A Glossary of All the Terms You Need to Know in Trading (G-L)

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The journey to learning a new topic is always the most difficult at the beginning. We aim to make it a lot easier to you with this glossary.

You can find the terms which start with A-C here and D-F here.


Gap: The price difference between the previous session’s close and the current session’s open. This is usually seen on the daily time frame.
A gap up means the opening price is greater than the previous session’s closing price.
A gap down means the opening price is less than the previous session’s closing price.

A gap up from the chart of Facebook.
A gap down from the chart of Facebook.

Geopolitics: International or regional political issues.

Golden cross: A bullish signal where the 50 day simple moving average (SMA) crosses above the 200 day SMA.
Eg. A golden cross formed on the chart of Facebook in early Jan 2017 (see the circled area).
The 50 day SMA is depicted in green while the 200 day SMA is shown in purple.


Good till canceled (GTC): A buy or sell order that is good until the position gets filled or canceled by the trader.


High frequency trading (HFT): Computerised trading that executes very fast through algorithms.

Higher time frame: A chart where each candle represents a longer period of time.
Eg. Weekly charts are of a higher time frame than daily charts.


Index: A group of financial assets that are used to be a performance indicator of a particular sector or economy.

Initial public offering (IPO): The first sale of a company’s stock to the public. This is also known as “going public”.

Invest: The outlay of capital in search for a financial return.


JT Surfwave: A colorful proprietary indicator which shows momentum and trend direction.

JT Surfwave on the chart of Microsoft


Limit order: An instruction set by the trader to buy or sell a stock at or below a specified price.

Liquidity: The ease of purchasing and selling of a security.
A stock which is liquid can be bought and sold easily, given that there is strong demand and supply.
A stock which is illiquid may take a longer time to be bought and sold as the is little demand and supply.

Long: The purchase of a stock, in anticipation of a price increase.

Lower time frame: A chart where each candle represents a shorter period of time.
Eg. Weekly charts are of a lower time frame than monthly charts.

We are halfway to completing this glossary! Bookmark this site for more articles.

If you want to supercharge your learning, sign up for the 3MT private mentoring program. I attended the program in 2015 and it has proven to be one of the best decisions in my life so far.

Ben Tay
Swim Trading Resident Columnist