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Contract OI history

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Jun 16, 2028 EXPIRATION

CIEN $420.00 Call

CIEN280616C00420000

Latest saved OI14Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $420.00 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. 1470 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 11 OI2026-10-23: 14 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, 2026Viewing14+3
Oct 21, 2026110
Oct 16, 2026110
Oct 15, 2026110
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 202611+1
Oct 08, 2026100
Oct 07, 2026100
Oct 06, 202610+8
Oct 05, 202620
Oct 02, 20262No prior observation