OITracker Cboe delayed data

Contract OI history

Back to O

Jan 15, 2027 EXPIRATION

O $50.00 Put

O270115P00050000

Latest saved OI1,588Oct 23, 2026
Last change+24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $50.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5887940 2026-10-02: 1,403 OI2026-10-05: 1,441 OI2026-10-06: 1,481 OI2026-10-07: 1,481 OI2026-10-08: 1,531 OI2026-10-09: 1,542 OI2026-10-13: 1,549 OI2026-10-14: 1,554 OI2026-10-15: 1,556 OI2026-10-16: 1,552 OI2026-10-21: 1,564 OI2026-10-23: 1,588 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,588+24
Oct 21, 20261,564+12
Oct 16, 20261,552-4
Oct 15, 20261,556+2
Oct 14, 20261,554+5
Oct 13, 20261,549+7
Oct 09, 20261,542+11
Oct 08, 20261,531+50
Oct 07, 20261,4810
Oct 06, 20261,481+40
Oct 05, 20261,441+38
Oct 02, 20261,403No prior observation