OITracker Cboe delayed data

Contract OI history

Back to BOX

Nov 20, 2026 EXPIRATION

BOX $34.00 Put

BOX261120P00034000

Latest saved OI209Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $34.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2091040 2026-10-02: 147 OI2026-10-05: 147 OI2026-10-06: 147 OI2026-10-07: 147 OI2026-10-08: 203 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-15: 209 OI2026-10-16: 209 OI2026-10-20: 209 OI2026-10-23: 209 OI Oct 02, 2026Oct 23, 2026

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

BOX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2090
Oct 20, 20262090
Oct 16, 20262090
Oct 15, 2026209+6
Oct 14, 20262030
Oct 13, 20262030
Oct 08, 2026203+56
Oct 07, 20261470
Oct 06, 20261470
Oct 05, 20261470
Oct 02, 2026147No prior observation