OITracker Cboe delayed data

Contract OI history

Back to OPEN

Mar 17, 2028 EXPIRATION

OPEN $2.00 Put

OPEN280317P00002000

Latest saved OI261Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2611300 2026-10-09: 159 OI2026-10-13: 259 OI2026-10-14: 259 OI2026-10-15: 259 OI2026-10-16: 259 OI2026-10-21: 261 OI2026-10-23: 261 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2610
Oct 21, 2026261+2
Oct 16, 20262590
Oct 15, 20262590
Oct 14, 20262590
Oct 13, 2026259+100
Oct 09, 2026159No prior observation