OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

IA $15.00 Put

IA261120P00015000

Latest saved OI135Oct 19, 2026
Last change+2vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
IA $15.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-19. Exact values and changes are listed in the table below. 135670 2026-10-08: 122 OI2026-10-09: 123 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-16: 133 OI2026-10-19: 135 OI Oct 08, 2026Oct 19, 2026

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

IA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 19, 2026Viewing135+2
Oct 16, 2026133+5
Oct 14, 20261280
Oct 13, 2026128+5
Oct 09, 2026123+1
Oct 08, 2026122No prior observation