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Answers to Daily Challenge
Consolidating all the answers from Alpha Vantage daily challenge
You can earn 50 AVC every day when you play the Daily Challenge. 1 AVC is worth $0.03 (as of Mar 2022), so effectively you can earn $2 a day! When you sign up, do use my referral code LTSCBE to redeem another 250 AVC πͺ
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The technical indicator RSI oscillates between which two numbers?
0 through 100
Is decision tree a machine learning algorithm?
Yes, it is a supervised machine learning algorithm
What number traditionally signals overbought when using the RSI?
70
What reading on the Purchasing Managers Index signals contraction?
Under 50
When using the Moving Average Crossover trading strategy, when should you exit a long position?
When the shorter-term MA crosses below the longer-term MA
When using the MACD indicator, how do you calculate the MACD Line?
12 Period EMA - 26 Period EMA
Is Naive Bayes a machine learning algorithm?
Yes, it is a supervised machine learning algorithm
Is k-means clustering a machine learning algorithm?
Yes, it is an unsupervised machine learning algorithm
If a moving average is increasing, what does that typically convey about the underlying security?
The price of the security is trending up
What is the difference between an SMA & EMA in the context of technical analysis
SMA assigns equal weights to all periods, whereas EMA assigns more weight on more recent periods
Which of the following is true for AVC staking?
The staking reward is distributed daily
Which of the following is NOT true about test data in machine learning tasks?
The model performance will always be higher on test data than on training data
They are a clone of the training data
Is Pythagorean Theorem a machine learning algorithm?
false
What is the typical function of models.py in Python/Django web development?
Database table definitions
What can you earn for signing up for a Webull investing account?
2 free stocks each worth $3 - $300
What can you earn for signing up & funding your account with Webull?
Earn 5 free stocks
Is Bitcoin a fungible currency?
true
Are non-fungible tokens part of the ERC20 family?
false
What are example types of momentum as a key quant factor in the stock market?
Price momentum
What does the command python manage.py migrate do in Python development?
Apply database migrations
Which of the following is true regarding stocks and bonds
It is possible that a mixed portfolio of stocks and bonds can have similar returns vs. a pure stock portfolio
Is cartesian coordinate a machine learning algorithm?
false
Which of the following is a good analogy for APR in the context of staking?
It is like the interest rate / yield of a US federal bond
Which of the following is a key benefit of smart contracts?
Minimal bias
What is one advantage of deep learning over traditional machine learning methods?
Deep learning requires less labor-intensive feature engineering
Is linear algebra a machine learning algorithm?
false
Is Gaussian Mixture Model clustering a machine learning algorithm?
Yes, it is an unsupervised machine learning algorithm
Which of the following does NOT have artificial intelligence (AI) embedded in it?
Smoke detector
A hardware wallet holding Bitcoins
The native Messenger App on your smartphone device
The SIM card of your phone
In general, are small-cap stocks riskier than large-cap stocks?
Yes
Yes, bacause small-cap stocks tend to be more sensitive to perturbations in the broader market
Yes, bacause small-cap stocks tend to be high-beta
In general, companies with higher P/E ratios have achieved their stock prices because:
Both of the above (The companies have attractive growth prospects AND The companies tend to be hyped and investors may slightly over-pay for their shares)
In general, companies that have higher P/E ratios also have:
Higher growth expected by investors and financial news media
If a stock has low beta, it generally has:
Low volatility
Low risk
Low market sensitivity
Low volatility and low market sensitivity
In general, which of the following does NOT characterize a high quality stock/company?
The company is in the consumer cyclical business/sector
Is Principle Component Analysis (PCA) a machine learning algorithm? (typo: should be Principal)
Yes, it is an unsupervised machine learning algorithm
Do you need a minimal AVC balance to start staking?
No, you can stake as long as there is a non-zero balance in your Metamask wallet
Is linear SVM a machine learning algorithm?
Yes, it is a supervised machine learning algorithm
Which of the following is NOT covered in settings.py in the context of Django web development?
Importing the JQuery library
In order to test the performance of a machine learning model, you need:
Test data
Which of the following does NOT use machine learning?
Minting a new cryptocurrency on the Binance Smart Chain (BSC)
The Calculator app on your smartphone device
Heating some dishes in a microwave
Charging a gasoline-power vehicle at your local gas station
The repeat-one feature of Spotify
A ferry boat from Seattle to Vancouver
A Xerox printer
What is one difference between adjusted close price and raw close price?
The former is more frequently used for trading strategy back-testing than the latter
If you are staking 500 AVC at 7.5% APR, what will be your daily AVC reward?
