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Dollar Cost Averaging Investing | Explained for Beginners
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00:00
Dollar cost averaging can be a great way to get started in investing and build wealth over time.
定期定額投資可以是開始投資並隨時間累積財富的好方法。
00:05
With small contributions on a regular basis, you can build a respectable investment portfolio, without changing your current lifestyle. In this video, we'll cover a full breakdown of what dollar cost averaging is and how it works.
透過定期小額投入,你可以在不改變現有生活水準的情況下,建立一個可觀的投資組合。在本影片中,我們將完整解析什麼是定期定額及其運作方式。
00:16
Hey, welcome to Rhinance, the channel centered around your financial education to help make you a better investor. Be sure to subscribe to the channel as I upload new educational stock market videos every week. The term dollar cost averaging can sound complex and intimidating,
嗨,歡迎來到 Rhinance,這個專注於你的財經教育、幫助你成為更好投資者的頻道。請務必訂閱本頻道,我每週都會上傳新的股市教育影片。定期定額這個詞聽起來可能複雜又嚇人,
00:32
but it's really quite simple. It just means that you are consistently adding money to your investments on a regular basis. Dollar cost averaging is a long-term investing strategy, in which you set a monthly budget and buy into your favorite investments with that budget every month. You can do this with all kinds of investments such as stocks, bonds, ETFs, mutual funds,
但它其實很簡單。它只是意味著你在固定時間持續投入資金到你的投資中。定期定額是一種長期投資策略,你設定一個每月預算,並利用這筆預算每月買進你最喜歡的投資標的。你可以用於各種投資,例如股票、債券、ETF、共同基金,
00:52
and really anything else. It's a great way for beginners to get started in the market, and for more seasoned investors to stay disciplined and focused.
以及幾乎任何其他東西。這是初學者進入市場的好方法,也能幫助經驗豐富的投資者保持紀律和專注。
01:01
Many investors use this strategy, including myself, to build wealth in your portfolios over time.
許多投資者,包括我自己,都使用這個策略來隨時間建立投資組合的財富。
01:06
It's a simple way to build a portfolio as investing small amounts on a regular basis is much easier than trying to save and invest a large amount all at once.
這是建立投資組合的簡單方式,因為定期投入小額金額,遠比試圖一次存下並投資一大筆錢要容易得多。
01:15
Dollar cost averaging helps remove the emotional bias out of investing and actually increases the chances of having successful investments. With consistent buying, you are able to smooth out the ups and downs of the market and end up with positions that average out to a lower cost than
定期定額有助於消除投資中的情緒偏誤,並實際提高投資成功的機率。透過持續買進,你能夠平滑市場的起伏,最終持有的部位平均成本會比市場價格更低。
01:31
the market price. Dollar cost averaging works by taking a preset amount of money and investing it on a regular basis, something like $250 every month on the first of each month. Over the course of time, the market will move up, down, and sideways and you'll be buying all along the way.
定期定額的運作方式是,取一筆預設金額並定期投資,例如每月一號固定投入 250 美元。隨著時間推移,市場會上漲、下跌或橫盤整理,而你會在一路上持續買進。
01:48
When the market is cheap, you'll be getting a good deal and be able to accumulate more shares.
當市場便宜時,你會買到好價位,並能累積更多股數。
01:54
On the other hand, when the market is more expensive, your money won't go as far and you won't be able to buy as many shares. What happens then is you'll be accumulating more shares at cheaper prices and less shares at higher prices. This usually results in the average cost of your investments
另一方面,當市場昂貴時,你的錢能買到的東西變少,能買的股數也隨之減少。這樣一來,你會在較便宜的價格買進更多股數,在較高的價格買進較少股數。這通常會導致你的投資平均成本維持在相對較低的水準,
02:09
staying relatively low, which is a good thing. So let's illustrate how this may work in the real world. As an example, let's say you want to invest $250 on the first of each month into the US stock market. We will use the SPY index fund as an investment vehicle to be buying
