OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

PUSA $2.50 Put

PUSA261120P00002500

Latest saved OI265Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PUSA $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2651320 2026-10-08: 225 OI2026-10-09: 250 OI2026-10-13: 249 OI2026-10-14: 250 OI2026-10-16: 255 OI2026-10-20: 259 OI2026-10-23: 265 OI Oct 08, 2026Oct 23, 2026

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

PUSA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026265+6
Oct 20, 2026Viewing259+4
Oct 16, 2026255+5
Oct 14, 2026250+1
Oct 13, 2026249-1
Oct 09, 2026250+25
Oct 08, 2026225No prior observation