OITracker Cboe delayed data

Contract OI history

Back to CLS

Oct 30, 2026 EXPIRATION

CLS $300.00 Put

CLS261030P00300000

Latest saved OI258Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $300.00 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. 2601300 2026-10-02: 145 OI2026-10-05: 150 OI2026-10-06: 150 OI2026-10-07: 153 OI2026-10-08: 157 OI2026-10-09: 161 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 225 OI2026-10-16: 237 OI2026-10-21: 260 OI2026-10-23: 258 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing258-2
Oct 21, 2026260+23
Oct 16, 2026237+12
Oct 15, 2026225+18
Oct 14, 20262070
Oct 13, 2026207+46
Oct 09, 2026161+4
Oct 08, 2026157+4
Oct 07, 2026153+3
Oct 06, 20261500
Oct 05, 2026150+5
Oct 02, 2026145No prior observation