Algorithm Battle

Stock prices move up and down quickly and appear to be unpredictable.
If you were able to predict the price change for stocks, how would you maximize your profits?

Click anywhere in the chart to buy and/or sell a virtual stock.
Analyze your results using our simulated price chart.

Make sure to "buy low, sell high" to meet your target balance and maximize your profits.

Duration you own the stock

Duration you have an error e.g. insufficient funds

× Close

JavaScript Console

Available Variables

API Functions

buy(stockID, time, quantity); // Buy the stock
sell(stockID, time, quantity); // Sell the stock
quote(stockID, time); // Get the stock price
reset(); // Start over

quantity is optional.
(Maximum possible value is automatically assigned.)

Example Code

for (var t = 0; t < T; t++) {

    // Find t for a lower price than t-1 and t+1
    if (t == 0 || quote(A, t - 1) > quote(A, t)) {
        if (t != T - 1 && quote(A, t) < quote(A, t + 1)) {
            buy(A, t); // Buy Stock A at t
        }
    }

    // Find t for a higher price than t-1 and t+1
    if (t != 0 && quote(A, t - 1) < quote(A, t)) {
        if (t == T - 1 || quote(A, t) > quote(A, t + 1)) {
            sell(A, t); // Sell Stock A at t
        }
    }

}

Try this example

Notes

1. You can use the browser's Developer Tools to call API functions.

2. Download stock prices in CSV format to use any programming language of your choice. In that case, write something like
print("buy(A, 123);")
to print out all trades and paste the output to the JavaScript console above.

3. You can change the random seed value to use a different set of stock proces.

Apply

Automated Trading Results

× Close

Result Data

To use this data to apply to the Summer Internship Program 2020 <Technology> Course, copy and paste the data to the relevant field in the application form in "My Page."

You can submit your data even if you have not achieved the target.

ID: (This ID will be displayed in the Algorithm Battle ranking.)

Application Flow

1. If you have not signed up, click [Apply] button below to fill out the sign up form.

2. If you have already signed up, click [Log-in] button below to log in to "My Page". You can fill in the result data and submit the form to apply for the Summer Internship Program for Technology. Then, your score will be calculated and reflected on the ranking.

You can fill the result data and submit the form to apply to the Summer Internship Program 2020 <Technology> Course. Your score will be calculated and reflected in the ranking.