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Contract OI history

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Jan 15, 2027 EXPIRATION

ONON $37.50 Call

ONON270115C00037500

Latest saved OI1,472Oct 23, 2026
Last change0vs 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. 1,4727360 2026-10-02: 1,352 OI2026-10-05: 1,365 OI2026-10-06: 1,364 OI2026-10-07: 1,368 OI2026-10-08: 1,368 OI2026-10-09: 1,341 OI2026-10-13: 1,352 OI2026-10-14: 1,352 OI2026-10-15: 1,353 OI2026-10-16: 1,412 OI2026-10-21: 1,472 OI2026-10-23: 1,472 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, 2026Viewing1,4720
Oct 21, 20261,472+60
Oct 16, 20261,412+59
Oct 15, 20261,353+1
Oct 14, 20261,3520
Oct 13, 20261,352+11
Oct 09, 20261,341-27
Oct 08, 20261,3680
Oct 07, 20261,368+4
Oct 06, 20261,364-1
Oct 05, 20261,365+13
Oct 02, 20261,352No prior observation