Some Telegram Bots, most of them uses Selenium
Calendar bot able to grab forex-calendar events from investing.com and post it to telegram channel(s) in time. It has many flexible settings.
This bot gather different economic info such as quotes of different commodities, stocks, indecies from open sources all over the world and posts it to telegram channel(s) in time of market activity. Something like this:
Bot to rule subscriptors
This bot to gather stock-market news and posts it to telegram channel(s)