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Sleep regularity is a stronger predictor of mortality risk than sleep duration (2023)

https://academic.oup.com/sleep/article/47/1/zsad253/7280269
303•bilsbie•2h ago•139 comments

Mysteries of Telegram Data Centers

https://dev.moe/en/3025
47•theanonymousone•1h ago•8 comments

The Three-Second Theft: Why AI Voice Fraud Outruns Every Defence

https://smarterarticles.co.uk/the-three-second-theft-why-ai-voice-fraud-outruns-every-defence
57•dxs•1h ago•47 comments

Prioritize mental health, and why communication is so important

https://ramones.dev/posts/mental-health/
92•ramon156•3h ago•61 comments

Jurassic Park computers in excruciating detail

https://fabiensanglard.net/jurrasic_park_computers/index.html
693•vinhnx•11h ago•170 comments

SpaceX bond worth 10% less than issue price – heading for junk bond status

https://www.ft.com/content/3a023b95-66c3-41e1-b0ce-df752a499541
183•youngtaff•1h ago•89 comments

Briar Is in Maintenance Mode

https://briarproject.org/news/2026-maintenance-mode/
48•ristello•2h ago•11 comments

Towards a Harness That Can Do Anything

https://eardatasci.github.io/c/ambiance/index.html
12•evakhoury•32m ago•1 comments

Weathergotchi – an open-source climate Tamagotchi

https://github.com/Michael-Manning/E-Paper-Climate-Logger
54•luanmuniz•3h ago•14 comments

The well-calibrated Bayesian [pdf]

https://fitelson.org/seminar/dawid.pdf
7•Murfalo•29m ago•2 comments

Jiga (YC W21) is hiring the best people to make manufacturing great again

https://jiga.io/about-us/
1•grmmph•2h ago

A Trip to 90s Kansai: Exploring the XD FirstClass Network BBS

https://cdrom.ca/games/2026/05/30/xd.html
40•zetamax•1d ago•2 comments

Germany maybe found a new source of renewable energy

https://www.schweizerbart.de/papers/zdgg/detail/prepub/108503/Geological_and_geophysical_characte...
24•janandonly•2h ago•14 comments

Show HN: Grepathy – Claude made a decision nobody approved

https://github.com/evansjp/grepathy
11•evansjp•1h ago•14 comments

Bootstrapping GDC with DMD

https://briancallahan.net/blog/20260713.html
10•LorenDB•1d ago•0 comments

What Every Python Developer Should Know About the CPython ABI

https://labs.quansight.org/blog/python-abi-abi3t
5•matt_d•3d ago•0 comments

What's the most popular number in Hacker News titles?

https://blog.omgmog.net/post/most-popular-numbers-in-hn-post-titles/
11•omgmog•1h ago•7 comments

Vancouver PD website features Quick Escape button that wipes itself from history

https://vpd.ca/
322•LookAtThatBacon•14h ago•128 comments

Telegram Serverless

https://core.telegram.org/bots/serverless
77•soheilpro•4h ago•45 comments

TS-2026-009: Insecure argument handling in Tailscale SSH permitted root access

https://tailscale.com/security-bulletins
191•jervant•13h ago•117 comments

Pong Wars on the Commodore 64

https://imrannazar.com/articles/c64-pongwars
5•Two9A•59m ago•1 comments

DSLs Enable Reliable Use of LLMs

https://martinfowler.com/articles/llm-and-dsls.html
82•SirOibaf•4h ago•49 comments

Show HN: I built a smart proxy so your coding agent can run loose

https://trollbridge.dev/
9•dandriscoll•23h ago•5 comments

What `for x in y` hides from you – From Scratch Code

https://fromscratchcode.com/blog/what-for-x-in-y-hides-from-you/
12•rbanffy•1h ago•13 comments

Latent Space as a New Medium

https://kevinkelly.substack.com/p/latent-space-as-a-new-medium
26•thm•1d ago•4 comments

Using Go for Mobile Apps

https://www.davidsobsessions.com/p/one-year-of-gomobile/
18•theHocineSaad•5h ago•8 comments

Who's running all those tiny RPKI servers?

