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Contract OI history

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Jan 21, 2028 EXPIRATION

CIEN $220.00 Put

CIEN280121P00220000

Latest saved OI117Oct 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 $220.00 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. 117580 2026-10-02: 110 OI2026-10-05: 110 OI2026-10-06: 110 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 110 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 112 OI2026-10-16: 112 OI2026-10-21: 117 OI2026-10-23: 117 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, 2026Viewing1170
Oct 21, 2026117+5
Oct 16, 20261120
Oct 15, 20261120
Oct 14, 20261120
Oct 13, 2026112+2
Oct 09, 20261100
Oct 08, 20261100
Oct 07, 20261100
Oct 06, 20261100
Oct 05, 20261100
Oct 02, 2026110No prior observation