這是件好事。讓我們來說明這在現實世界中如何運作。舉例來說,假設你想在每月一號投入 250 美元到美國股市。我們將使用 SPY 指數基金作為投資工具,來買進構成 S&P 500 的公司。
02:27
the companies that make up the S&P 500. Here's a look at the graph of the S&P 500 for the time period between January 1, 2020 to June 1, 2020. We are going to use this six month period as an
這是 S&P 500 在 2020 年 1 月 1 日至 2020 年 6 月 1 日期間的走勢圖。我們將以這六個月作為例子。
02:45
example. So on January 1, 2020, you begin dollar cost averaging into the SPY index fund.
所以在 2020 年 1 月 1 日,你開始對 SPY 指數基金進行定期定額投資。
02:53
The price per share was $296, and let's assume you can buy fractional shares, in which your $250 investment buys you 0.84 shares of the index fund. Onto February 1, the price is now $305, so you get 0.82 shares as you make another $250 investment.
當時每股價格為 296 美元,假設你可以買零股,你的 250 美元投資可以買到 0.84 股的指數基金。到了 2 月 1 日,價格來到 305 美元,你再次投入 250 美元,買到 0.82 股。
03:15
In March, we start to see the market decline because of the COVID-19 pandemic, and you were able to buy 0.92 shares this month. Notice that even though you were still investing $250, you are now getting more shares for your money. The downward pressure from the pandemic
3 月,由於 COVID-19 疫情,我們開始看到市場下跌,這個月你買到了 0.92 股。請注意,雖然你同樣投資了 250 美元,但現在用同樣的錢買到了更多股數。
03:31
continues in April, when you were able to buy 1.1 shares this month. Nice, this month you were able to buy a full share and even a little more. This is much better than the 0.84 shares you bought in January. In May, the market starts to recover, when your next $250 investment buys you 0.93 shares.
疫情帶來的下行壓力在 4 月持續,這個月你買到了 1.1 股。很好,這個月你買到了一整股甚至更多。這比 1 月買的 0.84 股好太多了。5 月,市場開始復甦,你的下一筆 250 美元投資買到了 0.93 股。
03:52
And lastly, on June 1, the market sits close to its pre-COVID levels, so you buy 0.85 shares of the index fund. So now let's have a look at how this investment has done so far. Through the ups and downs of the market, you would have invested a total of $1,500 and accumulated 5.46 shares. The price of the SPY as of June 1, 2020 was $293,
最後,在 6 月 1 日,市場接近疫情前的水準,你買了 0.85 股的指數基金。那麼現在讓我們來看看這筆投資目前的表現如何。
04:17
so we multiply 293 by the number of shares you have, 5.46, to find that your investment is worth $1,600. By doing this, you've made a gain of $100, or 6.7%, not bad! What's really interesting
經過市場的起伏,你總共投資了 1,500 美元,並累積了 5.46 股。截至 2020 年 6 月 1 日,SPY 的價格為 293 美元,
04:32
here is when we compare your investments to what the stock price did over that period of time.
所以我們將 293 乘以你持有的股數 5.46,發現你的投資價值為 1,600 美元。透過這樣做,你賺了 100 美元,或 6.7% 的報酬,表現不錯!真正有趣的是,
04:38
From January 1 to June 1, the market moved down from $296 to $293, showing a loss of $3 per share or negative 1%. By dollar cost averaging, over this period of time, you were able to generate a
從 1 月 1 日到 6 月 1 日,市場從 296 美元下跌至 293 美元,每股虧損 3 美元,跌幅為負 1%。透過平均成本法(Dollar Cost Averaging),在這段時間內,當市場實際下跌 1% 時,你卻能創造出
04:53
profit of 6.7% when the market actually declined and lost 1%. This shows how dollar cost averaging can be very powerful over the long run. So now that you've seen this in action, let's cover some of the benefits of dollar cost averaging. First of all, timing the market is
6.7% 的利潤。這顯示了平均成本法在長期內能發揮多麼強大的作用。既然你已經看到了實際操作,現在讓我們來探討平均成本法的一些好處。首先,要在長期內準確地
05:11
extremely difficult to do correctly over the long term. Like our example showed, if you had invested all $1,500 on January 1, you would not have done as well as if you spaced out the investments.
預測市場進場時機極為困難。正如我們的例子所示,如果你在 1 月 1 日一次性投入全部 1,500 美元,你的表現將不如分散投資。
05:23
It's much easier for an investor to buy little bits at a time and end up with a profitable investment.
對投資者來說,分批小額買進,最終獲得獲利的投資要容易得多。
05:28
