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Contract OI history

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Apr 16, 2027 EXPIRATION

CIEN $370.00 Put

CIEN270416P00370000

Latest saved OI60Oct 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 $370.00 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. 60300 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 58 OI2026-10-07: 58 OI2026-10-08: 58 OI2026-10-09: 58 OI2026-10-13: 59 OI2026-10-14: 59 OI2026-10-15: 59 OI2026-10-16: 60 OI2026-10-21: 60 OI2026-10-23: 60 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, 2026Viewing600
Oct 21, 2026600
Oct 16, 202660+1
Oct 15, 2026590
Oct 14, 2026590
Oct 13, 202659+1
Oct 09, 2026580
Oct 08, 2026580
Oct 07, 2026580
Oct 06, 202658+57
Oct 05, 202610
Oct 02, 20261No prior observation