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美股市場(chǎng)距離全天候交易更近一步,這是好是壞?

GREG MCKENNA
2024-12-13

全天候交易正在成為華爾街和全球的常態(tài)。

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圖片來(lái)源:MICHAEL NAGLE—BLOOMBERG/GETTY IMAGES

在紐約證券交易所(New York Stock Exchange)或納斯達(dá)克(Nasdaq)敲響開(kāi)市和閉市鐘聲是一項(xiàng)歷史悠久的傳統(tǒng),而且參與這一儀式,也是公司及其高管們的一大榮譽(yù)。然而,隨著全天候交易成為華爾街和全球的常態(tài),這一儀式的意義可能正在減弱。

上個(gè)月末,24 Exchange(名稱恰如其分)成為首個(gè)獲得美國(guó)證券交易委員會(huì)(SEC)批準(zhǔn)進(jìn)行隔夜交易的交易所,標(biāo)志著這一根本性轉(zhuǎn)變的里程碑事件。據(jù)Axios報(bào)道,該公司計(jì)劃在明年正式啟動(dòng)之前籌集5,000萬(wàn)美元。

與此同時(shí),羅賓漢(Robinhood)等其他受歡迎的經(jīng)紀(jì)公司早已開(kāi)始支持24小時(shí)交易,這使得散戶投資者可以進(jìn)入一個(gè)以前只有對(duì)沖基金和其他主要機(jī)構(gòu)投資者能夠進(jìn)入的領(lǐng)域。10月,紐約證券交易所宣布將向證券交易委員會(huì)提交申請(qǐng),計(jì)劃在工作日支持22小時(shí)交易,以適應(yīng)全球化和數(shù)字化的潮流。

特斯拉(Tesla)、英偉達(dá)(Nvidia)和蘋(píng)果(Apple)等熱門股票在開(kāi)盤前或收盤后可能會(huì)出現(xiàn)大幅波動(dòng),尤其是在財(cái)報(bào)發(fā)布或其他重大新聞事件(如總統(tǒng)選舉)發(fā)生之后。因此,許多投資者不希望僅限于上午9:30到下午4:00之間進(jìn)行買賣,原因也就顯而易見(jiàn)了。

畢竟,他們可以全天候交易加密貨幣,外匯市場(chǎng)也是如此。然而,在正常交易時(shí)間之外進(jìn)行交易,風(fēng)險(xiǎn)也會(huì)增加,股票投資者需要了解這些風(fēng)險(xiǎn)。

事實(shí)上,目前美國(guó)主要證券交易所提供的延長(zhǎng)交易時(shí)間也存在類似的缺點(diǎn),投資者可以通過(guò)許多零售經(jīng)紀(jì)公司參與其中。紐約證券交易所和納斯達(dá)克的盤前交易時(shí)間均為凌晨4點(diǎn)到上午9點(diǎn)30分。前者在下午4點(diǎn)到晚上8點(diǎn)開(kāi)放盤后交易,而后者在晚上6點(diǎn)30分結(jié)束交易。

重要的是要知道,在所有這些非傳統(tǒng)交易時(shí)段內(nèi),成交量更低,這意味著當(dāng)投資者試圖補(bǔ)倉(cāng)或清倉(cāng)時(shí),價(jià)格可能會(huì)出現(xiàn)更快、更劇烈的波動(dòng)。

前紐約證交所政策與運(yùn)營(yíng)委員會(huì)成員理查德·托倫扎諾在《財(cái)富》雜志最近發(fā)表的一篇評(píng)論文章中解釋稱:“今天的投資者進(jìn)行交易時(shí)不需要支付傭金,但他們實(shí)際上是以價(jià)差的形式支付了傭金?!?/p>

這些價(jià)差,即股票買賣價(jià)格之間的差額,通常會(huì)在延長(zhǎng)交易時(shí)間內(nèi)擴(kuò)大,而且可能會(huì)侵蝕利潤(rùn)。換言之,較低的流動(dòng)性意味著投資者等待在核心交易時(shí)段交易可能獲得更高的回報(bào)。

證券交易委員會(huì)為什么支持全天候交易?

