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Costain Group (COST) Stock Chart & Stock Price History

Costain Group logo
GBX 229.50 +7.00 (+3.15%)
As of 09/11/2026 12:38 PM Eastern

Costain Group Stock Price Performance

5 Day
Performance
+0.88%
1 Month
Performance
+4.56%
3 Month
Performance
+17.69%
Year-To-Date
Performance
+44.16%
1 Year
Performance
+81.85%
5 Year
Performance
+279.97%

COST Stock Chart for Saturday, September, 12, 2026

The Costain Group (COST) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 81.85%, with a year-to-date return of 44.16%. In the past month, the stock has increased 4.56%, reflecting recent market activity.

As of the latest close, Costain Group traded at GBX 229.50 with a market cap of £603.93 million and volume of 11.54 million shares. Five years ago, the stock traded at GBX 60.40, representing a 279.97% increase over that period. At the time, it had a market cap of £166.07 million and a volume of 350,778 shares. View the advanced COST chart on TradingView.

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Costain Group Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/11/2026GBX 224GBX 229.50
+2.46%
GBX 233.50GBX 222.5011.54 million shs£603.93 million
09/10/2026GBX 226.50GBX 224
-1.10%
GBX 227.50GBX 2223.69 million shs£589.46 million
09/09/2026GBX 225GBX 226.50
+0.67%
GBX 230GBX 223.501.51 million shs£596.04 million
09/08/2026GBX 225GBX 225GBX 227GBX 219.5013.13 million shs£592.09 million
09/07/2026GBX 227.50GBX 225
-1.10%
GBX 228.50GBX 225476,746 shs£592.09 million
09/04/2026GBX 224GBX 227.50
+1.56%
GBX 228GBX 2243.65 million shs£602.17 million
09/03/2026GBX 221.50GBX 224
+1.13%
GBX 232GBX 218616,250 shs£592.91 million
09/02/2026GBX 224GBX 221.50
-1.12%
GBX 234.50GBX 217575,478 shs£586.29 million
09/01/2026GBX 230.50GBX 224
-2.82%
GBX 230.50GBX 222635,760 shs£592.91 million
08/31/2026GBX 230.50GBX 230.50GBX 235GBX 2301.18 million shs£610.12 million
08/28/2026GBX 230.50GBX 230.50GBX 235GBX 2301.18 million shs£610.12 million
08/27/2026GBX 232.50GBX 230.50
-0.86%
GBX 236GBX 230.50375,251 shs£610.12 million
08/26/2026GBX 231GBX 232.50
+0.65%
GBX 238GBX 230625,368 shs£615.41 million
08/25/2026GBX 225.50GBX 231
+2.44%
GBX 233.50GBX 208.50649,222 shs£611.44 million
08/24/2026GBX 226.50GBX 225.50
-0.44%
GBX 232GBX 2241.10 million shs£596.88 million
08/21/2026GBX 221GBX 226.50
+2.49%
GBX 227GBX 218689,563 shs£599.53 million
08/20/2026GBX 225.50GBX 221
-2.00%
GBX 229.50GBX 221442,077 shs£584.97 million
08/19/2026GBX 227.50GBX 225.50
-0.88%
GBX 232.50GBX 22414.66 million shs£596.88 million
08/18/2026GBX 228.50GBX 227.50
-0.44%
GBX 228.50GBX 221948,819 shs£602.17 million
08/17/2026GBX 234.50GBX 228.50
-2.56%
GBX 241GBX 228.50642,446 shs£604.82 million
08/14/2026GBX 230GBX 234.50
+1.96%
GBX 240GBX 228.502.73 million shs£620.70 million
08/13/2026GBX 219.50GBX 230
+4.78%
GBX 237.80GBX 224.5011.83 million shs£577.76 million
08/12/2026GBX 218.50GBX 219.50
+0.46%
GBX 226.50GBX 217.501.44 million shs£581.00 million
08/11/2026GBX 215.48GBX 218.50
+1.40%
GBX 220.50GBX 215312,482 shs£578.35 million

This page (LON:COST) was last updated on 9/11/2026 by MarketBeat.com Staff.
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