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Contract OI history

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Dec 18, 2026 EXPIRATION

ONTO $430.00 Call

ONTO261218C00430000

Latest saved OI294Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONTO $430.00 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. 3321660 2026-10-02: 292 OI2026-10-05: 332 OI2026-10-06: 332 OI2026-10-07: 296 OI2026-10-08: 291 OI2026-10-09: 294 OI2026-10-13: 294 OI2026-10-14: 294 OI2026-10-15: 294 OI2026-10-16: 294 OI2026-10-21: 294 OI2026-10-23: 294 OI Oct 02, 2026Oct 23, 2026

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

ONTO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2940
Oct 21, 20262940
Oct 16, 20262940
Oct 15, 20262940
Oct 14, 20262940
Oct 13, 20262940
Oct 09, 2026294+3
Oct 08, 2026291-5
Oct 07, 2026296-36
Oct 06, 20263320
Oct 05, 2026332+40
Oct 02, 2026292No prior observation