On top of this, most people don't have large piles of money sitting around to dump into the stock market. And even if you did, that would be a pretty terrifying thing to do.
此外,大多數人手頭並沒有大筆閒錢可以一股腦投入股市。即使你有,那也是一件相當可怕的事。
05:37
By dollar cost averaging, you can find an amount that fits within your personal budget and allow you to build wealth. If you're a beginner and looking to get started, dollar cost averaging is a great way to do it. Lastly, investing can be an emotional rollercoaster ride as you watch your hard earned money go up and down in value on a daily basis.
透過平均成本法,你可以找到一個符合個人預算的金額,並藉此累積財富。如果你是新手且想要開始投資,平均成本法是一個絕佳的方式。最後,投資可能像坐雲霄飛車一樣情緒起伏,因為你會看著自己辛苦賺來的錢每天價值上下波動。
05:55
One of the best things you can do for your financial future is to find a way to take the emotions out of it. By dollar cost averaging, you are committed to increasing your account value and building wealth without having to fight the emotional bias of whether now is a good time to buy or not.
為了你的財務未來,你能做的最好的事情之一,就是找到一個方法來排除情緒干擾。透過平均成本法,你致力於增加帳戶價值和累積財富,而不必去對抗現在是否為買進良機的情緒偏見。
06:11
Before I close out the video here, I would like to touch on some of the downsides of this investing strategy. Similar to what I had mentioned before, lump sum investing, where you deposit and invest large amounts at one time, can sometimes do better than dollar cost averaging.
在結束這支影片之前,我想談談這種投資策略的一些缺點。正如我之前提到的,一次性投入(Lump Sum Investing),也就是一次存入並投資大筆資金,有時表現會比平均成本法更好。
06:26
From the example before, if you had invested the full $1,500 during the March lows of 2020, your investment would have grown to $1,758, which is really good. That's a $258 gain, or 17%.
以之前的例子來說,如果你在 2020 年 3 月低點時投入全部 1,500 美元,你的投資將增長到 1,758 美元,這真的很棒。那是 258 美元的收益,或 17%。
06:41
So yes, you can do better with correct timing, but keep in mind that you can also be wrong in your timing. There's a famous saying in investing that goes time in the market beats timing the market, and I think that this is very true and something that most people should follow. Finally,
所以是的,如果你時機抓得準,表現會更好,但請記住,你的時機也可能出錯。投資界有句名言:「在市場裡的時間(Time in the market)勝過試圖預測市場進場時機(Timing the market)」,我認為這非常正確,也是大多數人應該遵循的原則。最後,
06:57
it should be mentioned that since you are buying more often with dollar cost averaging, you will also be paying commission and trading fees with each buy. Fees are important and something to pay attention to because they do count against your performance in the market. Recently, however, there has been a rise in commission-free trading platforms such as Robinhood and Wealth Simple.
應該要提到的是,由於你使用平均成本法更頻繁地買進,每次買進也都會支付手續費和交易費。費用很重要,需要多加留意,因為它們確實會影響你在市場的表現。然而,最近出現了許多免手續費的交易平台,例如 Robinhood 和 Wealthsimple。
07:17
This is not an endorsement for these platforms, but using one of these platforms may be a great way to completely eliminate the fees associated with investing. I would encourage you to do your own research on stock brokerages to find one that suits your personal needs. Thanks for watching today. What do you think about dollar cost averaging? Do you do this in your investments,
這並非對這些平台的背書,但使用這些平台之一可能是完全消除投資相關費用的好方法。我鼓勵你對股票經紀商做自己的研究,找到最適合你個人需求的一家。感謝今天的觀看。你對平均成本法有什麼看法?你在投資中使用這個方法嗎,
07:36
or are you considering starting this? Let me know your thoughts in the comments below.
還是正在考慮開始使用?請在下方留言告訴我你的想法。
07:40
You can check out the playlist on screen now for more educational videos like this one.
你可以查看螢幕上的播放清單,尋找更多像這樣的教育影片。
07:44
If you learned something new, give the video a thumbs up, and as always, subscribe for more, and I'll see you in the next one. Bye!
如果你學到了新知識,請幫這支影片按個讚,並一如既往地訂閱以獲取更多內容,我們下支影片見。掰掰!

