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Contract OI history

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Jan 21, 2028 EXPIRATION

NAT $10.00 Call

NAT280121C00010000

Latest saved OI654Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $10.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6593290 2026-10-02: 614 OI2026-10-05: 617 OI2026-10-06: 620 OI2026-10-07: 622 OI2026-10-08: 623 OI2026-10-09: 629 OI2026-10-13: 631 OI2026-10-14: 643 OI2026-10-15: 659 OI2026-10-16: 659 OI2026-10-21: 659 OI2026-10-23: 654 OI Oct 02, 2026Oct 23, 2026

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

NAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing654-5
Oct 21, 20266590
Oct 16, 20266590
Oct 15, 2026659+16
Oct 14, 2026643+12
Oct 13, 2026631+2
Oct 09, 2026629+6
Oct 08, 2026623+1
Oct 07, 2026622+2
Oct 06, 2026620+3
Oct 05, 2026617+3
Oct 02, 2026614No prior observation