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    ###### tags: `畢專` `meeting` # 1/14中研meeting ## 大老闆 * 記得我們有資料庫專題 * 借一天賺7%,太爽啦 * 可能要我們看 asset pricing ## 信宏 * 第一報 * RoR? `回到最初的感動` * minor originality ## 家豪 * 證券交易稅 * 股票 0.3% * ETF 0.1% * 當沖證交稅減半 * 融資 融券 * 融資=向券商借錢 * 融券=向券商借股票 * ![](https://richclub.azureedge.net/article/20170426105438_%E8%9E%8D%E8%B3%87.png) * ![](https://richclub.azureedge.net/article/20170426105633_%E8%9E%8D%E5%88%B8.png) * 維持率 * 整體維持率(130%) = $\dfrac{融資股票市值 + 融券擔保品 + 融券保證金 + (補充擔保金)}{融資金額 + 融券股票總市值}$ * 看多、看空? https://www.mitrade.com/zh/forex/basics/financial-dictionary/go-short-0416 ### 當沖 ([介紹](https://rich01.com/how-to-day-trade/)) 全名是當日沖銷(英文:Day Trading)的簡稱,當沖的意思是當日開盤後完成買賣股票的動作來賺取價(當天買當天賣),是一種不需要花費本金,能當日短線操作賺價差的交易方式。 * 現股當沖、資券當沖, **作多先買後賣,作空先賣後買** * 現股當沖證交稅只有一半 ![](https://i.imgur.com/S15Y8Go.png) * 蠻多股票能現金當沖([當日可當沖標的](https://www.tpex.org.tw/web/stock/trading/intraday_trading/intraday_trading_list.php?l=zh-tw)) * 牛市 市場變好, 連續的漲 * autoencoder asset pricing ### 平倉 EX: 買進五張股票,之後再賣出五張就叫做平倉。(買進多少之後就賣多少;賣出多少之後就買進多少) ### 對沖(hedge) 指特意減低另一項投資的風險的投資。它是一種在減低商業風險的同時仍然能在投資中獲利的手法。一般對沖是同時進行兩筆行情相關、方向相反、數量相當、盈虧相抵的交易。 行情相關是指影響兩種商品價格行情的市場供求關係存在同一性,供求關係若發生變化,同時會影響兩種商品的價格,且價格變化的方向大體一致。方向相反指兩筆交易的買賣方向相反,這樣無論價格向什麼方向變化,總是一盈一虧。當然要做到盈虧相抵,兩筆交易的數量大小須根據各自價格變動的幅度來確定,大體做到數量相當。 橡皮擦跟鉛筆 怕只投資橡皮擦的風險太高所以選一個跟橡皮擦差不多的item一個買一個賣 if 橡皮擦虧那鉛筆就會賺!讚

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