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Contract OI history

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Mar 19, 2027 EXPIRATION

NOW $170.00 Put

NOW270319P00170000

Latest saved OI130Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $170.00 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. 130650 2026-10-02: 55 OI2026-10-05: 55 OI2026-10-06: 55 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 129 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-21: 129 OI2026-10-23: 130 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, 2026130+1
Oct 21, 2026Viewing1290
Oct 16, 20261290
Oct 15, 20261290
Oct 14, 20261290
Oct 13, 20261290
Oct 09, 2026129+74
Oct 08, 2026550
Oct 07, 2026550
Oct 06, 2026550
Oct 05, 2026550
Oct 02, 202655No prior observation