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Contract OI history

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Mar 19, 2027 EXPIRATION

CIEN $550.00 Put

CIEN270319P00550000

Latest saved OI437Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $550.00 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. 5142570 2026-10-02: 513 OI2026-10-05: 513 OI2026-10-06: 513 OI2026-10-07: 513 OI2026-10-08: 513 OI2026-10-09: 514 OI2026-10-13: 514 OI2026-10-14: 514 OI2026-10-15: 437 OI2026-10-16: 437 OI2026-10-21: 437 OI2026-10-23: 437 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, 2026Viewing4370
Oct 21, 20264370
Oct 16, 20264370
Oct 15, 2026437-77
Oct 14, 20265140
Oct 13, 20265140
Oct 09, 2026514+1
Oct 08, 20265130
Oct 07, 20265130
Oct 06, 20265130
Oct 05, 20265130
Oct 02, 2026513No prior observation