The Bid & Ask

Quotations, Dispatches, and the Daily Tape

Thursday, August 13, 2026

Subject of the day

COST.L

Concerning the House

Costain Group PLC provides infrastructure solutions for the transportation, energy, water, and defense sectors in the United Kingdom. The company operates in two segments, Transportation and Natural Resources. It operates in the road, rail, and integrated transport markets, as well as in the water, energy, defense, and nuclear energy markets. The company also provides engineering, construction, maintenance, renewals, advisory, design, and consulting services, as well as solutions. Costain Group PLC was founded in 1865 and is headquartered in London, the United Kingdom.

United Kingdom · www.costain.com

Quotation

$229.50

+10.00 (+4.6%)

52w hi$229.50
52w lo$125.38
Vol3.03M
As ofAug 13
The Verdict

Buy

Our score +0.86

Short+1.12
Medium+0.72
Long+0.64

computed 2026-08-13

By the Numbers

Costain Group PLC

Industrials · Engineering & Construction

Market cap$607.47M
Enterprise value$421.14M
Trailing P/E16.39x
Forward P/E13.17x
EV / EBITDA8.04x
P / S (ttm)0.58x
Profit margin3.6%
Return on equity15.1%
Revenue growth-15.0%
Earnings growth+34.4%
Debt / equity9.68
Risk Metrics
Beta vs SPX0.37
Corr SPX0.17
Annual vol36.0%
Annual ret+53.9%
Sharpe1.50
Max DD-26.6%

Window: 504 trading days (491 obs)

Layer Breakdown
LayerRawContribution
Fundamental+0.41
Sector+0.07
Technical+0.28
Earnings+0.00
Sentiment+0.94

macro × 1.00 · 2026-08-13

Recent Sessions
DateOpenHighLowCloseVol
Aug 13$228.50$237.80$219.28$229.503.03M
Aug 12$221.00$226.50$210.50$219.501.44M
Aug 11$217.00$220.50$215.00$218.50312.50K
Aug 10$216.50$220.15$214.50$216.50281.33K
Aug 7$214.50$217.05$209.00$215.501.61M