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Contract OI history

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Oct 23, 2026 EXPIRATION

CLS $337.50 Put

CLS261023P00337500

Latest saved OI1Oct 23, 2026
Last change-41vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $337.50 put open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 45220 2026-10-07: 0 OI2026-10-08: 2 OI2026-10-09: 3 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 45 OI2026-10-16: 45 OI2026-10-21: 42 OI2026-10-23: 1 OI Oct 07, 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, 2026Viewing1-41
Oct 21, 202642-3
Oct 16, 2026450
Oct 15, 202645+20
Oct 14, 2026250
Oct 13, 202625+22
Oct 09, 20263+1
Oct 08, 20262+2
Oct 07, 20260No prior observation