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Contract OI history

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Dec 18, 2026 EXPIRATION

ONON $37.50 Call

ONON261218C00037500

Latest saved OI8,814Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $37.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8,8144,4070 2026-10-02: 8,099 OI2026-10-05: 8,114 OI2026-10-06: 8,140 OI2026-10-07: 8,148 OI2026-10-08: 8,148 OI2026-10-09: 8,677 OI2026-10-13: 8,685 OI2026-10-14: 8,685 OI2026-10-15: 8,791 OI2026-10-16: 8,798 OI2026-10-21: 8,801 OI2026-10-23: 8,814 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, 2026Viewing8,814+13
Oct 21, 20268,801+3
Oct 16, 20268,798+7
Oct 15, 20268,791+106
Oct 14, 20268,6850
Oct 13, 20268,685+8
Oct 09, 20268,677+529
Oct 08, 20268,1480
Oct 07, 20268,148+8
Oct 06, 20268,140+26
Oct 05, 20268,114+15
Oct 02, 20268,099No prior observation