Dollar Cost Averaging Investing | Explained for Beginners

📝 影片摘要

本單元深入解析「平均成本法」(Dollar Cost Averaging, DCA)此一投資策略。課程從基本定義開始,說明DCA是一種透過「定期定額」在固定時間投入固定金額的長期投資方式,適用於股票、ETF等多種商品。影片透過2020年S&P 500的實際案例,展示如何在市場波動中,利用下跌時買進更多單位來降低平均成本,從而在市場微跌時仍能獲利。此外,課程也探討此策略的優勢,如消除情緒偏誤、降低進場門檻,並比較了與一次性投入(Lump Sum)的差異與風險,最後提醒投資人注意交易手續費的影響。

📌 重點整理

  • 平均成本法(DCA)是指在固定時間(如每月)投入固定金額的投資策略。
  • 此策略有助於消除投資時的情緒偏誤,避免追高殺低。
  • 透過在市場下跌時買進更多單位,能有效降低整體持有成本。
  • 即使市場價格下跌,DCA 投資仍可能因平均成本降低而獲利。
  • 對於沒有大筆資金的初學者,DCA 是一個低門檻的入門方式。
  • DCA 的缺點是,若市場長期上漲,其報酬率可能不如一次性全額投入(Lump Sum)。
  • 投資名言:「在市場中的時間(Time in the market)勝過預測進場時機(Timing the market)」。
  • 頻繁交易可能產生較多手續費,投資人應選擇低費用或免手續費的平台。
📖 專有名詞百科 |點擊詞彙查看維基百科解釋
波動性
volatility
投資組合
portfolio
部分的
fractional
累積
accumulate
大流行病
pandemic
分散的
diversified
手續費
commission
一次性全額
lump sum
有紀律的
disciplined
雲霄飛車
rollercoaster

