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Contract OI history

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Mar 19, 2027 EXPIRATION

CIEN $220.00 Put

CIEN270319P00220000

Latest saved OI234Oct 23, 2026
Last change+1vs 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. 3791890 2026-10-02: 137 OI2026-10-05: 135 OI2026-10-06: 133 OI2026-10-07: 379 OI2026-10-08: 379 OI2026-10-09: 379 OI2026-10-13: 251 OI2026-10-14: 251 OI2026-10-15: 251 OI2026-10-16: 251 OI2026-10-21: 233 OI2026-10-23: 234 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, 2026Viewing234+1
Oct 21, 2026233-18
Oct 16, 20262510
Oct 15, 20262510
Oct 14, 20262510
Oct 13, 2026251-128
Oct 09, 20263790
Oct 08, 20263790
Oct 07, 2026379+246
Oct 06, 2026133-2
Oct 05, 2026135-2
Oct 02, 2026137No prior observation