Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on Charles Schwab Trader API

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Charles Schwab Developer Portal

Charles Schwab is developing Trader APIs (for both commercial and individual). The scheduled release date is For more questions, you can contact the Trader Services team at …

Recommendation of Credit Card Usage

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

  1. Costco is a wholesale. It is not considered as a grocery or supermarket for cashback bonus purposes.

  2. Overall, AMEX is great for traveling purchases and restaurants spending.

Glossory …

Tips on Pattern Day Trading

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

https://www.investopedia.com/terms/p/patterndaytrader.asp

https://forum.alpaca.markets/t/apierror-trade-denied-due-to-pattern-day-trading-protection/211

https://www.finra.org/investors/investing/investment-products/stocks/day-trading

https://alpaca.markets/support/pattern-day-trading-protection

Here are …

Taxes on Investment Gains

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Treasury bonds and securities are exempted from state & local income taxes.

  2. The IRS allows you to deduct from your taxable income a capital loss, for example, from a stock or other …