It is way above the pay grade of the readership here.
想想還有人 challenge RSI 的 prediction value 呢。還未敢在 blood on the street 買 就已經擔心熊市或者錯過牛市了
喜歡數據的可以用 % of stocks above 50 和 200 日均線 (向上的 trend) or below 50 和 200 日均線 (向下的 trend) 每日的
New highs new lows. When the new high number is extremely low, new low number is expanding rapidly everyday, start to buy hand over fist. 不會 catch bottom, but would be close enough to bottom.
Top 難預測很多 因為絕大部分人是追高 (貪心) buying on the small dip 的 power would last for a while. 反而 sell momentum 容易 exhaust.