OITracker Cboe delayed data

Contract OI history

Back to MA

Mar 19, 2027 EXPIRATION

MA $510.00 Put

MA270319P00510000

Latest saved OI300Oct 23, 2026
Last change+4vs 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. 3001500 2026-10-02: 274 OI2026-10-05: 276 OI2026-10-06: 276 OI2026-10-07: 276 OI2026-10-08: 276 OI2026-10-09: 290 OI2026-10-13: 291 OI2026-10-14: 291 OI2026-10-15: 296 OI2026-10-16: 296 OI2026-10-21: 296 OI2026-10-23: 300 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, 2026Viewing300+4
Oct 21, 20262960
Oct 16, 20262960
Oct 15, 2026296+5
Oct 14, 20262910
Oct 13, 2026291+1
Oct 09, 2026290+14
Oct 08, 20262760
Oct 07, 20262760
Oct 06, 20262760
Oct 05, 2026276+2
Oct 02, 2026274No prior observation