美國(guó)證券交易委員會(huì),包括即將離任的主席加里·蓋斯勒,一致批準(zhǔn)了24 Exchange全天候交易業(yè)務(wù)的計(jì)劃。這表明他們認(rèn)同支持者的觀點(diǎn),即受監(jiān)管的隔夜交易可能會(huì)提高市場(chǎng)的透明度。

目前,投資機(jī)構(gòu)通常使用替代交易系統(tǒng)(ATS)在典型交易所之外尋找大宗交易的對(duì)手方。對(duì)沖基金尤其青睞所謂的“暗池”?!鞍党亍钡拇蠖鄶?shù)經(jīng)營(yíng)者是投資銀行,允許投資者在不公開(kāi)的情況下進(jìn)行大宗股票交易。

在宣布24 Exchange獲批的聲明中,證券交易委員會(huì)委員赫斯特·皮爾斯和卡羅琳·克倫肖表示,在透明的交易所進(jìn)行隔夜交易,而不是在“暗池”進(jìn)行交易,可以為美國(guó)和外國(guó)投資者提供更方便的交易。

他們表示:“這可能會(huì)吸引更多的參與者進(jìn)入我們的市場(chǎng)。”

然而在《財(cái)富》雜志的評(píng)論文章中,托倫扎諾表示,他對(duì)這種轉(zhuǎn)變持懷疑態(tài)度。他表示,蘋(píng)果、微軟(Microsoft)、亞馬遜(Amazon)、Meta、甲骨文(Oracle)、Visa和萬(wàn)事達(dá)卡(Mastercard)、摩根大通(JPMorgan)和??松梨冢‥xxon)等股票已經(jīng)通過(guò)在東京、倫敦等地的雙重上市,在美國(guó)市場(chǎng)時(shí)間之外進(jìn)行交易。

他寫(xiě)道:“在缺少這種支配地位或者無(wú)法確定的吸引力的情況下,吸引外國(guó)投資者在非交易時(shí)段參與美股交易似乎極具挑戰(zhàn)性,尤其是當(dāng)美國(guó)市場(chǎng)關(guān)閉時(shí),外國(guó)投資者可以在本國(guó)市場(chǎng)交易,并且受到本地監(jiān)管的保護(hù)?!?

然而,對(duì)于美國(guó)散戶投資者來(lái)說(shuō),隔夜交易可能代表著一個(gè)有意義的轉(zhuǎn)變。從2025年下半年開(kāi)始,24 Exchange計(jì)劃在美國(guó)工作日從凌晨4點(diǎn)到晚上7點(diǎn)運(yùn)營(yíng)。然后,它的目標(biāo)是擴(kuò)展到工作日23小時(shí)交易,從周日晚8點(diǎn)持續(xù)到周五晚7點(diǎn)。(財(cái)富中文網(wǎng))

譯者:劉進(jìn)龍

審校:汪皓

在紐約證券交易所(New York Stock Exchange)或納斯達(dá)克(Nasdaq)敲響開(kāi)市和閉市鐘聲是一項(xiàng)歷史悠久的傳統(tǒng),而且參與這一儀式,也是公司及其高管們的一大榮譽(yù)。然而,隨著全天候交易成為華爾街和全球的常態(tài),這一儀式的意義可能正在減弱。

上個(gè)月末,24 Exchange(名稱恰如其分)成為首個(gè)獲得美國(guó)證券交易委員會(huì)(SEC)批準(zhǔn)進(jìn)行隔夜交易的交易所,標(biāo)志著這一根本性轉(zhuǎn)變的里程碑事件。據(jù)Axios報(bào)道,該公司計(jì)劃在明年正式啟動(dòng)之前籌集5,000萬(wàn)美元。

與此同時(shí),羅賓漢(Robinhood)等其他受歡迎的經(jīng)紀(jì)公司早已開(kāi)始支持24小時(shí)交易,這使得散戶投資者可以進(jìn)入一個(gè)以前只有對(duì)沖基金和其他主要機(jī)構(gòu)投資者能夠進(jìn)入的領(lǐng)域。10月,紐約證券交易所宣布將向證券交易委員會(huì)提交申請(qǐng),計(jì)劃在工作日支持22小時(shí)交易,以適應(yīng)全球化和數(shù)字化的潮流。

特斯拉(Tesla)、英偉達(dá)(Nvidia)和蘋(píng)果(Apple)等熱門股票在開(kāi)盤前或收盤后可能會(huì)出現(xiàn)大幅波動(dòng),尤其是在財(cái)報(bào)發(fā)布或其他重大新聞事件(如總統(tǒng)選舉)發(fā)生之后。因此,許多投資者不希望僅限于上午9:30到下午4:00之間進(jìn)行買賣,原因也就顯而易見(jiàn)了。

