developmentinvestmentproductFeb 11, 2019, 12:29 PMReleased a downloader that retrieves execution data using exchange APIsThis article introduces a downloader that retrieves execution data using exchange APIs. To verify trading strategies that work in actual markets, I needed to conduct backtests using historical data. Therefore, I calculated the amount of data needed for a 30-day verification using bitFlyer's API to retrieve execution data. I published this downloader library as a Rust crate, with features including repeatedly hitting the API to write to MySQL or standard output, resuming from interruptions, and easy customization by simply implementing and passing traits.
gameJan 8, 2019, 9:40 AMHer Story ReviewHer Story is a game characterized by its distinctive game system and highly flexible progression. Players operate a police database to explore the story of a woman whose husband has gone missing. The core parts of the game become challenging, and the game balance is well-adjusted. Subtle visual effects and elements unrelated to the main plot create a flavorful atmosphere. However, the criteria for completion are unclear, which may result in a lack of sense of achievement.
Dec 14, 2018, 7:00 AMThe Little Book of Common Sense Investing ReviewThis book simply explains the basic principles of index investing. It is particularly useful for those who have not yet established a long-term investment style. It also includes practical content on the benefits of low-cost index funds and portfolio creation. For long-term investing, the author recommends low-cost index funds rather than active funds.
tripDec 13, 2018, 8:30 AMCairns (Great Barrier Reef, etc.) Tourism ReviewCairns is famous as a tourist destination for the Great Barrier Reef, but I discovered its charm as a city rich in activities. Cairns offers various experiences such as snorkeling, skydiving, and zoos. There are also many Japanese tourists, so there's less worry about getting exhausted from using English.
misctripDec 12, 2018, 7:30 AMReview of Soft Drinks Found in AustraliaI review soft drinks found in Australian supermarkets. Although the environment was not conducive to taste testing, with small products being expensive and large products being cheap, I tried several soft drinks. I was able to experience a variety of flavors, from health-conscious products to sweet juices.
investmentDec 11, 2018, 9:30 AMVery Convenient Interactive BrokersThis article introduces Interactive Brokers (IB), an excellent brokerage for frequent trading of US stocks and options. IB allows investment in various products including global stocks, futures, options, FX, bonds, and more, with low fees. It also offers high security, two-factor authentication, and comprehensive customer support. The tools are highly functional, and APIs are available for creating custom tools. However, there are some points to note, such as account maintenance fees and paid data subscriptions.
gameDec 10, 2018, 8:23 AMLiEat ReviewI was attracted by the cute jacket and purchased LiEat. Having completed the trilogy set, I'm writing an overall review. This game excels in graphics, characters, and world-building, but other elements are thin, making it different from what I expected. However, being short and cheap, it's not a loss to play.
investmentDec 9, 2018, 9:18 AMTrading System Development and Research Notes (2)Continuing from the previous post, I will consider the impact of API response delays. BF can experience significant delays, and it's necessary to create bots that take into account such characteristics of each exchange. It's a tedious task, but an important point.
investmentDec 8, 2018, 10:31 AMReview of "Scientific Trading Method More Advantageous Than Stocks" and "Super Stock Investment"I introduce two excellent introductory books on options investing. Although the author is the same and the content overlaps, they are characterized by easy-to-understand and practical explanations. They introduce six types of options strategies and show that returns exceeding holding the underlying asset can be obtained. They are very easy to understand for beginners and full of practical information.
EnglishDec 7, 2018, 10:20 AMCosts Incurred for About Six Months of Study in AustraliaI reflected on the actual costs incurred during my six-month study abroad experience in Australia. I calculated expenses for each category including school, housing, pre-entry, food, travel, and also introduce tips for saving money. While the cost of studying abroad is a major concern, there are areas where significant savings can be made with some ingenuity.
