OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

T $19.00 Put

T270115P00019000

Latest saved OI1,479Oct 23, 2026
Last change+61vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $19.00 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. 1,4797390 2026-10-02: 1,295 OI2026-10-05: 1,295 OI2026-10-06: 1,295 OI2026-10-07: 1,295 OI2026-10-08: 1,295 OI2026-10-09: 1,359 OI2026-10-14: 1,365 OI2026-10-15: 1,344 OI2026-10-16: 1,419 OI2026-10-21: 1,418 OI2026-10-23: 1,479 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,479+61
Oct 21, 20261,418-1
Oct 16, 20261,419+75
Oct 15, 20261,344-21
Oct 14, 20261,365+6
Oct 09, 20261,359+64
Oct 08, 20261,2950
Oct 07, 20261,2950
Oct 06, 20261,2950
Oct 05, 20261,2950
Oct 02, 20261,295No prior observation