畢竟,他們可以全天候交易加密貨幣,外匯市場(chǎng)也是如此。然而,在正常交易時(shí)間之外進(jìn)行交易,風(fēng)險(xiǎn)也會(huì)增加,股票投資者需要了解這些風(fēng)險(xiǎn)。

事實(shí)上,目前美國(guó)主要證券交易所提供的延長(zhǎng)交易時(shí)間也存在類似的缺點(diǎn),投資者可以通過(guò)許多零售經(jīng)紀(jì)公司參與其中。紐約證券交易所和納斯達(dá)克的盤前交易時(shí)間均為凌晨4點(diǎn)到上午9點(diǎn)30分。前者在下午4點(diǎn)到晚上8點(diǎn)開(kāi)放盤后交易,而后者在晚上6點(diǎn)30分結(jié)束交易。

重要的是要知道,在所有這些非傳統(tǒng)交易時(shí)段內(nèi),成交量更低,這意味著當(dāng)投資者試圖補(bǔ)倉(cāng)或清倉(cāng)時(shí),價(jià)格可能會(huì)出現(xiàn)更快、更劇烈的波動(dòng)。

前紐約證交所政策與運(yùn)營(yíng)委員會(huì)成員理查德·托倫扎諾在《財(cái)富》雜志最近發(fā)表的一篇評(píng)論文章中解釋稱:“今天的投資者進(jìn)行交易時(shí)不需要支付傭金,但他們實(shí)際上是以價(jià)差的形式支付了傭金?!?/p>

這些價(jià)差,即股票買賣價(jià)格之間的差額,通常會(huì)在延長(zhǎng)交易時(shí)間內(nèi)擴(kuò)大,而且可能會(huì)侵蝕利潤(rùn)。換言之,較低的流動(dòng)性意味著投資者等待在核心交易時(shí)段交易可能獲得更高的回報(bào)。

證券交易委員會(huì)為什么支持全天候交易?

美國(guó)證券交易委員會(huì),包括即將離任的主席加里·蓋斯勒,一致批準(zhǔn)了24 Exchange全天候交易業(yè)務(wù)的計(jì)劃。這表明他們認(rèn)同支持者的觀點(diǎn),即受監(jiān)管的隔夜交易可能會(huì)提高市場(chǎng)的透明度。

目前,投資機(jī)構(gòu)通常使用替代交易系統(tǒng)(ATS)在典型交易所之外尋找大宗交易的對(duì)手方。對(duì)沖基金尤其青睞所謂的“暗池”?!鞍党亍钡拇蠖鄶?shù)經(jīng)營(yíng)者是投資銀行,允許投資者在不公開(kāi)的情況下進(jìn)行大宗股票交易。

在宣布24 Exchange獲批的聲明中,證券交易委員會(huì)委員赫斯特·皮爾斯和卡羅琳·克倫肖表示,在透明的交易所進(jìn)行隔夜交易,而不是在“暗池”進(jìn)行交易,可以為美國(guó)和外國(guó)投資者提供更方便的交易。

他們表示:“這可能會(huì)吸引更多的參與者進(jìn)入我們的市場(chǎng)?!?/p>

然而在《財(cái)富》雜志的評(píng)論文章中,托倫扎諾表示,他對(duì)這種轉(zhuǎn)變持懷疑態(tài)度。他表示,蘋(píng)果、微軟(Microsoft)、亞馬遜(Amazon)、Meta、甲骨文(Oracle)、Visa和萬(wàn)事達(dá)卡(Mastercard)、摩根大通(JPMorgan)和??松梨冢‥xxon)等股票已經(jīng)通過(guò)在東京、倫敦等地的雙重上市,在美國(guó)市場(chǎng)時(shí)間之外進(jìn)行交易。

他寫(xiě)道:“在缺少這種支配地位或者無(wú)法確定的吸引力的情況下,吸引外國(guó)投資者在非交易時(shí)段參與美股交易似乎極具挑戰(zhàn)性,尤其是當(dāng)美國(guó)市場(chǎng)關(guān)閉時(shí),外國(guó)投資者可以在本國(guó)市場(chǎng)交易,并且受到本地監(jiān)管的保護(hù)。”