🔍 自訂查詢

📚 共 10 個重點單字
volatility /ˌvɒləˈtɪləti/ noun
the quality of being likely to change suddenly
波動性;不穩定性
📝 例句
"The market is experiencing high volatility."
市場正經歷高度波動。
✨ 延伸例句
"Oil prices are notoriously volatile."
石油價格以波動劇烈而聞名。
portfolio /pɔːrtˈfoʊlioʊ/ noun
a collection of investments held by an investment company or individual
投資組合
📝 例句
"you can build a respectable investment portfolio, without changing your current lifestyle."
你可以在不改變現有生活水準的情況下,建立一個可觀的投資組合。
✨ 延伸例句
"Diversification is key to managing risk in your portfolio."
分散投資是管理投資組合風險的關鍵。
fractional /ˈfrækʃənl/ adjective
constituting or comprising a part or fraction of a possible whole
部分的;分數的(此處指零股)
📝 例句
"let's assume you can buy fractional shares"
假設你可以買零股
✨ 延伸例句
"Fractional shares allow you to buy a portion of a high-priced stock."
零股讓你能夠買進高價股的一部分。
accumulate /əˈkjuːmjəleɪt/ verb
gather together or acquire an increasing number or quantity of something
累積;積聚
📝 例句
"you'll be able to accumulate more shares"
你將能夠累積更多股數
✨ 延伸例句
"He worked hard to accumulate wealth for his retirement."
他努力工作為退休生活累積財富。
pandemic /pænˈdemɪk/ noun
a disease prevalent throughout a whole country or the world
大流行病
📝 例句
"because of the COVID-19 pandemic"
由於 COVID-19 疫情
✨ 延伸例句
"The global pandemic affected economies worldwide."
全球大流行病影響了世界各地的經濟。
diversified /daɪˈvɜːrsɪfaɪd/ adjective
showing a variety of different types or subjects
分散的;多元化的
📝 例句
"if you had invested all $1,500 on January 1, you would not have done as well as if you spaced out the investments."
如果你在 1 月 1 日一次性投入全部 1,500 美元,你的表現將不如分散投資。
✨ 延伸例句
"A diversified portfolio can help reduce overall risk."
多元化的投資組合有助於降低整體風險。
commission /kəˈmɪʃn/ noun
a fee charged by a broker for buying or selling securities
手續費;佣金
📝 例句
"you will also be paying commission and trading fees with each buy"
你也會在每次買進時支付手續費和交易費
✨ 延伸例句
"High commissions can eat into your investment returns."
高昂的手續費會侵蝕你的投資報酬。
lump sum /lʌmp sʌm/ noun phrase
a single payment made at one time, as opposed to a series of payments
一次性全額;整筆
📝 例句
"lump sum investing, where you deposit and invest large amounts at one time"
一次性投入(Lump Sum Investing),也就是一次存入並投資大筆資金
✨ 延伸例句
"She received her inheritance as a lump sum."
她以一筆整款收到了繼承的財產。
disciplined /ˈdɪsəplɪnd/ adjective
showing a controlled form of behavior or way of working
有紀律的
📝 例句
"for more seasoned investors to stay disciplined and focused"
也能幫助經驗豐富的投資者保持紀律和專注
✨ 延伸例句
"Successful investors are usually very disciplined with their strategy."
成功的投資者通常對其策略非常有紀律。
rollercoaster /ˈroʊlərˌkoʊstər/ noun
a steep, fast, narrow-railway ride at an amusement park
雲霄飛車(比喻劇烈起伏)
📝 例句
"investing can be an emotional rollercoaster ride"
投資可能像坐雲霄飛車一樣情緒起伏
✨ 延伸例句
"The stock market can be an emotional rollercoaster for new investors."
對新手投資者來說,股市可能是一場情緒的雲霄飛車。
🎯 共 10 題測驗

1 According to the video, what is the core definition of Dollar Cost Averaging? 根據影片,平均成本法的核心定義是什麼? According to the video, what is the core definition of Dollar Cost Averaging?

根據影片,平均成本法的核心定義是什麼?

✅ 正確! ❌ 錯誤,正確答案是 B

The video defines Dollar Cost Averaging as a long-term strategy where you set a monthly budget and buy into your favorite investments with that budget every month.

影片定義平均成本法為一種長期投資策略,你設定一個每月預算,並利用這筆預算每月買進你最喜歡的投資標的。

2 In the 2020 example, what was the total amount invested over six months? 在 2020 年的案例中,六個月內的總投資金額是多少? In the 2020 example, what was the total amount invested over six months?

在 2020 年的案例中,六個月內的總投資金額是多少?

✅ 正確! ❌ 錯誤,正確答案是 B

The example states that the investor invested $250 monthly for six months, totaling $1,500.

案例中指出投資者每月投資 250 美元,持續六個月,總共投資了 1,500 美元。

3 During which month did the investor buy the most shares due to market decline? 由於市場下跌,投資者在哪個月買進了最多的股份? During which month did the investor buy the most shares due to market decline?

由於市場下跌,投資者在哪個月買進了最多的股份?

✅ 正確! ❌ 錯誤,正確答案是 C

In April, during the pandemic's downward pressure, the investor was able to buy 1.1 shares, which was the highest amount in the example.

