stockNASDAQ: PRTA • Today's Updates

Prothena Corporation plc (PRTA) Today Close

Showing Closing Date Range from Oct 7 to Oct 8, 2026.

NASDAQ MarketTrading In Progress Wall Street: 9:50 AM ET

Market Is Open • Trading In Progress

US markets (NASDAQ / NYSE) are in active trading (9:30 AM – 4:00 PM ET). Official closing rates settle after 4:15 PM ET. Showing active session data (Oct 07, 2026) as of 9:50 AM ET.

Multi-Day Trends:View 28-Day Chart
Started At
Market Open
Opening price at session start (9:30 AM ET)
$7.93
Opening Gap$-0.09(-1.12%)
Last Recorded Trade Price
LAST RECORDED
Last recorded trade as of 9:50 AM ET
$8.48
Session DateOct 07, 2026
Gained Today
GAIN
Net movement vs previous close
+$0.46 (+5.74%)
Intraday (from open)+$0.55 (+6.94%)

Day's High & Low Range

Spread: $0.75 (9.52%)
Session Low
$7.88
Session High
$8.63
Low ($7.88)Last Recorded Trade Price ($8.48)High ($8.63)

Trading Activity & Liquidity

PRTA Volume
Shares Traded
690.4K
690,357 shares
Dollar Volume
$5.85M
Close × Volume traded
Session Turnover$5.85M USD

Session Statistics Breakdown

Key opening, settlement, and trading metrics for Prothena Corporation plc (PRTA).

Oct 07, 2026
Started At (Open)
$7.93
Previous Close
$8.02
Session High
$8.63
Session Low
$7.88
Last Recorded Trade Price
$8.48
Gained / Lost ($)
+$0.46
Gained / Lost (%)
+5.74%
Day's Spread
$0.75
Multi-Day Historical Trajectories

Explore Full Price Charts & Historical Tables

Looking for trendlines, multi-day moving averages, and complete historical ledger records? Switch to our interactive multi-day charts: