Does this article mean that random walk theory does exist? Watch this article video. I think this was said in a very very recent video I said.
Traders usually consider historical data to formulate strategies to buy and sell securities. But that doesn’t necessarily guarantee returns in the future, according to Subhadip Nandy.
https://www.bloombergquint.com/amp/markets/algo-trader-subhadip-nandy-says-quantitative-analysis-gives-an-edge-to-tradingFACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!