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تغییرات CFA2023 نسبت به 2022
تقریبا در دنیای مالی، کسی نیست که CFA را نشناسد. CFA به عنوان یکی از مهم ترین آزمون های تعیین سطح متخصصین مالی، از سال 2020 بود که مباحث داده های بزرگ و یادگیری ماشین و کاربرد آنها به مباحث روش های کمی (Quantitative Methods) اضافه کرد. (این پست)
در ویرایش 2023 CFA دو تغییر عمده در درس روش های کمی انجام شده است. یکی اینکه کدهای پایتون برای تحلیل مسائل به اضافه شده است. و دوم اینکه رگرسیون چندعاملی به مباحث اضافه شده است. برای آشنایی بیشتر شما، تغییرات کلی CFA 2023 را نسبت به 2022 قرار می دهم و در پست های آتی کتاب های روش های کمی مقدماتی و پیشرفته را تقدیم خواهم کرد.
#CFA

پایتون برای مالی
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Create: 2023-06-23
Last Update: 2025-07-06 01:16:09

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Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

What Is Bitcoin?

Bitcoin is a decentralized digital currency that you can buy, sell and exchange directly, without an intermediary like a bank. Bitcoin’s creator, Satoshi Nakamoto, originally described the need for “an electronic payment system based on cryptographic proof instead of trust.” Each and every Bitcoin transaction that’s ever been made exists on a public ledger accessible to everyone, making transactions hard to reverse and difficult to fake. That’s by design: Core to their decentralized nature, Bitcoins aren’t backed by the government or any issuing institution, and there’s nothing to guarantee their value besides the proof baked in the heart of the system. “The reason why it’s worth money is simply because we, as people, decided it has value—same as gold,” says Anton Mozgovoy, co-founder & CEO of digital financial service company Holyheld.