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Contract OI history

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Jan 21, 2028 EXPIRATION

NOW $180.00 Put

NOW280121P00180000

Latest saved OI122Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $180.00 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. 122610 2026-10-02: 111 OI2026-10-05: 111 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 111 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 111 OI2026-10-16: 114 OI2026-10-21: 114 OI2026-10-23: 122 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, 2026Viewing122+8
Oct 21, 20261140
Oct 16, 2026114+3
Oct 15, 20261110
Oct 14, 20261110
Oct 13, 20261110
Oct 09, 20261110
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 20261110
Oct 05, 20261110
Oct 02, 2026111No prior observation