OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

GM $77.50 Put

GM270319P00077500

Latest saved OI1,485Oct 23, 2026
Last change-15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $77.50 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. 1,5007500 2026-10-02: 242 OI2026-10-05: 242 OI2026-10-06: 242 OI2026-10-07: 243 OI2026-10-08: 243 OI2026-10-09: 1,466 OI2026-10-13: 1,473 OI2026-10-14: 1,473 OI2026-10-15: 1,473 OI2026-10-16: 1,473 OI2026-10-21: 1,500 OI2026-10-23: 1,485 OI Oct 02, 2026Oct 23, 2026

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

GM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,485-15
Oct 21, 20261,500+27
Oct 16, 20261,4730
Oct 15, 20261,4730
Oct 14, 20261,4730
Oct 13, 20261,473+7
Oct 09, 20261,466+1,223
Oct 08, 20262430
Oct 07, 2026243+1
Oct 06, 20262420
Oct 05, 20262420
Oct 02, 2026242No prior observation