Buying Fatigue - Kaidukare

…The “nan” in “nanpin” (nampin) means loss, and averaging losses is called nanpin. Selling fatigue/buying fatigueWhen you sell only, the market is not going as you expected, and you no longer have the strength to sell, it is called “selling fatigue.” Conversely, when you buy only, the market is not rising, and you no longer have the strength to buy, it is called “buying fatigue.” Selling and buying on holdWhen you sell short on stocks through margin trading to prevent losses due to a price drop, it is called “selling on hold” (or “short selling”). Generally, when you do not have stocks on hand due to a name change or other reason, and the stocks are likely to fall in price in the future, you sell short on margin to prevent losses due to a price drop, and then buy them back at the reduced price to make a profit, or settle by “delivery in person” when the stocks are returned to you. …

*Here are some explanations of terms that refer to "buying fatigue."

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…〈ナンピン(難平)〉の〈難〉は損を意味し，損を平均化することがナンピンである。　売疲れ･買疲れ売るだけ売って，相場も思うようにいかず売る力もなくなった状態を〈売疲れ〉といい，反対に買うだけ買って，相場が上がらず買う力もなくなった状態を〈買疲れ〉という。　売りつなぎ･買いつなぎ値下がりによる損失を防ぐため，その株式を信用取引で空売りすることを〈売りつなぎ〉(あるいは〈つなぎ売り〉)といい，一般に手持株が名義書換えその他で手もとになく，先行きその株が値下がりしそうなときに，値下がり損を防ぐために信用取引で空売りし，値下がりしたところを買い戻して差益を取るか，または株券が手もとに戻ったときに〈現渡し〉して決済することである。…

※「買疲れ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報