i think fundamentals and indicators are the best from all three things because fundamentals k analyse se hum market aache se examine kar sakte hain aur apna trade aur usmain hone waala profit badha sakte hain aur uske saath indicators bhi market ki situtation k hisaab se humein help karte rehte hain but robots k through trade karna se aap zayada seekh bhi nahi paate.