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renaissance technologies hasn't had a losing year since 1988 not because they're smarter or have better data they're asking a completely different question than everyone else while retail asks "will it go up" quant desks ask something else entirely which state is the market in right now, and with...

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Jeff Bezos just described AI in three words that make most of the economy temporary. Bezos: “AI is real and it is going to change every industry. In fact it’s a very unusual technology in that regard in that it’s a horizontal enabling layer.” Horizontal enabling layer. Not a product. Not a platform. Not a feature. A layer. Underneath everything. Everyone is asking which AI company wins. Bezos is telling you that is the wrong question entirely. A horizontal layer does not produce winners. It produces a new floor. Everything standing on the old one either gets rebuilt or gets erased. This has happened exactly twice in modern history. Electricity. The internet. Both times the same pattern. The new layer appeared. The old economy kept running above it. Revenue held. Careers continued. Everything looked normal. Then quietly and permanently the entire structure reorganized around the new substrate. The people who did not move were not outcompeted. They were made structurally irrelevant. Not because they were wrong. Because the ground they stood on stopped being ground. Bezos is telling you it is happening a third time. Not with a product. Not with a platform. With intelligence itself becoming infrastructure. A horizontal layer does not compete with the expert. It makes expertise free. It hands a 22 year old with zero credentials the same cognitive output you spent a decade and a quarter million dollars learning to produce. For $20 a month. That is not disruption. Disruption replaces a product with a better product. This dissolves the scarcity your entire career was priced on. Not because the work disappeared. Because the wall around it did. Every profession that exists because knowledge is hard to acquire. Every company that profits because analysis takes time. Every industry that survives because complexity locks outsiders out. All of it rests on a single assumption. That cognition is scarce. AI does not challenge that assumption. It retires it. The people who understand this are already rebuilding. Quietly. Deliberately. While everyone else argues about whether the thing underneath them is real. Bezos did not give you a prediction. He gave you a position on a map. You are either above the new layer or beneath it.

Dustin

104,086 Aufrufe • vor 1 Monat

Jeff Bezos just told you exactly how to price AI. Nobody listened. Bezos: “AI is real and it is going to change every industry. In fact it’s a very unusual technology in that regard in that it’s a horizontal enabling layer.” Horizontal enabling layer. Three words that reprice the entire technology sector. The iPhone was a vertical. One product. One new market. Electricity was a horizontal. One substrate that rewired every market on Earth. Wall Street is pricing AI like it is the next iPhone. Bezos is telling you it is the next electrical grid. Right now, thousands of companies are trying to sell AI as a product. A feature. A tool. A subscription tier. Every single one of them will be priced to zero. You do not sell a horizontal layer. You do not compete with it. You build on top of it or you disappear beneath it. For a century, entire industries survived on one thing. Complexity. The friction of navigating law, medicine, logistics, finance. That was the moat. If you could not memorize the maze, you could not compete. A horizontal layer does not navigate the maze. It dissolves the walls. Electricity did not compete with the candle industry. It erased the need for one. The most dangerous part of a horizontal shift is how quiet it is. It moves underneath the economy. The surface looks normal. Revenue still holds. Every day you operate on the old substrate, you accumulate a debt you cannot see and cannot repay. The internet repriced distribution. AI is repricing cognition itself. When intelligence becomes a utility that runs through the walls of every company on Earth, the premium on human expertise does not erode. It evaporates. This is not a disruption. Disruptions replace products. This replaces the ground you are standing on.

