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Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $344.00 Call

NOW261218C00344000

Latest saved OI1,208Oct 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
NOW $344.00 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. 1,2086040 2026-10-02: 1,011 OI2026-10-05: 1,047 OI2026-10-06: 1,149 OI2026-10-07: 1,148 OI2026-10-08: 1,148 OI2026-10-09: 1,196 OI2026-10-13: 1,197 OI2026-10-14: 1,197 OI2026-10-15: 1,197 OI2026-10-16: 1,197 OI2026-10-21: 1,206 OI2026-10-23: 1,208 OI Oct 02, 2026Oct 23, 2026

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

NOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,208+2
Oct 21, 20261,206+9
Oct 16, 20261,1970
Oct 15, 20261,1970
Oct 14, 20261,1970
Oct 13, 20261,197+1
Oct 09, 20261,196+48
Oct 08, 20261,1480
Oct 07, 20261,148-1
Oct 06, 20261,149+102
Oct 05, 20261,047+36
Oct 02, 20261,011No prior observation