https://blog.apnic.net/2026/07/15/whos-running-all-those-tiny-rpki-servers/
60•enz•8h ago•11 comments

Combinatorial Games in Lean

https://github.com/vihdzp/combinatorial-games
31•wertyk•3d ago•3 comments

I tricked Claude into leaking your deepest, darkest secrets

https://www.ayush.digital/blog/the-memory-heist
487•macleginn•8h ago•230 comments

Microsoft has released software updates to plug at least 570 security holes

https://krebsonsecurity.com/2026/07/microsoft-patches-a-record-570-security-flaws/
173•robin_reala•17h ago•107 comments
Open in hackernews

SpaceX bond worth 10% less than issue price – heading for junk bond status

https://www.ft.com/content/3a023b95-66c3-41e1-b0ce-df752a499541
177•youngtaff•1h ago

Comments

binaryturtle•1h ago
Article needs registration.
nijave•1h ago
magnolia1234 bypass-paywalls-clean

https://archive.is/tnSeY

aftbit•38m ago
The fact that this works by exploiting AMP is delicious.
preetham_rangu•1h ago
Cheap capital masked a lot of risk. The current rate environment is exposing it.
rsynnott•1h ago
These are bonds that were issued a few weeks ago.
notahacker•1h ago
yeah, as the article said bond prices have fallen slightly over the time period but this is much more bond buyers seeing increased risk SpaceX isn't going to have the cashflow or ease of further equity raises to pay them back in the long run. (With it being bonds the upside of "but what if SpaceX actually does become bigger than the present US economy" is capped too)
londons_explore•40m ago
I don't see a future in which those bondholders don't get paid back.

The company has plenty of revenue, and if needed can just turn off the r&d tap and become a boring company. Terrible for the shareholders obviously, but the bond holders will be fine.

notahacker•21m ago
This assumes that SpaceX's decision maker decides to prioritise cuts to repay bondholders over R&D to see if they can innovate their way to bigger profits, which doesn't seem a sure bet (tbh I'd put SpaceX under its current management very low on the list of companies likely to do this)

I mean the bond yield is 6.65% over US Treasury returns of 4.75% so it's not like everyone's running in fear of their imminent collapse either. But they're less confident than they were when Elon company valuations looked immune to gravity.

amanaplanacanal•37m ago
My take is that the resumption of that war in Iran makes it more likely that interest rates will rise, and rising rates means falling bonds prices.
lenerdenator•1h ago
Good thing there's a strong corporate governance model at SpaceX where the c-suite is fully accountable to an independent board of directors, who could use their majority voting power to remove that c-suite at will.

Could you imagine the abuse of power that could happen if one person held over 50% of the voting power at such a company?

rtkwe•1h ago
Are super shares like Zuckerberg's and Musk a new thing? Genuinely curious if they're a recent invention or something that's quietly happened for a while because it seems like a large inversion of the deal of going public, lose some control of the company in exchange for a large amount of cash but these nonvoting/supervoting share splits seem to completely upend what I understood to be part of the deal for access to the stock market.
nolta•1h ago
https://en.wikipedia.org/wiki/Ivar_Kreuger#B-shares
lapcat•53m ago
> Kreuger's financial empire has been described by one biographer as a Ponzi scheme... Another biographer called Kreuger a "genius and swindler", and John Kenneth Galbraith wrote that he was the "Leonardo of larcenists".
skybrian•59m ago
No. Google has them too.
reactordev•1h ago
https://archive.is/tnSeY
swader999•57m ago
I'm impressed with the general public. I thought these guys would get away with their hype train. Nice surprise.
baggachipz•55m ago
Don't worry, they made plenty with the pump-and-dump.
maest•54m ago
A much larger percentage of bond traders are institutional, compared to equities, where retail is very active in some names.

