Contract OI history

Back to ON

Oct 23, 2026 EXPIRATION

ON $59.00 Put

ON261023P00059000

Latest saved OI243Oct 23, 2026
Last change+110vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $59.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2431210 2026-10-09: 18 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 51 OI2026-10-16: 54 OI2026-10-21: 133 OI2026-10-23: 243 OI Oct 09, 2026Oct 23, 2026

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

ON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing243+110
Oct 21, 2026133+79
Oct 16, 202654+3
Oct 15, 2026510
Oct 14, 2026510
Oct 13, 202651+33
Oct 09, 202618No prior observation