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Contract OI history

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Jun 16, 2028 EXPIRATION

CIEN $220.00 Put

CIEN280616P00220000

Latest saved OI214Oct 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. 2141070 2026-10-02: 212 OI2026-10-05: 212 OI2026-10-06: 212 OI2026-10-07: 213 OI2026-10-08: 213 OI2026-10-09: 213 OI2026-10-13: 213 OI2026-10-14: 213 OI2026-10-15: 213 OI2026-10-16: 214 OI2026-10-21: 214 OI2026-10-23: 214 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, 2026Viewing2140
Oct 21, 20262140
Oct 16, 2026214+1
Oct 15, 20262130
Oct 14, 20262130
Oct 13, 20262130
Oct 09, 20262130
Oct 08, 20262130
Oct 07, 2026213+1
Oct 06, 20262120
Oct 05, 20262120
Oct 02, 2026212No prior observation