So I wouldn't really give too many points to "the general public" for this one.

solumunus•35m ago
The thing that propelled Tesla to ridiculous heights was the massive shorting (and eventual covering). This should just drop and drop (I hope).
asim•49m ago
Quite honestly IPOs and the stock market in general is a Ponzi scheme. This is something I would never have said before. I am not a skeptic. I invested in the markets for years and made money on Amazon, Google, twilio, and so many others. But I also lost a lot of money buying near or after the IPO. The game is rigged. Those who put money in post IPO in the 12 months after are left holding the bag for years. It takes 10+ years to recover that. The people who invested pre IPO, the VCs, the bankers, etc. they are getting a good deal. In the case of VCs they are taking early risk. Not at the late stage. But earlier. In many cases it's been a long hold. Again 10+ years. But anyone coming in at the IPO you are buying at a peak when someone decided that's the perfect time to hype it. We're all catching a falling knife. Doesn't matter if the business fundamentals are sound. They become disconnected from realities of the market when it all gets tulip crazy.

These things have a way of working themselves out. But look at almost all IPOs and the next 12 months the stock is down 50+% so I'd rather wait. And honestly when I buy, it's to hold 10+ years, not make a quick buck and it's because I believe in the value. You can believe in SpaceX but also still believe the market and the dynamics of IPOs is almost criminal for retail investors.

It's almost as bad as crypto token sales tbh.

aftbit•40m ago
>Doesn't matter if the business fundamentals are sound.

The business fundamentals are rarely sound for modern IPOs, especially anything Elon adjacent. His companies are just as bad as crypto token sales in terms of their hype. Heck, some of the stock price appreciation of Tesla _was_ driven by their ownership of crypto for a year or two.

an0malous•39m ago
Stocks, especially without dividends and negligible voting rights, are basically baseball cards for companies.
mikestew•
trolleski•48m ago
Musk biggest mistake is that he wanted to start another bubble while the last bubble didn't pop yet. This is against the handbook of a Wall Street thief, bad, bad Elon.
DuckConference•34m ago
> has now widened from the initial +175bps to a whopping +231bps doing more than two-thirds of the work.

2.31% spread over treasuries is heading for junk bond status?

kQq9oHeAz6wLLS•20m ago
Hey, didn't you get the memo? We hate Elon now, and everything he touches.
lmohseni•14m ago
I mean, due to the DOGE defunding USAID he is responsible for like 700,000 deaths. [1][2] You like that guy?

1. https://www.cnn.com/2026/02/04/world/lancet-usaid-global-aid...

2. https://www.latintimes.com/researchers-estimate-usaid-cuts-h...

marcusverus•4m ago
If these figure represent actual deaths (big if), those people will have died because literally nobody on earth was willing to pay to keep them alive--yourself included.
tyre•18m ago
No, but the fact that they're the worst-performing BBB bonds, the company is burning cash, and the equity being down 38% since its peak after 1 month of trading is indicative of the market's…suspicions.

We'll see what ratings agencies think of the health of the company.

lucd•25m ago
The worst about the SpaceX IPO is Nasdaq changing their inclusion rules for the Nasdaq 100. The index fast-tracked SpaceX stock for inclusion 15 days after the IPO, instead of the normal three-month seasoning period. They also changed its 10% minimum float rule to a 3x weighting boost for low-float stockss. So many people will unwillingly and prematurely invest into SpaceX, before it has any chance to discover its real price. IE: The floating, 5% at launch, could attain 30% end august, if Nasdaq didn't change their rules it would have included SpaceX after this..

https://finance.yahoo.com/markets/stocks/articles/nasdaq-che...

richwater•24m ago
The Nasdaq is a shit index to begin with. There are so many other options.
tyre•22m ago
The NASDAQ is up 27% in the past 1 year. S&P 500 up 21%, DOW +20%.

So, it's doing pretty well!

mattkrause•17m ago
If the argument is that it's being manipulated, I'm not sure these stats help.
tyre•16m ago
That's fair! I didn't read the comment I was replying to as being about the manipulation but, if so, I agree with their opinion.
Sol-•22m ago
Isn't it realistically only worth talking about SpaceX stock a few years out? The random walk the stock will do after an IPO seems very uninformative.
exabrial•21m ago
I honestly don't understand the Elon obsession on HN. One thing is for sure, you'll never miss a piece of news.
postalrat•19m ago
Why is this only about Elon to some people? It's not only about Elon.
fnordsensei•9m ago
I have a friend who unironically said "Elon Musk is the most important human who has ever lived"
iririririr•4m ago
because the value (or lack of) on most companies he manages are tied to his personality cult. it's the main "product" of those stocks, not always what the company does. see the tsla rewards (hence investments), the board places more resources on musk doing his road show than factories, as proved by hard factual numbers.
danso•19m ago
How often do companies issue a $25B bond the same month that they IPO?
tcp_handshaker•21m ago
If only these people have been warned before.... </pretend_care>
somat•20m ago
A stupid/naive question. Why does this affect SpaceX? They have their money(The IPO) Any third party trading value does not change that. Sure there may be individuals, officers of SpaceX who hold these instruments who will be negatively affective, but the company itself?

