OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

STM $60.00 Put

STM261218P00060000

Latest saved OI52Oct 23, 2026
Last change0vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $60.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 52260 2026-10-15: 0 OI2026-10-16: 1 OI2026-10-21: 52 OI2026-10-23: 52 OI Oct 15, 2026Oct 23, 2026

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

STM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026520
Oct 21, 2026Viewing52+51
Oct 16, 20261+1
Oct 15, 20260No prior observation