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Contract OI history

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Jan 21, 2028 EXPIRATION

CLS $300.00 Put

CLS280121P00300000

Latest saved OI483Oct 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. 4832410 2026-10-02: 298 OI2026-10-05: 298 OI2026-10-06: 299 OI2026-10-07: 299 OI2026-10-08: 431 OI2026-10-09: 430 OI2026-10-13: 431 OI2026-10-14: 431 OI2026-10-15: 471 OI2026-10-16: 479 OI2026-10-21: 481 OI2026-10-23: 483 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, 2026Viewing483+2
Oct 21, 2026481+2
Oct 16, 2026479+8
Oct 15, 2026471+40
Oct 14, 20264310
Oct 13, 2026431+1
Oct 09, 2026430-1
Oct 08, 2026431+132
Oct 07, 20262990
Oct 06, 2026299+1
Oct 05, 20262980
Oct 02, 2026298No prior observation