$ curl -X GET 'https://brapi.dev/api/quote/CSAN3?range=1y&interval=1mo'

{
currency:"BRL"
marketCap:14439448484
shortName:"COSAN       ON  ATZ NM"
longName:"Cosan S.A."
regularMarketChange:-0.15
regularMarketChangePercent:-1.875
regularMarketTime:"2025-09-18T20:06:00.000Z"
regularMarketPrice:7.85
regularMarketDayHigh:0
regularMarketDayRange:"0 - 0"
regularMarketDayLow:0
regularMarketVolume:0
regularMarketPreviousClose:8
regularMarketOpen:7.36
fiftyTwoWeekRange:"0 - 13.76"
fiftyTwoWeekLow:0
fiftyTwoWeekHigh:13.76
symbol:"CSAN3"
logourl:"https://icons.brapi.dev/icons/CSAN3.svg"
▶
summaryProfile:{} 25 keys
priceEarnings:null
earningsPerShare:-6.4344977
▶
dividendsData:{} 3 keys
}