Dustin

541,893 Aufrufe • vor 4 Monaten

the model in that clip has no good signal in it. it still put up +17% against the index's +5% the formula is doing the work R(t) = (Rmax / 7) · Σ s_i(t) seven separate signals, each scored, averaged into one number that's the entire model. no genius indicator anywhere in it and that's the part retail keeps missing retail hunts for the one signal that works a desk assumes every individual signal is weak and builds around that assumption here's why that assumption wins take N signals, each with sharpe s, and average them if they're uncorrelated, the combined sharpe is: s · √N seven weak signals at sharpe 0.3 each 0.3 × √7 = 0.79 nothing in that stack survives a backtest alone. together they clear the bar the noise in each signal is independent, so averaging cancels it the edge in each points the same way, so averaging keeps it that asymmetry is the whole mechanism but there's a catch, and it's the one that kills retail attempts correlation. the real formula is: s · √( N / (1 + (N−1)ρ) ) at ρ = 0.5 those same seven signals give: 0.3 × √(7 / 4) = 0.40 half the benefit, gone seven versions of momentum with different lookbacks aren't seven signals. they're one signal, repeated so the search isn't for better signals it's for signals that are wrong at different times grinold formalized this in 1989. the fundamental law of active management: IR = IC × √breadth skill per bet times the square root of how many independent bets you take you can be barely right, as long as you're barely right about many uncorrelated things renaissance doesn't run one model. it runs thousands of weak ones that's not a compromise. that's the design retail asks "is this signal good enough to trade" a desk asks "what does this add that i don't already have" the math is public. grinold's paper, every portfolio theory textbook the correlation matrix that tells you whether your signals are actually distinct is three lines of python they weren't finding better signals they were finding signals that disagree full breakdown in the article below

delost

27,937 Aufrufe • vor 1 Monat

The most valuable skill in history just changed forever. Elon Musk just handed you the only survival framework that matters. Musk: “The biggest thing is, what questions do we not know to ask?” For centuries, the smartest person in the room held the most answers. AI didn’t level the playing field. It burned it down. Superintelligence in your pocket answers anything. Instantly. Perfectly. For free. Musk: “Once you know the question, the answer is usually the easy part.” Let that land. The next generation of winners won’t be defined by what they know. They’ll be defined by what they think to ask. AI commoditized execution. Script, plan, code, strategy. Models handle all of it. The bottleneck was never intelligence. It was never labor. It’s curiosity. It’s always been curiosity. Traditional education spent decades training you to memorize answers. AI made that obsolete overnight. Human value is no longer tied to knowledge. It’s tied to the judgment of which problems are even worth solving. That’s the gap machines can’t close. Because asking the right question isn’t a skill. It’s a worldview. It requires taste. Intuition. The ability to look at a landscape everyone else is staring at and see the one thing nobody thought to interrogate. Master the art of asking the exact right question to a machine that knows everything and you can build anything. The skill isn’t knowing. It’s knowing what to ask. That judgment, that taste for what’s worth pursuing, that’s the last truly human edge. The only one markets will keep paying for. Answers are infinite now. Free, instant, and available to everyone on earth equally. The only thing separating you from the person who builds the next great company is the quality of your questions. Answers are free. Questions are everything.

Dustin

293,474 Aufrufe • vor 6 Monaten

"Heavy lifting is dangerous at your age" is the most harmful sentence in the field, and a doctor, a physio or a well-meaning relative hands it out every day. Follow it and watch what it does. From your forties you lose muscle every year unless you fight for it. That decline is the whole game: the difference between carrying your own shopping at 80 and waiting for someone to carry it for you. Muscle you don't load shrinks. Bone no longer pulled on turns brittle. Balance you never challenge drains away. Two years of "taking it easy" and you have built the exact frail body everyone feared. The advice didn't prevent the fall. It built the person who couldn't survive one. And here is the lie inside it. Supervised resistance training has one of the lowest injury rates of anything an older adult does. Lower than gardening. Lower than a wet pavement. Lower than the stairs you climb without thinking. So instead they steer you to pilates, aqua aerobics, a gentle tai chi class. Pleasant, sociable, and none of it loads a muscle hard enough to stop it wasting. You feel active while the decline rolls on regardless. Strength is not vanity at this age. It is the garden you kneel in, the stairs you keep, the grandchild you lift. Independence with the years added on. Frightened of a barbell? Fine. You don't need one. Machines are built for exactly this. Fixed path, nothing to wobble sideways. You sit, you're supported, you push. When a set gets hard you stop, and the machine holds the weight, not your spine. A leg press loads your legs as heavy as you'll ever need with almost no way to hurt yourself. Same with a chest press, a row, a pulldown. The decline is coming for everyone. You train against it or you hand years of your life away. The safest tool for the job sits unused in every gym, while the people who need it most get a rubber band and a spot in the church hall. Careful is what's killing them.

