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Contract OI history

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Nov 20, 2026 EXPIRATION

MIAX $40.00 Call

MIAX261120C00040000

Latest saved OI609Oct 23, 2026
Last change+126vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MIAX $40.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6093040 2026-10-02: 277 OI2026-10-05: 279 OI2026-10-06: 280 OI2026-10-07: 416 OI2026-10-08: 416 OI2026-10-09: 416 OI2026-10-13: 449 OI2026-10-14: 451 OI2026-10-16: 451 OI2026-10-20: 483 OI2026-10-23: 609 OI Oct 02, 2026Oct 23, 2026

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

MIAX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing609+126
Oct 20, 2026483+32
Oct 16, 20264510
Oct 14, 2026451+2
Oct 13, 2026449+33
Oct 09, 20264160
Oct 08, 20264160
Oct 07, 2026416+136
Oct 06, 2026280+1
Oct 05, 2026279+2
Oct 02, 2026277No prior observation