My best guess, it makes it harder to get loans in the future.

panphora•13m ago
The losses fall on bondholders now, but it does make it harder for SpaceX to raise money going forward. And if they actually slip into junk territory, some institutional investors will be forced to sell (mandates only allow investment-grade), pushing prices down and yields/spreads up even further.

That can snowball: wider spreads → higher borrowing costs → more stress → wider spreads. The existing bonds' coupons are fixed, so the real bite is on future issuance and refinancing.

Lots of capital-intensive companies (SpaceX is definitely in this category) lean heavily on debt markets to fund ongoing investment and roll over maturing debt, so losing cheap access is a big deal.

aynyc•4m ago
This is about their bond, not that share price. If you are in the US, it's like having low credit score, everything you want to do financially such as leasing or financing a car, buying a house, etc.. will be more costly (higher interest rate) from the lender.
xutopia•17m ago
I can't comprehend for the life of me that people put their life savings in what Elon Musk is doing. Are people not seeing how he's lying about the future all the time?

He said he aimed to have 5000 Optimus robots out by end of 2025, 50000 by 2026 and 10 times that in 2027.

He promised in 2015 that full autonomous driving would arrive in 2 years and we aren't there yet 11 years later. He even said in 2016 that there would be coast-to-coast autonomous driving in 2017.

He promised manned missions to Mars by 2024-2025 in multiple interviews between 2011 and 2016.

He promised in 2016 that there would be solar roofs expansions by 2017 that didn't pan out, he promised AGI by 2025 in 2024.

Elon Musk has repeatedly lied about outcomes of his ventures, gotten crazy valuations based on those exaggerations and now people are starting to finally wake up that he isn't as good as his ego.

DustinBrett•13m ago
Every company you mentioned has made more progress in those spaces than anyone else, and they are all clear progress towards the goals discussed.
xutopia•3m ago
You're mistaken.

Name 3 accomplishments he made and I'll show you world class work done elsewhere by other companies. The only thing he did which was notable was Starlink and I'll gladly grant you that. China is about to eat Starlink's lunch with their own tech.

Again I think people overestimate Musk's contributions to the world.

crimsonspy•11m ago
He claimed that he would unearth billions of dollars of government fraud, only to lie about that too. Instead his team cut aid programs and have contributed to an estimated 700,000 deaths so far.

https://www.newyorker.com/news/the-new-yorker-interview/the-...

khurs•14m ago
The financial press failed to run headlines damning the SpaceX IPO, or all the ongoing false promises Elon makes.

And now they report that investors, many of whom are their customers, are suffering...

...

SpaceX issued $25bn of bonds, and have to pay an annual $1.46 billion per year in interest until 2031

Google issued $85bn in bonds and have to pay annual interest on all that. Some are cetenary and so 100 years of interest at 6% due.

...

So how much enshittification will they indulge in.

https://ir.spacex.com/updates/releases-details/2026/SpaceX-A...

https://www.reuters.com/business/alphabet-sells-bonds-worth-...

Havoc•4m ago
Which is all sorts of backwards. Debt has liquidation preference over equity. And equity market say spacex has trillion+ of supposed equity buffer before it cuts into debt value
Arainach•56m ago
That's absolutely still "recent" when discussing corporate governance.
rtkwe•55m ago
Google is also pretty new in the terms I was talking about only slightly older than Facebook. I mean going back to the 80s/90s or earlier, pre current FAANG at least.
georgeecollins•46m ago
Ford has them. What it has meant for Ford-- and will probably mean for Facebook-- is that Zuck's heirs will control the company, for better or for worse.

