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Contract OI history

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Jan 21, 2028 EXPIRATION

ONON $37.50 Call

ONON280121C00037500

Latest saved OI5,506Oct 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. 5,5062,7530 2026-10-02: 5,486 OI2026-10-05: 5,486 OI2026-10-06: 5,486 OI2026-10-07: 5,486 OI2026-10-08: 5,486 OI2026-10-09: 5,486 OI2026-10-13: 5,486 OI2026-10-14: 5,486 OI2026-10-15: 5,486 OI2026-10-16: 5,486 OI2026-10-21: 5,506 OI2026-10-23: 5,506 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, 2026Viewing5,5060
Oct 21, 20265,506+20
Oct 16, 20265,4860
Oct 15, 20265,4860
Oct 14, 20265,4860
Oct 13, 20265,4860
Oct 09, 20265,4860
Oct 08, 20265,4860
Oct 07, 20265,4860
Oct 06, 20265,4860
Oct 05, 20265,4860
Oct 02, 20265,486No prior observation