在四月,疫情帶來下行壓力時,投資者買到了 1.1 股,這是該案例中單月買進數量最多的一次。

4 What was the percentage return on investment by June 1, 2020, according to the calculation? 根據計算,截至 2020 年 6 月 1 日,投資回報率是多少? What was the percentage return on investment by June 1, 2020, according to the calculation?

根據計算,截至 2020 年 6 月 1 日,投資回報率是多少?

✅ 正確! ❌ 錯誤,正確答案是 C

The video calculates that the investment grew to $1,600, resulting in a profit of $100, which is a 6.7% gain.

影片計算出投資價值增長至 1,600 美元,獲利 100 美元,報酬率為 6.7%。

5 Compared to the DCA strategy, what would have happened if the full $1,500 was invested on January 1? 若在 1 月 1 日一次性投入全部 1,500 美元,相比 DCA 策略結果如何? Compared to the DCA strategy, what would have happened if the full $1,500 was invested on January 1?

若在 1 月 1 日一次性投入全部 1,500 美元,相比 DCA 策略結果如何?

✅ 正確! ❌ 錯誤,正確答案是 B

The video explains that if $1,500 was invested on Jan 1, the stock price went from $296 to $293, resulting in a loss of 1%.

影片解釋,如果在 1 月 1 日投入 1,500 美元,股價從 296 美元跌至 293 美元,會導致 1% 的虧損。

6 What is one major benefit of Dollar Cost Averaging mentioned in the video? 影片中提到的平均成本法主要優勢之一是什麼? What is one major benefit of Dollar Cost Averaging mentioned in the video?

影片中提到的平均成本法主要優勢之一是什麼?

✅ 正確! ❌ 錯誤,正確答案是 B

The video states that Dollar Cost Averaging helps remove the emotional bias out of investing.

影片指出,平均成本法有助於消除投資中的情緒偏誤。

7 What is the famous saying mentioned regarding time in the market vs. timing the market? 影片中提到關於『在市場中的時間』與『預測進場時機』的名言是什麼? What is the famous saying mentioned regarding time in the market vs. timing the market?

影片中提到關於『在市場中的時間』與『預測進場時機』的名言是什麼?

✅ 正確! ❌ 錯誤,正確答案是 C

The video quotes: 'Time in the market beats timing the market,' emphasizing staying invested rather than trying to predict highs and lows.

影片引用名言:『在市場中的時間勝過預測進場時機』,強調持續投資優於試圖預測高點和低點。

8 What potential downside of DCA does the video mention regarding costs? 關於成本,影片提到 DCA 的什麼潛在缺點? What potential downside of DCA does the video mention regarding costs?

關於成本,影片提到 DCA 的什麼潛在缺點?

✅ 正確! ❌ 錯誤,正確答案是 B

The video mentions that since you are buying more often with DCA, you will be paying commission and trading fees with each buy.

影片提到,由於使用 DCA 較頻繁地買進,每次買進也都會支付手續費和交易費。

9 What kind of investment vehicle was used in the 2020 example? 在 2020 年的案例中,使用了哪種投資工具? What kind of investment vehicle was used in the 2020 example?

在 2020 年的案例中,使用了哪種投資工具?

✅ 正確! ❌ 錯誤,正確答案是 C

The video specifically states: 'We will use the SPY index fund as an investment vehicle'.

影片明確指出:『我們將使用 SPY 指數基金作為投資工具』。

10 Who is the target audience for the Dollar Cost Averaging strategy according to the video? 根據影片,平均成本法策略的主要受眾是誰? Who is the target audience for the Dollar Cost Averaging strategy according to the video?

根據影片,平均成本法策略的主要受眾是誰?

✅ 正確! ❌ 錯誤,正確答案是 C

The video states it's 'a great way for beginners to get started in the market, and for more seasoned investors to stay disciplined and focused.'

影片指出這是『初學者進入市場的好方法,也能幫助經驗豐富的投資者保持紀律和專注』。

測驗完成!得分: / 10