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Contract OI history

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Jan 21, 2028 EXPIRATION

NOW $128.00 Put

NOW280121P00128000

Latest saved OI261Oct 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 $128.00 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. 2611300 2026-10-02: 245 OI2026-10-05: 230 OI2026-10-06: 230 OI2026-10-07: 230 OI2026-10-08: 230 OI2026-10-09: 260 OI2026-10-13: 260 OI2026-10-14: 260 OI2026-10-15: 259 OI2026-10-16: 259 OI2026-10-21: 259 OI2026-10-23: 261 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, 2026261+2
Oct 21, 2026Viewing2590
Oct 16, 20262590
Oct 15, 2026259-1
Oct 14, 20262600
Oct 13, 20262600
Oct 09, 2026260+30
Oct 08, 20262300
Oct 07, 20262300
Oct 06, 20262300
Oct 05, 2026230-15
Oct 02, 2026245No prior observation