Rule #1. Buy In-The-Money and Sell At or Out-Of-The-Money --- ROI 最保守 ,BUT獲勝率最高
Rule #2. Sell More Time Premium Than You Buy --- 有人利用 最後結算前 開始做DEBIT SPREAD, BUT PRICE 希望利用DELTA不 大的時候可以停損停利
Rule #3. Profit Taking in Pieces Increases Win Percentage
--- 提早實現獲利成為零成本
Rule #4. Don’t Be Greedy – Favor Early Profit Taking
Rule #5. Trade in Pairs
ALLAN BUY 8900 ITM PUT +SELL 8800 PUT= DEBIT SPREAD 很短的時間 ROI= 17/59=28.8% http://allanlin998.blogspot.tw/2016/03/debit-spread.html