每次下单子确认前 默念 低买高卖 in futures, 高价买被禁止 out of range (on the other hand, it prevent from mistake of click) 但在sim 中当作 market order execute because it higher than current price.
professional trades make this kind of mistake too. You see news occasionally that some big house order buy as sell million shares.
should be very nervous when type in order. I dont basically trust myselve. So I read 低买高卖 then watch the color Red or Blue. Red for sell. the other is buy
I know price entered is high or low when I type in. When I read again, it is a check you will immedially notice that it is wrong. You are doing buy at high price. This mistake be considered confusion. For some reason at that moment, you just click buy but nothing in your mind buy or sell. That is very dangerous error. I did twice. The second time, I caught how it happened.
Using hotkey. Ctl-B as Buy and Ctl-S as Sell
but that moment, I dont recognize it is sell or buy. it just nothing and control by third hand from God. so I click buy
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