What is the best indicator for intraday option trading?

Some of the best free technical analysis software for Indian Stock Market are the following:

• NinjaTrader
• TradingView
• Investar India
• ProRealTime

There are several ways by which you can invest in China Stock Market. A few of them are the following:

• Direct Investment through Stock Connect
• Exchange-traded funds (ETFs)
• Mutual Funds
• American Depositary Receipts (ADRs)

Here are some of the best free technical analysis software options for the Indian stock market: 

• TradingView: Free plan with a wide range of charting tools and technical indicators Has a customizable chart, alert, and social platform for sharing ideas. Accessible via multiple devices (web and mobile) 
• Investing.com: It gives free technical indicators and live data for Indian stocks. User-friendly interface, range of tools that include alerts and charting Includes news and analysis for an all-round view 
• MetaTrader 4 (MT4): Free to use if there is a broker who supports the Indian market. Available either through plugins or through brokers' APIs. Extensive indicators and charting tools, support custom indicators and trading bots (expert advisors). 
• Fyers One: Free for Fyers account holders, advanced charting and analysis tools Multiple indicators, screeners, and other useful tools for technical analysis Real-time updates for stocks listed on NSE and BSE StockEdge The free version offers daily updates, charts, and essential technical indicators. User-friendly and includes screeners, stock ideas, and strategy insights Indian stock focus makes it easy for local traders
• Zerodha Kite: Free for Zerodha users, includes TradingView and ChartIQ integrations. Provides charting tools, indicators, and drawing features Real-time data for Indian stock market analysis