康宁的6.39亿美元信号:客户正为AI光纤热潮提前买单

康宁业绩超出预期并上调指引,10月27日股价依然走低,这已是连续第四个财报日下跌。真正关键的数字来自业绩电话会:客户预付款达6.39亿美元,透过它可以判断,400亿美元的计划究竟已有资金支撑,还是仅仅停留在承诺。

阅读原文

Vincent JiangVincent Jiang · 3 min read
Share
一名光纤技术人员在光纤配线柜前测试连接
1 / 6Slide 1 of 6
一名光纤技术员在配线柜前检测连接。点亮新光纤的施工队伍,呈现的是这场建设热潮的实体一面,而康宁的客户正在为它提前买单。

业绩超预期,股价却连续第四个财报日下跌

2026年10月27日,康宁+3.27% — 康宁, up 3.27 percent today(NYSE: GLW)交出了一份全面超出华尔街预期的成绩单:核心销售额(康宁经调整后的口径)同比增长19%,至50.8亿美元,高于50.3亿美元的市场一致预期;核心每股收益0.91美元,预期为0.88美元;四季度每股收益指引0.96至1.00美元,同样高于0.93美元的预期 12。即便如此,股价仍由盘前上涨3.2%转跌,盘中一度下挫4.7%,到午后早段跌幅约1% 23。此前三次财报均超预期,股价却在财报日分别下跌12.1%、8.9%和4.98% 4。

客户为扩产预付真金白银

各大通讯社的快讯都漏掉了这个数字:它出自首席财务官埃德·施莱辛格(Ed Schlesinger)在业绩电话会上的介绍——2026年前九个月,扣除已返还部分,客户预付款合计6.39亿美元 5。董事长兼首席执行官魏文德对CNBC表示,客户会预先支付现金、支持康宁扩充产能,康宁则在产品出货后,以利润流的形式把这笔钱返还给客户 6。

康宁当季签署了四项数十亿美元级的协议,对象包括运营商威瑞森−0.28% — 威瑞森, down 0.28 percent today和AT&T+0.26% — AT&T, up 0.26 percent today以及光纤运营商Zayo;最新一代高密度光纤产品供应紧张,康宁优先将货源分配给为扩产出资的客户 15。康宁实际上把最大的客户变成了自己的“建设贷款方”:这些预付款覆盖了公司前九个月13亿美元资本开支的近一半 5。

AI光纤建设热潮提速,康宁资本开支较2024年低点增长逾一倍

  • 营收
  • 资本开支
$0B$2B$4B$6B2024Q22024Q42025Q22025Q42026Q2$4.51B
Data
营收资本开支
2024Q1$2.98B$0.25B
2024Q2$3.25B$0.24B
2024Q3$3.39B$0.22B
2024Q4$3.5B$0.17B
2025Q1$3.45B$0.21B
2025Q2$3.86B$0.31B
2025Q3$4.1B$0.33B
2025Q4$4.22B$0.42B
2026Q1$4.14B$0.33B
2026Q2$4.51B$0.42B
康宁季度营收与资本开支(单位:十亿美元),数据来自康宁向美国证券交易委员会(SEC)提交的文件,时间跨度为2024年一季度至2026年二季度。2026年前九个月,康宁资本开支为13亿美元,其中近一半由客户预付款覆盖。9

单一业务为整个计划买单

这些预付款买来的,是一台增长引擎。光通信业务销售额同比增长44%,至23.8亿美元;分部净利润大增80%,至5.32亿美元;生成式AI产品销售额增长超过一倍,增速跑赢GPU出货量增长 12。其余业务则原地踏步:玻璃创新(Glass Innovations)业务收入下滑3%,内存价格拖累笔记本电脑和手持设备出货量减少约20%;光伏业务亏损700万美元,而管理层在第二季度业绩演示中曾表示,收入和盈利能力将会改善 135。