The common justification for this is that for a media company (NYT) you want a person or family to take responsibility for the editorial content, not a pure profit seeker. Facebook has it both ways and typically denies it has editorial control.

IMO, the flaw of markets is that they are short sighted. Sometimes this allows states to outmaneuver them with a longer view. Current exhibit A: China. Historically state intervention has been worse in the long run. But who knows. If we went into a depression a lot of people may think state intervention is a better system, as many admired the USSR during the Great Depression.

orionsbelt•32m ago
Zuckerberg’s high vote shares convert to regular shares after he leaves or dies. His heirs will not continue to have super votes.
rhplus•39m ago
Some media companies had them before the 1980s. New York Times issued dual class in 1969 so that the owning family maintained editorial control.

Berkshire Hathaway is possibly the most famous from the 80s/90s. The class A shares are significantly more expensive and proportionately even more powerful than the class B shares. The lower price version was important back when physical exchanges didn’t support fractional shares as they do today.

wbl•11m ago
Berkshires share classes are different in that A is exactly ten B shares and anyone can convert A to B and hold them. The dual share classes that are bad separate control from ownership.
anamax•28m ago
The New York Times Company operates under a dual-class stock structure where the Ochs-Sulzberger family holds roughly 95% of Class B shares. This family control allows them to elect 70% of the company's Board of Directors.

Copied from google's response to "new york times governance"

Google's AI also says that the NYT has had that structure since 1957.

Ford has something similar from the 1930s. (Dodge did too until it was bought.) Raylon (synthetic textiles) did it in the 1920s and the company behind Jack Daniels did it right after Prohibition.

Google says that the NYSE banned dual-class between 1926 and 1986; I don't know how to reconcile that with Ford.

dgritsko•43m ago
You dropped your "/s".
cryptoegorophy•18m ago
Is it abuse of power or company success? Wouldn’t shareholders vote out any crazy successful ideas Elon had? Likely bankrupting companies at their early stages?
tclancy•13m ago
No one ever votes out the guy running the ring toss at the carnival either. What if your man only plays rigged games so he can resist anyone looking at the books or having a voice?
dweekly•10m ago
Interestingly enough, strong corporate governance and independent directors do not produce better returns. This is a central point in Eric Rees's book Incorruptible.

https://leeds-faculty.colorado.edu/bhagat/bb-022300.pdf

32m ago
It’s been true for over twenty years that the majority of IPOs drop below their IPO price and stay there. Maybe your brokerage has some shares before IPO day that they’ll let you buy, but you’re still taking a big risk. Buy shares on the open market? Yeah, you’re the sucker they were looking for.
Maxatar•30m ago
This isn't backed by any evidence though. Jay Ritter maintains an extensive amount of data on IPOs here:

https://site.warrington.ufl.edu/ritter/ipo-data/

And his data shows that IPOs for the most part perform about as well as their respective market. That is large multi-billion dollar IPOs perform about as well as the broad market, and smaller IPOs (which constitute the vast majority of IPOs) perform about as well as other small-cap companies.

In other words, investing in IPOs doesn't give much of an advantage or disadvantage compared to investing in other similarly sized companies.

What's true is that most stocks, including IPOs, don't do well in the long run. The half-life of a publicly traded company is something like 10 years.

MikhailTal•23m ago
Also, the OP just does not understand how the market works anyway. Surely if it was obvious that investing in fresh IPOs is a bad move, all of the big boys (banks, hedge funds etc) would short them to the point of equalising anyway. Maybe not to the absolute efficient point, but still, why do people think they can see such a huge obvious trend, and also assume that other people cannot see it?
spking•28m ago
Warren Buffett famously said IPO stands for “It’s Probably Overpriced”.
martythemaniak•24m ago
There's been a massive change to public markets in the last decade and the retail path to making money seems to have closed. I made a some money on IPOs using a laughably simple heuristic:

"Is the company market cap low? Do they have a decent product? Is it plausible they'll 10x? Yes -> Buy some amount I can afford loosing"

For example, Tesla IPO'd at $5B cap, it was perfectly plausible to believe they'd be worth $50B some day. Shopify IPO'd at $1.3B, Square at $3B, 10x was perfectly believable. Uber IPO'd at $75B, I did not believe they'd be worth $750B any time soon, or ever. Do I believe SpaceX will be worth 20T in like 10 years? Lol. Fmao even.

