# Stock Trading

## ■ **Stocks**

Stock trading is one of the most important features in _Self-Made Billionaire: Stock Game_ and the most effective way to become a billionaire.

* Stocks are divided into five sectors: IT, Bio, Consumer, Financial, and Energy.
* Each season, the Top 50 companies from the previous season, based on company value, will be listed on the stock market.

[☞ Season _(Guide Link)_](../season)

***

### **§ Stock Trading Screen**

Stock trading can be accessed by tapping the "Stock" tab in the UI.

The Status Tab in the stock UI displays the company's current assets:

<figure><img src="https://3532443572-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fe6QrhIoAbGf2bdIz1lZg%2Fuploads%2F88HjSIwOFrsHE2wotmIT%2Fimage.png?alt=media&#x26;token=61d7a8c0-731e-4e30-a183-37aa4621b7f5" alt="" width="320"><figcaption></figcaption></figure>

* A. Held Gold :&#x20;
  * The total amount of gold currently owned by the company.
* B. Total Assets :&#x20;
  * &#x20;The sum of total gold and the total value of stocks currently held by the company.
* C. Total Purchase / Total Valuation :&#x20;
  * Total Purchase → The total gold spent on purchasing the stocks currently held by the company.
  * Total Valuation → The current total value of the stocks held by the company.
* D. Unrealized P\&L / Return Rate :&#x20;
  * Unrealized P\&L → The increase or decrease in value compared to the total purchase amount.
  * Return Rate → Calculated as Unrealized P\&L / Total Purchase Amount.
* E. Asset Portfolio :&#x20;
  * Displays the proportion of stocks currently held by the company.
* F. Asset Details :&#x20;
  * Provides a detailed breakdown of each stock held by the company.

<figure><img src="https://3532443572-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fe6QrhIoAbGf2bdIz1lZg%2Fuploads%2F277usrvzUTyNHfTB5pF2%2Fstock%202025-03-10%20%EC%98%A4%ED%9B%84%205_28_52.png?alt=media&#x26;token=2ec46010-fd81-41cd-904d-8aa42f0f10ed" alt="" width="304"><figcaption></figcaption></figure>

**Stock Overview**

In the Exchange Tab of the stock UI, players can trade stocks.

* Held Assets → Displays stocks currently held by the company.
* All → Shows all stocks currently listed on the stock market.
* Watchlist → Allows users to view stocks marked as favorites.
* Sector → Conveniently filters and displays stocks by sector.
* News → Quickly view the latest news and previous updates.

***

### **§ Trading Stocks**

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When selecting a stock, its chart and "Trade" button will be displayed.\
Tapping the "Trade" button opens the stock trading interface.

* A. Order Book:&#x20;
  * Displays the current price levels and the number of shares waiting to be bought or sold.
* B. Buy / Sell / Trade History:&#x20;
  * This page allows you to buy or sell the selected stock. You can also review previous transaction history.
* C. Limit Order / Market Order:&#x20;
  * Choose whether to purchase the stock at a set price (limit order) or at the current market price (market order).
* D. Quantity Selection:&#x20;
  * Tap to manually enter the desired buy or sell quantity. Use the slider to conveniently adjust the trade allocation.
* E. Available Gold for Trading:
  * The maximum amount of gold that can be used for stock trading after deducting transaction fees.
* F. Buy Button:&#x20;
  * Executes a buy or sell order based on the selected conditions.

## **■ Short Selling**

Short selling involves borrowing a stock, selling it, and later repurchasing it to return the borrowed shares.

> Tip: It is beneficial to sell when stock prices are high and buy back when prices are low. The lower the stock price drops, the higher the profit.

***

### **§ Short Selling Status Window**

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#### **Credit Limit**

* The maximum amount of stock that can be borrowed for short selling at the current time.
* As company value increases, the short selling limit also increases.

**Collateral**

* Gold obtained by selling borrowed stocks through short selling.
* Collateral is added to the total gold balance, but can only be used for stock repayment and not for any other purpose.
* The collateral amount updates daily based on the previous day's closing price of the shorted stock. (UTC 00:00 update)

**Repayment**

* Short selling positions can be held for a maximum of 3 days. After the deadline, stocks are automatically repurchased at market price.
* Repayment deadlines are calculated collectively per day, not based on individual positions. (UTC 00:00 update)

**Stock Status**

* Displays currently held stock names and their current prices.

**Short Selling Status**

* Displays the average price of shorted stocks, borrowed quantity, and current profit/loss ratio.
* When the repayment deadline expires, the shorted stocks are automatically repurchased at market price.

> - Early repayment is always possible before the deadline.
> - Additional short-selling positions can be opened, but existing positions cannot have their deadlines extended.
> - Interest is accrued on shorted stocks until the repayment deadline and is calculated daily before being settled collectively. (UTC 00:00 update)
> - Therefore, manually repaying before the deadline is more advantageous.

### **§ How to Use Short Selling**

<figure><img src="https://3532443572-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fe6QrhIoAbGf2bdIz1lZg%2Fuploads%2FXYzI0VMwwqMUzEmyXtJf%2Fstock%202025-03-10%20%EC%98%A4%ED%9B%84%205_29_13.png?alt=media&#x26;token=da5125c1-080e-45ad-96ea-8f026015f234" alt="" width="304"><figcaption></figcaption></figure>

* You can switch to short selling from the top-right of the existing Order Book.
* Since short selling involves borrowing and selling stocks, it is conducted from the Sell section of spot trading.
  * Conversely, repayment (closing a short position) is done from the Buy section.
* Other trading mechanics follow the same rules as regular stock trading.
  * Including transaction fees and trade history tracking.