500 x 7.5% / 365
If you are staking 500 AVC at 7.5% APR, what will be your annual AVC reward?
500 x 7.5%
Which of the following is true for Alpha Vantage Coin (AVC)?
It can be mined without any specialized mining hardware or software
You can mine the coin without writing any software code/scripts
By holding AVC, one can vote for the governance roadmap of the project
By holding AVC, one can unlock a high-volume API key for the Alpha Vantage APIs
It is on the Ethereum blockchain, following the ERC20 standard
It is a dual-purpose utility & governance token to empower all financial market participants in the world
Which of the following is NOT true for AVC staking?
The staking reward is distributed once every quarter (3 months)
Which of the following is true about test data in machine learning tasks?
They can be used to verify the robustness of the trained model
Is linear regression a good machine learning model for predicting stock prices?
No, because stock price movements are generally non-linear
Which of the following is true about training data in machine learning tasks?
They are always high quality data
They are labeled with answers in supervised learning settings
They are labeled with input (X) and output (Y) for the model to learn
Which of the following is an application of smart contracts?
An ERC20 token on the Ethereum blockchain
An ERC20 token that has a low trading volume on Uniswap
A web3 decentralized application (dapp) such as the Alpha Tournament
A decentralized exchange (DEX) such as Uniswap
The cryptocurrency USD Coin (USDC)
Metamask wallet
Do you need real-time data for ALL machine learning tasks?
No
Do you need training data for machine learning tasks?
It depends on the use case
What does Django mean in the context of Python web development?
It is a web development framework written in Python
What is the typical function of runtime.txt files in Python/Django web development?
Python runtime version definitions
What is the typical function of urls.py in Python/Django web development?
Set up URL routing
What is the typical function of db.sqlite3 in Python/Django web development?
Database configurations
What is the typical function of files in the .css format in Python/Django web development?
Frontend rendering
What is the typical function of requirements.txt in Django web development?
Listing the required dependencies and libraries
What is the typical function of settings.py in Django web development?
App configurations
What is the typical function of views.py in Python/Django web development?
Backend logic
What is the typical function of the JQuery Library in web development?
Frontend logic
What does AJAX mean in the context of Python web development?
Asynchronous JavaScript and XML
What does the command pip install do in Python development?
Install Python libraries
Which of the following is NOT a key attribute of ERC20 tokens?
They are all traded on Coinbase
Is deep learning always better than other machine learning algorithms?
It depends on the use case
What is the relationship between machine learning and deep learning?
Deep learning is a special class of machine learning algorithms
Which of the following is NOT a key benefit of smart contracts?
Improving the diversity and inclusion in the US labor market
Tesla (TSLA) had a five-for-one stock split in August 2020. Which of the following is TRUE?
TSLA shareholders had more shares after the split
Apple (AAPL) had a four-for-one stock split in August 2020. Which of the following is TRUE?
AAPL shareholders had more shares after the split
Which of the following will NOT happen when a stock goes through a stock split event?
It will be delisted from the NASDAQ Stock Exchange
Which of the following is a key attribute of ERC20 tokens
Decentralization
Which of the following is NOT true for ERC20 tokens?
They are centralized by nature
Which of the following is true about ANY machine learning algorithm with good performance?
It will definitely perform well on the training dataset
In order to build a deep learning model, you need:
Training data
A mathematical way for the model to converge
A computing resource equipped with either CPU or GPU
Which of the following is a key attribute of smart contracts?
Decentralization
Which of the following is NOT true for Python/Django?
It can be used for developing iOS applications
It can be used for developing video games powered by Unity
What is the relationship between machine learning and artificial intelligence?
Machine learning is an important tool to achieve general artificial intelligence
Is the XXX_CURRENCY (US Dollar, Korean Won, Japanese Yen, British Pound, Euro, etc) a fungible token?
Yes
Are ERC20 tokens fungible?
Yes
Is Bitcoin a fungible token?
Yes
Are commodities such as Gold and Silver fungible assets?
Yes
Are commodities such as Copper fungible assets?
Yes
Which of the following is true about PyTorch?
The Py part in PyTorch means Python
It is open-sourced
Which of the following is NOT true about PyTorch?
It is a for-profit project
It is the building block of blockchain technologies
While these are TRUE: It supports both CPU and GPU usage, It can be installed as a Python package/library, It is an open-source project
Do you need central processing units (CPU) for deep learning tasks?
It depends on the use case
Do you need graphical processing units (GPU) for deep learning tasks?
It depends on the use case
Does deep learning always deliver better performance than other machine learning algorithms?
It depends on the use case
Is polar coordinate a machine learning algorithm?
No
When building a good machine learning model, having more training data is always better than having less training data
False
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