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Costain Group (COST) Stock Chart & Stock Price History

Costain Group logo
GBX 226.50 +5.50 (+2.49%)
As of 08/21/2026 12:30 PM Eastern
Compare

Costain Group Stock Price Performance

5 Day
Performance
-0.44%
1 Month
Performance
+4.86%
3 Month
Performance
+17.60%
Year-To-Date
Performance
+42.27%
1 Year
Performance
+72.64%
5 Year
Performance
+271.31%

COST Stock Chart for Sunday, August, 23, 2026

30 Days 90 Days 1 Year

The Costain Group (COST) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 72.64%, with a year-to-date return of 42.27%. In the past month, the stock has increased 4.86%, reflecting recent market activity.

As of the latest close, Costain Group traded at GBX 226.50 with a market cap of £599.53 million and volume of 689,563 shares. Five years ago, the stock traded at GBX 61, representing a 271.31% increase over that period. At the time, it had a market cap of £167.72 million and a volume of 537,459 shares. View the advanced COST chart on TradingView.

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Costain Group Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
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
08/10/2026GBX 215.50GBX 215.48
-0.01%		GBX 220.15GBX 215.48281,305 shs£569.83 million
08/07/2026GBX 215.50GBX 215.50GBX 217GBX 211.901.61 million shs£569.83 million
08/06/2026GBX 214GBX 215.50
+0.70%		GBX 217GBX 208363,989 shs£573.64 million
08/05/2026GBX 212GBX 214
+0.94%		GBX 215GBX 204448,046 shs£569.64 million
08/04/2026GBX 212.50GBX 212
-0.24%		GBX 215.25GBX 201.504.95 million shs£562.47 million
08/03/2026GBX 211.50GBX 212.50
+0.47%		GBX 215GBX 202252,231 shs£565.65 million
07/31/2026GBX 212GBX 211.50
-0.24%		GBX 216.50GBX 210.507.90 million shs£562.99 million
07/30/2026GBX 208GBX 212
+1.92%		GBX 212.78GBX 207.50708,459 shs£564.32 million
07/29/2026GBX 211.50GBX 208
-1.65%		GBX 213GBX 206.50690,288 shs£553.67 million
07/28/2026GBX 214GBX 211.50
-1.17%		GBX 219GBX 206.50455,892 shs£562.99 million
07/27/2026GBX 216.50GBX 214
-1.15%		GBX 220.50GBX 214352,769 shs£569.64 million
07/24/2026GBX 216GBX 216.50
+0.23%		GBX 220.50GBX 216.50265,587 shs£576.30 million
07/23/2026GBX 218GBX 216
-0.92%		GBX 218.50GBX 2154.09 million shs£574.97 million
07/22/2026GBX 215.29GBX 218
+1.26%		GBX 220GBX 206.505.14 million shs£580.29 million
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This page (LON:COST) was last updated on 8/21/2026 by MarketBeat.com Staff.
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