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Contract OI history

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Jan 15, 2027 EXPIRATION

NAT $3.50 Call

NAT270115C00003500

Latest saved OI159Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $3.50 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. 171850 2026-10-02: 171 OI2026-10-05: 171 OI2026-10-06: 169 OI2026-10-07: 169 OI2026-10-08: 169 OI2026-10-09: 169 OI2026-10-13: 169 OI2026-10-14: 169 OI2026-10-15: 159 OI2026-10-16: 159 OI2026-10-21: 159 OI2026-10-23: 159 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, 2026Viewing1590
Oct 21, 20261590
Oct 16, 20261590
Oct 15, 2026159-10
Oct 14, 20261690
Oct 13, 20261690
Oct 09, 20261690
Oct 08, 20261690
Oct 07, 20261690
Oct 06, 2026169-2
Oct 05, 20261710
Oct 02, 2026171No prior observation