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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $390.00 Call

CIEN261218C00390000

Latest saved OI256Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $390.00 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. 2561280 2026-10-02: 243 OI2026-10-05: 249 OI2026-10-06: 250 OI2026-10-07: 250 OI2026-10-08: 250 OI2026-10-09: 243 OI2026-10-13: 249 OI2026-10-14: 249 OI2026-10-15: 251 OI2026-10-16: 251 OI2026-10-21: 250 OI2026-10-23: 256 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, 2026Viewing256+6
Oct 21, 2026250-1
Oct 16, 20262510
Oct 15, 2026251+2
Oct 14, 20262490
Oct 13, 2026249+6
Oct 09, 2026243-7
Oct 08, 20262500
Oct 07, 20262500
Oct 06, 2026250+1
Oct 05, 2026249+6
Oct 02, 2026243No prior observation