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Contract OI history

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Dec 18, 2026 EXPIRATION

ONON $32.50 Put

ONON261218P00032500

Latest saved OI1,501Oct 23, 2026
Last change+120vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $32.50 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. 1,5017500 2026-10-02: 1,341 OI2026-10-05: 1,386 OI2026-10-06: 1,414 OI2026-10-07: 1,436 OI2026-10-08: 1,436 OI2026-10-09: 1,363 OI2026-10-13: 1,332 OI2026-10-14: 1,332 OI2026-10-15: 1,342 OI2026-10-16: 1,341 OI2026-10-21: 1,381 OI2026-10-23: 1,501 OI Oct 02, 2026Oct 23, 2026

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

ONON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,501+120
Oct 21, 20261,381+40
Oct 16, 20261,341-1
Oct 15, 20261,342+10
Oct 14, 20261,3320
Oct 13, 20261,332-31
Oct 09, 20261,363-73
Oct 08, 20261,4360
Oct 07, 20261,436+22
Oct 06, 20261,414+28
Oct 05, 20261,386+45
Oct 02, 20261,341No prior observation