https://markets.businessinsider.com/news/stocks/ecopetrol-announces-start-dates-for-the-market-maker-program-1034481535
Ecopetrol announces start dates for the Market Maker program | Markets Insider
Ecopetrol (EC) announces that, in accordance with the Form 6-K issued on March 3, 2025, reported by this same medium, it has completed the neces...
for the marketstart datesmaker programecopetrolannounces
https://www.jpx.co.jp/english/derivatives/rules/market-maker/index.html
Market Maker Program | Derivatives | Japan Exchange Group
Market Maker Program | This is the website of Japan Exchange Group (JPX), which operates Tokyo Stock Exchange, Osaka Exchange, and Tokyo Commodity Exchange.
market maker programjapan exchangederivativesgroup