· 方法论
涉及标的： $CIFR$HOOD$IBKR$MSFT$SPY
我在盈透证券(IBKR)之外也使用Robinhood和Charles Schwab。使用多个平台没问题。 但如果你大量交易期权，建议转向$IBKR或Fidelity，因为两者的执行质量极佳。在波动性更高的情况下，$IBKR可能略胜Fidelity。 不过情况很微妙。如果买卖价差很低（如$MSFT或$SPY），$HOOD优于其他平台，你实际上能省钱。 如果你在$CIFR或高隐含波动率(IV)股票上卖出期权，价差通常大得多，仅因糟糕的成交执行（例如交易6万美元期权）就可能损失数千美元，此时你最好从$HOOD转移。 如果是长期投资且不加杠杆，平台选择其实无所谓。如果是长期投资且使用股票保证金，$IBKR或Robinhood很棒，因为保证金利率较低，而Schwab/Fidelity较高。 总之，这取决于你的具体目标和持仓股票，情况相当微妙。
I use Robinhood and Charles Schwab too on top of IBKR. It's fine to use multiple. But if you're doing a ton of options it's worth going to $IBKR or Fidelity since both of them have great execution. IBKR probably tops out Fidelity when it comes to more volatility. It's nuanced though. $HOOD beats other platforms if the spread is low like $MSFT or $SPY and you'll actually save money. If you're selling options on $CIFR or higher IV stocks, the spread is likely to be much much higher and you can lose thousands of dollars (if you trade with $60k in options for example) just based on bad fills and completely you're better off moving from $HOOD. If you're long term investing, no margin, doesn't really matter what platform you go. If you're long term investing margin with shares, IBKR or Robinhood are great cause margin rates are low, while Schwab/Fidelity are higher. Again it's kinda nuanced depending on what exactly you're aiming to do, what stocks you have.