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Contract OI history

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Jan 21, 2028 EXPIRATION

NAT $7.00 Call

NAT280121C00007000

Latest saved OI316Oct 23, 2026
Last change+50vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $7.00 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. 3161580 2026-10-02: 149 OI2026-10-05: 149 OI2026-10-06: 151 OI2026-10-07: 151 OI2026-10-08: 151 OI2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 154 OI2026-10-15: 157 OI2026-10-16: 158 OI2026-10-21: 266 OI2026-10-23: 316 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, 2026Viewing316+50
Oct 21, 2026266+108
Oct 16, 2026158+1
Oct 15, 2026157+3
Oct 14, 20261540
Oct 13, 20261540
Oct 09, 2026154+3
Oct 08, 20261510
Oct 07, 20261510
Oct 06, 2026151+2
Oct 05, 20261490
Oct 02, 2026149No prior observation