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Contract OI history

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Nov 20, 2026 EXPIRATION

CLS $270.00 Put

CLS261120P00270000

Latest saved OI771Oct 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 $270.00 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. 7933960 2026-10-02: 793 OI2026-10-05: 699 OI2026-10-06: 704 OI2026-10-07: 729 OI2026-10-08: 736 OI2026-10-09: 747 OI2026-10-13: 734 OI2026-10-14: 734 OI2026-10-15: 737 OI2026-10-16: 745 OI2026-10-21: 769 OI2026-10-23: 771 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, 2026Viewing771+2
Oct 21, 2026769+24
Oct 16, 2026745+8
Oct 15, 2026737+3
Oct 14, 20267340
Oct 13, 2026734-13
Oct 09, 2026747+11
Oct 08, 2026736+7
Oct 07, 2026729+25
Oct 06, 2026704+5
Oct 05, 2026699-94
Oct 02, 2026793No prior observation