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Contract OI history

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Apr 16, 2027 EXPIRATION

COHR $145.00 Put

COHR270416P00145000

Latest saved OI274Oct 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
COHR $145.00 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. 2741370 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 254 OI2026-10-16: 257 OI2026-10-21: 272 OI2026-10-23: 274 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing274+2
Oct 21, 2026272+15
Oct 16, 2026257+3
Oct 15, 2026254+250
Oct 14, 202640
Oct 13, 20264+2
Oct 09, 202620
Oct 08, 202620
Oct 07, 20262+1
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation