stockNYSE: CIEN • Today's Updates
Ciena Corporation (CIEN) Today Close
Showing Closing Date Range from Oct 8 to Oct 9, 2026.
Investor Relations:ir.ciena.com
NYSE MarketWeekend Closed Wall Street: 10:59 PM ET
Weekend • Markets Closed
US stock markets are closed over the weekend and will reopen Monday at 9:30 AM ET. Displaying the final completed trading session from Oct 09, 2026.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$436.00
Opening Gap+$10.07(+2.36%)
Last Finalized Close
FRIDAY CLOSESession close from Oct 09, 2026
$449.77
Session DateOct 09, 2026
Gained Today
GAIN Net movement vs previous close
+$23.84 (+5.60%)
Intraday (from open)+$13.77 (+3.16%)
Day's High & Low Range
Session Low
$424.02
Session High
$454.73
Low ($424.02)Last Finalized Close ($449.77)High ($454.73)
Trading Activity & Liquidity
Shares Traded
3.76M
3,764,789 shares
Dollar Volume
$1.69B
Close × Volume traded
Session Turnover$1.69B USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Ciena Corporation (CIEN).
Oct 09, 2026
Started At (Open)
$436.00
Previous Close
$425.93
Session High
$454.73
Session Low
$424.02
Last Finalized Close
$449.77
Gained / Lost ($)
+$23.84
Gained / Lost (%)
+5.60%
Day's Spread
$30.71