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Contract OI history

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Jan 21, 2028 EXPIRATION

CIEN $650.00 Call

CIEN280121C00650000

Latest saved OI331Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $650.00 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. 3321660 2026-10-02: 309 OI2026-10-05: 309 OI2026-10-06: 325 OI2026-10-07: 325 OI2026-10-08: 325 OI2026-10-09: 325 OI2026-10-13: 327 OI2026-10-14: 327 OI2026-10-15: 327 OI2026-10-16: 328 OI2026-10-21: 332 OI2026-10-23: 331 OI Oct 02, 2026Oct 23, 2026

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

CIEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing331-1
Oct 21, 2026332+4
Oct 16, 2026328+1
Oct 15, 20263270
Oct 14, 20263270
Oct 13, 2026327+2
Oct 09, 20263250
Oct 08, 20263250
Oct 07, 20263250
Oct 06, 2026325+16
Oct 05, 20263090
Oct 02, 2026309No prior observation