OITracker Cboe delayed data

Contract OI history

Back to MA

Jan 21, 2028 EXPIRATION

MA $510.00 Put

MA280121P00510000

Latest saved OI253Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $510.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2531260 2026-10-02: 251 OI2026-10-05: 251 OI2026-10-06: 251 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 253 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 253 OI2026-10-16: 253 OI2026-10-21: 253 OI2026-10-23: 253 OI Oct 02, 2026Oct 23, 2026

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

MA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2530
Oct 21, 20262530
Oct 16, 20262530
Oct 15, 20262530
Oct 14, 20262530
Oct 13, 20262530
Oct 09, 2026253+2
Oct 08, 20262510
Oct 07, 20262510
Oct 06, 20262510
Oct 05, 20262510
Oct 02, 2026251No prior observation