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Contract OI history

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Dec 18, 2026 EXPIRATION

CLS $320.00 Call

CLS261218C00320000

Latest saved OI309Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $320.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3141570 2026-10-02: 110 OI2026-10-05: 111 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 106 OI2026-10-09: 106 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 113 OI2026-10-16: 298 OI2026-10-21: 314 OI2026-10-23: 309 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, 2026Viewing309-5
Oct 21, 2026314+16
Oct 16, 2026298+185
Oct 15, 2026113+4
Oct 14, 20261090
Oct 13, 2026109+3
Oct 09, 20261060
Oct 08, 2026106-5
Oct 07, 20261110
Oct 06, 20261110
Oct 05, 2026111+1
Oct 02, 2026110No prior observation