一台引擎:光通信增长44%,其余业务原地踏步

-10%0%10%20%30%40%50%光通信44%光伏37%汽车4%生命科学与新兴增长1%玻璃创新-3%
Data
Value
光通信44%
光伏37%
汽车4%
生命科学与新兴增长1%
玻璃创新-3%
2026年三季度各业务销售额同比增速,数据来自康宁2026年10月27日发布的第三季度业绩。1

看空逻辑:6月以来已被计入股价

《巴伦周刊》从同一份财报中读出的,是对AI需求的深度依赖 7。自6月29日收于创纪录的255.69美元以来,市场已在为这种依赖重新定价:截至10月25日,康宁股价较该收盘纪录跌去约一半;这轮跌势中,9月11日的一份备案文件让康宁获准发行至多20亿美元股票,此后股价下跌14% 8。即便经过这轮下跌,康宁股价仍对应30.8倍的预期市盈率 3。魏文德的辩护是:公司大部分收入来自资产负债表稳健的超大规模云厂商,而且“眼下我对‘新云’(neo clouds)的敞口非常小”6。

盯紧客户预付款这一行

这个信号是可以验证的。按第四季度业绩指引的中值计算,康宁的年化营收已达210亿美元,越过了“Springboard”计划(康宁的多年期增长计划)中2026年底的节点,正朝2030年400亿美元的目标迈进 15。如果客户预付款的增势延续到2027年,这轮建设热潮就是由客户真金白银出资,而非停留在口头承诺;一旦增势停滞,集中度风险便会坐实 15。接下来的观察节点:明年1月发布的第四季度业绩、12月1日的瑞银科技会议,以及纵向扩展(scale-up)网络——魏文德预计,自2028年起这类网络每块GPU需要160根光纤,相当于目前16根的十倍 15。

Get Data Center by email, free

Who is building AI's data centers, and who is paying for them. In our daily email, every weekday.

Loading T

Reader comments

0 comments

    More in Data Center

    All in this topic →

    Data Center

    Flex's AI power segment grows 75-85% and spins off as Axiom, with Vicor's ITC case still open

    A record quarter and a raised fiscal 2027 guide came with the first separate outlook for the AI power business, guided to grow 75-85 percent at roughly double the margin of the rest and spinning off as Axiom, while the Vicor patent case it inherits remains open at the US International Trade Commission.

    Data Center

    TE Connectivity posts record quarter and guides above consensus; its stock falls anyway

    TE Connectivity beat on revenue and earnings and told investors fiscal first-quarter sales would clear consensus by more than $200 million, then watched the stock open 6% lower while Amphenol, which grew five times as fast, jumped 5%.

    Data Center

    Fermi's $6.5 billion TensorWave lease must close by October 31, and the financing is still not raised

    Fermi's first tenant lease at Project Matador must close by October 31 or either party can walk away, and three days out there is no closing, no second extension and no announced guaranty. The stock sits near its lows, a $350 million convertible is in the market, and the phase-one financing that closing requires has not been raised.

    Data Center

    Super Micro's $5 Billion Order Rides on Debt to Unrated Clients

    Argentum AI, a Super Micro-backed neocloud, is seeking $5 billion of private credit to buy GPUs for a 300 MW Poland site, structured to finance chips leased to clients without investment-grade ratings. The market bid SMCI up 7.34%; the cash question moves to November 3.

    Data Center

    Alphabet bought back zero stock for two quarters; $200 billion of capex and Anthropic take the cash

    Alphabet reports Q3 after the close tonight with buybacks at zero for the first time since 2017. The cash that went to shareholders now funds data centers, debt and pre-IPO Anthropic equity, and cloud revenue has to grow fast enough to justify the switch.

    Data Center

    Commvault's resilience premium now rides on its SaaS conversion

    Commvault's Q2 FY27 beat this morning: subscription ARR of $1.1 billion, retention at 113% and a raised full-year guide. The filing's own tables show the price of that story: perpetual licenses down 40%, leaving SaaS to carry a stock trading near 108 times trailing earnings with no analyst-implied upside left.

    Get the newsletter

    The day's AI and market news, in your inbox every weekday.