Today's IPOs at $1T+ means that private money figured this out and cut the retail public out, IPOs seems to be a really terrible deal these days.

semiquaver•24m ago
What you’re saying is entirely vibes-based. The actual data utterly contradicts your claim (see sibling).
tclancy•6m ago
I don't think so. It's strident and it may be eliding some details, but the idea is IPO shares are available to institutional investors first and that adds a tax for retail investors that is probably not worth paying. A suspicious mind might go so far as thinking the institutional investors don't necessarily care about the underlying metrics at IPO up to a certain number of shares: they know that whatever X opens at, they can get 1.25X for the shares immediately after.
beaviskhan•15m ago
It's a lot closer to junk (approx 2.7%) than it is to investment grade (approx 0.8%):

https://www.macrotrends.net/3006/high-yield-spread

https://www.macrotrends.net/3042/us-corporate-bond-spread

hn_go_brrrrr•15m ago
I didn't read it about the manipulation either, but neither did I read it as a criticism of the returns.
tclancy•15m ago
Always a FTSE truther.
formvoltron•22m ago
nah the very worst thing about the spacex ipo is that schwab won't allow me to short it. has nothing to do with the recency of the issue. today i shorted some skhy when i realized it's trading about 30% over the Korean share price (I could be wrong about that)
tyre•17m ago
I'm not an investor in SpaceX but I don't think shorting stocks at IPO should be allowed. The market should be given time to settle on a price, and it's unlikely that anyone needs to short it on day 1 for hedging. It's purely price speculation.

Yeah, I know why people _want to_ (betting), but it doesn't serve a broader economic purpose.

toomuchtodo•16m ago
Why is line go up price discovery acceptable, but line go down price discovery not? If the shares are trading, you should be able to short, it’s arbitrary to disallow it. It is quite literally a part of the market settling on a price.

(under the assumption your broker is managing their risk if your losses from a short position potentially exceeds capital available for liquidation if the trade moves against you)

tclancy•16m ago
Betting is what everyone who jumped into retail investing and meme stocks does with it, but shorts are a valuable tool in the economy for hedging risk. It also is a good indicator for fraud too.
reactordev•13m ago
Going long or going short is your bet on the market. If you can go long, you should be allowed to go short. Restrictions on any trading means you don’t have confidence in the price in which case it shouldn’t be available for trade.
lordnacho•11m ago
To settle on a price, you need smart investors to be able to push it either way, which they need shorting and leverage for.

Plus there's option traders who naturally need to go short sometimes.

onlyrealcuzzo•16m ago
You can short it elsewhere.

Schwab won't let you, because even if you're 95% right, you'll still probably lose 95% of your money...

It's quite difficult to be 100% right...

fouc•18m ago
Nasdaq, FTSE Russell, and CRSP all implemented fast-track options. Fortunately S&P kept its 12-month requirement.
infecto•8m ago
Is this really the worst thing? People keep bringing this up but it’s the Nasdaq 100. It would be shocking if we were talking about the SP500.
baggachipz•2m ago
It almost was. S&P decided against it at the last minute, despite saying they would initially.
khurs•2m ago
Yes

Index and other funds are forced to buy as their contractual mandate is to follow the index or methodology set out by the fund.

ImJamal•7m ago
If AI is accurate, bonds are issued in the same month as the IPO 1-2% of the time. Some examples are HawkEye 360 (May 2026), Pinduoduo (2018) and VersaTel Telecom. I didn't double check this so I don't know about the veracity, but it seems like it happens on rare basis.
sethops1•11m ago
Normally I would agree, but SpaceX being forced into the Nasdaq at a 3x multiplier makes this a non-normal situation.
blanched•10m ago
From what I can tell, the sad truth is that people think “he’s a billionaire / trillionaire, I want to be involved with that.”

It’s a variant of the people who pick “Jay-Z” in the meme question “would you rather have half a million dollars or lunch with Jay-Z?”

etempleton•6m ago
Some people, many people, recognize him as a serial liar/exaggerator, but think he will make them rich too. Eventually that probably stops being true.