Contract OI history

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Dec 18, 2026 EXPIRATION

MIAX $50.00 Call

MIAX261218C00050000

Latest saved OI286Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MIAX $50.00 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. 2861430 2026-10-02: 245 OI2026-10-05: 245 OI2026-10-06: 245 OI2026-10-07: 278 OI2026-10-08: 278 OI2026-10-09: 277 OI2026-10-13: 286 OI2026-10-14: 286 OI2026-10-16: 286 OI2026-10-20: 286 OI2026-10-23: 286 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, 2026Viewing2860
Oct 20, 20262860
Oct 16, 20262860
Oct 14, 20262860
Oct 13, 2026286+9
Oct 09, 2026277-1
Oct 08, 20262780
Oct 07, 2026278+33
Oct 06, 20262450
Oct 05, 20262450
Oct 02, 2026245No prior observation