OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MAIN $54.70 Put

MAIN261120P00054700

Latest saved OI337Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MAIN $54.70 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3381690 2026-10-02: 57 OI2026-10-05: 62 OI2026-10-06: 144 OI2026-10-07: 152 OI2026-10-08: 158 OI2026-10-13: 206 OI2026-10-14: 211 OI2026-10-15: 226 OI2026-10-16: 230 OI2026-10-21: 338 OI2026-10-23: 337 OI Oct 02, 2026Oct 23, 2026

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

MAIN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026337-1
Oct 21, 2026Viewing338+108
Oct 16, 2026230+4
Oct 15, 2026226+15
Oct 14, 2026211+5
Oct 13, 2026206+48
Oct 08, 2026158+6
Oct 07, 2026152+8
Oct 06, 2026144+82
Oct 05, 202662+5
Oct 02, 202657No prior observation