OITracker Cboe delayed data

Contract OI history

Back to CLS

Jan 15, 2027 EXPIRATION

CLS $310.00 Put

CLS270115P00310000

Latest saved OI273Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $310.00 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. 2731360 2026-10-02: 190 OI2026-10-05: 190 OI2026-10-06: 192 OI2026-10-07: 193 OI2026-10-08: 197 OI2026-10-09: 198 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 245 OI2026-10-16: 245 OI2026-10-21: 260 OI2026-10-23: 273 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, 2026Viewing273+13
Oct 21, 2026260+15
Oct 16, 20262450
Oct 15, 2026245+47
Oct 14, 20261980
Oct 13, 20261980
Oct 09, 2026198+1
Oct 08, 2026197+4
Oct 07, 2026193+1
Oct 06, 2026192+2
Oct 05, 20261900
Oct 02, 2026190No prior observation