OITracker Cboe delayed data

Contract OI history

Back to OR

Apr 16, 2027 EXPIRATION

OR $35.00 Put

OR270416P00035000

Latest saved OI276Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OR $35.00 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. 2761380 2026-10-02: 237 OI2026-10-05: 237 OI2026-10-07: 252 OI2026-10-08: 254 OI2026-10-09: 254 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-16: 262 OI2026-10-20: 276 OI2026-10-23: 276 OI Oct 02, 2026Oct 23, 2026

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

OR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2760
Oct 20, 2026276+14
Oct 16, 2026262+5
Oct 14, 20262570
Oct 13, 2026257+3
Oct 09, 20262540
Oct 08, 2026254+2
Oct 07, 2026252+15
Oct 05, 20262370
Oct 02, 2026237No prior observation