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Contract OI history

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Jun 17, 2027 EXPIRATION

ONON $37.50 Call

ONON270617C00037500

Latest saved OI584Oct 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
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. 5842920 2026-10-02: 568 OI2026-10-05: 568 OI2026-10-06: 575 OI2026-10-07: 575 OI2026-10-08: 575 OI2026-10-09: 574 OI2026-10-13: 574 OI2026-10-14: 574 OI2026-10-15: 574 OI2026-10-16: 574 OI2026-10-21: 583 OI2026-10-23: 584 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, 2026Viewing584+1
Oct 21, 2026583+9
Oct 16, 20265740
Oct 15, 20265740
Oct 14, 20265740
Oct 13, 20265740
Oct 09, 2026574-1
Oct 08, 20265750
Oct 07, 20265750
Oct 06, 2026575+7
Oct 05, 20265680
Oct 02, 2026568No prior observation