OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SM $32.50 Put

SM261120P00032500

Latest saved OI1,461Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $32.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4617300 2026-10-02: 273 OI2026-10-05: 279 OI2026-10-07: 281 OI2026-10-08: 281 OI2026-10-09: 511 OI2026-10-13: 864 OI2026-10-15: 1,015 OI2026-10-16: 1,015 OI2026-10-21: 1,461 OI2026-10-23: 1,461 OI Oct 02, 2026Oct 23, 2026

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

SM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,4610
Oct 21, 2026Viewing1,461+446
Oct 16, 20261,0150
Oct 15, 20261,015+151
Oct 13, 2026864+353
Oct 09, 2026511+230
Oct 08, 20262810
Oct 07, 2026281+2
Oct 05, 2026279+6
Oct 02, 2026273No prior observation