然而,對(duì)于美國(guó)散戶投資者來(lái)說(shuō),隔夜交易可能代表著一個(gè)有意義的轉(zhuǎn)變。從2025年下半年開(kāi)始,24 Exchange計(jì)劃在美國(guó)工作日從凌晨4點(diǎn)到晚上7點(diǎn)運(yùn)營(yíng)。然后,它的目標(biāo)是擴(kuò)展到工作日23小時(shí)交易,從周日晚8點(diǎn)持續(xù)到周五晚7點(diǎn)。(財(cái)富中文網(wǎng))

譯者:劉進(jìn)龍

審校:汪皓

Ringing the opening and closing bell on the New York Stock Exchange or Nasdaq is a time-honored tradition—and a major honor for companies and executives who get to participate in the ceremony. The ritual, however, may be declining in significance as around-the-clock trading becomes the norm on Wall Street and throughout the world.

This fundamental shift hit a milestone late last month when the aptly named 24 Exchange became the first exchange operator to gain SEC approval for overnight trading. The company is now looking to raise $50 million, Axios reported, ahead of its planned launch next year.

The move comes as other popular brokerages like Robinhood already offer 24-hour trading—allowing retail investors to wade into a domain previously reserved for hedge funds and other major institutional players. In October, the NYSE announced it would file with the SEC to run 22-hour weekday sessions as markets adjust to a globalized and digital world.

Popular stocks like Tesla, Nvidia, and Apple can swing big in either direction before or after the bell, particularly off the back of earnings releases or other major news events like, say, presidential elections. In that sense, it’s obvious why many investors don’t want to be limited to buying and selling from 9:30 a.m. to 4 p.m.

After all, they can trade cryptocurrencies 24 hours a day, and the same is true for foreign exchange markets. Making moves outside normal trading hours, however, comes with increased risks that equity investors need to understand.

In fact, similar drawbacks apply to extended trading hours currently offered by the major U.S. stock exchanges, which investors can participate in through many retail brokerages. The NYSE and Nasdaq both have premarket sessions from 4 a.m. to 9:30 a.m. The former is open for after-hours trading from 4 p.m. to 8 p.m., while the latter closes shop at 6:30 p.m.

For all of these nontraditional trading periods, it’s important to know that trading volumes are much lower during these sessions, meaning prices can swing more quickly and dramatically as investors try to expand or exit their positions.

“Investors trade with no commissions today—but they effectively pay commissions in the form of a spread,” Richard Torrenzano, a former member of the NYSE’s policy and operations committees, explained in a recent Fortune opinion piece.

Those spreads, or the gap between buying and selling prices for a stock, often widen in extended trading and can eat into profits. In other words, lower liquidity means investors are often better off when they wait for the core trading session.

Why is the SEC a fan of 24/7 trading?

The Securities and Exchange Commission, including outgoing chair Gary Gensler, unanimously gave 24 Exchange the green light to move forward with around-the-clock trading operations. This suggests they share the view of proponents, who say regulated overnight trading could potentially make markets more transparent.

Currently, institutions often use an alternative trading system, or ATS, to find counterparties for big transactions outside typical exchanges. Hedge funds, especially, favor so-called dark pools, which are mostly run by investment banks and allow investors to trade large blocks of shares away from public view.

In a statement announcing 24 Exchange’s approval, SEC commissioners Hester Peirce and Caroline Crenshaw claimed overnight sessions on a lit exchange, effectively the opposite of a dark pool, could make trading more convenient for both U.S. and foreign investors.

“It potentially will draw more participants into our markets,” they wrote.

In his Fortune opinion piece, however, Torrenzano said he doubts there will be such a shift. Stocks such as Apple, Microsoft, Amazon, Meta, Oracle, Visa and Mastercard, JPMorgan, and Exxon, he said, already trade outside U.S. market hours through dual listings on exchanges in Tokyo, London, and elsewhere.

“In the absence of this commanding presence or a yet unidentified magnetic force, enticing non-U.S. investors to engage in U.S. stock trading during off-market hours appears exceedingly challenging,” he wrote, “particularly when they can trade in their home market, protected by local oversight, when U.S. markets are closed.”

For American retail investors, however, overnight trading likely represents a meaningful shift. Starting in the second half of 2025, 24 Exchange plans to operate from 4 a.m to 7 p.m on U.S. business days. It then aims to expand to 23-hour weekday trading, which will run from 8 p.m. on Sundays through 7 p.m. on Fridays.

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