 2026-10-02: 3,494 OI2026-10-05: 3,495 OI2026-10-06: 3,493 OI2026-10-07: 3,486 OI2026-10-08: 3,486 OI2026-10-09: 3,480 OI2026-10-13: 3,448 OI2026-10-14: 3,448 OI2026-10-15: 3,457 OI2026-10-16: 3,464 OI2026-10-21: 3,485 OI2026-10-23: 3,487 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, 20263,487+2
Oct 21, 2026Viewing3,485+21
Oct 16, 20263,464+7
Oct 15, 20263,457+9
Oct 14, 20263,4480
Oct 13, 20263,448-32
Oct 09, 20263,480-6
Oct 08, 20263,4860
Oct 07, 20263,486-7
Oct 06, 20263,493-2
Oct 05, 20263,495+1
Oct 02, 20263,494No prior observation