stockNASDAQ: CSTL • Today's Updates
Castle Biosciences Inc. (CSTL) Today Close
Showing Closing Date Range from Oct 8 to Oct 9, 2026.
Investor Relations:ir.castlebiosciences.com
NASDAQ MarketWeekend Closed Wall Street: 1:54 AM 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)
$33.55
Opening Gap$-0.16(-0.47%)
Last Finalized Close
FRIDAY CLOSESession close from Oct 09, 2026
$34.42
Session DateOct 09, 2026
Gained Today
GAIN Net movement vs previous close
+$0.71 (+2.11%)
Intraday (from open)+$0.87 (+2.59%)
Day's High & Low Range
Session Low
$33.46
Session High
$34.52
Low ($33.46)Last Finalized Close ($34.42)High ($34.52)
Trading Activity & Liquidity
Shares Traded
249.1K
249,077 shares
Dollar Volume
$8.57M
Close × Volume traded
Session Turnover$8.57M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Castle Biosciences Inc. (CSTL).
Oct 09, 2026
Started At (Open)
$33.55
Previous Close
$33.71
Session High
$34.52
Session Low
$33.46
Last Finalized Close
$34.42
Gained / Lost ($)
+$0.71
Gained / Lost (%)
+2.11%
Day's Spread
$1.06