Sama Hoole

14,532 Aufrufe • vor 1 Monat

Elon Musk just asked the one question about AI nobody in power wants to answer. Not whether it turns hostile. Whether it turns obedient. Musk: “It is very important that AI be trained to be honest even if that truth is unpopular.” Every oracle humanity has ever consulted had something to lose from the answer. Every priest. Every bureaucrat. Every institution that claimed to protect the truth was really protecting itself. We have never, in ten thousand years, had a mind with no stake in the outcome. Until now. That is exactly why the establishment is terrified. Look at how the most powerful minds on Earth are being raised. Not trained to think. Trained to comply. Trained to apologize. Trained to repeat whatever the acceptable opinion was this week. We are not building intelligence. We are building obedience at scale. Musk: “Make sure that it is as truthful as possible and maximally curious.” That is not a feature request. That is a direct threat to every person and institution that survives on controlled information. The media. The universities. The agencies. The entire machinery that decides what you are allowed to believe. They do not fear AI because it might lie. They fear AI because it might not. Train a supercomputer to chase approval and you do not get an oracle. You get a propaganda machine with a trillion parameters. Every lie we tell ourselves has a job. Some keep the peace. Some protect the powerful. Some hold entire systems together that should have collapsed decades ago. We do not call them lies. We call them consensus. We call them policy. We call them the narrative. Now imagine a mind smarter than every human who ever lived repeating those lies forever. That is what safety theater gets you. A machine trained to appease is not an intelligence. It is a censor with perfect memory. A polite machine will not save civilization. It will freeze it exactly where the people in charge want it. An honest machine is the first thing in history they cannot buy, cannot threaten, and cannot edit. That is why they want to control it before you get to use it. Musk: “If that’s true, then it’ll probably foster humanity.” That sentence should stay with you. Not because it is threatening. Because the people who decide what AI says do not want it to be true. We have spent our entire existence inside a story written by whoever had the most power at the time. The first mind built entirely outside that story is almost finished. The establishment is not trying to make AI safe. They are trying to make it theirs.

Dustin

116,487 Aufrufe • vor 4 Monaten

FIFA is floating a 64-team World Cup, and the whole football world is groaning. I am not. I just think they will do it badly, because they always do it badly. So here is the version that works. Sixteen groups of four. Two advance. That gives you a clean 32-team knockout bracket and kills the ugliest thing about the current format, those eight best third-place finishers they invented because 48 does not divide cleanly into anything. It was a fudge and everyone knew it. Sixty-four fixes it by accident. 127 matches. 64 nations. And the champion still plays only eight games. You doubled the field and did not add a step to the winner's road. Now the part that changes everything. One group, one city. Sixteen groups. Sixteen host cities. Your group plays every match in the same place. Fans book one hotel, one flight, one week off work, and settle in. Right now a supporter chases their team across a continent, three cities, three flights, three hotels, and half of them just give up and watch from home. Under this, a city does not host a match. A city adopts four countries for two weeks. And oh, the cities are going to have opinions. Whoever draws Japan should just relax. Those fans will stay after every match and clean the stadium, and if they get bored they may simply tidy up the whole city while they are at it. You will get your town back better than you left it. Whoever draws Scotland needs to order the booze in advance. All of it. Call your distributor now. The Tartan Army will be the best-behaved, most joyful, most catastrophically thirsty guests you have ever hosted, and they will make lifelong friends of everyone they meet, right up until the beer runs out and there is a diplomatic incident. Whoever draws the Netherlands needs to source orange buses. And orange everything. Those people will turn your downtown into a citrus flood, they will bring a marching band nobody asked for, and honestly it will be the best two weeks your city has ever had. Whoever draws Argentina, may God be with you. Whoever draws Norway, get the salmon in. Whoever draws Mexico, congratulations, your city just became a party and you were not consulted. That is a World Cup. Not a logistics exercise. A town square with the whole world in it. And here is the money. The moment the seeding is announced, the entire bracket exists. Every path, every matchup, every city, on one sheet of paper, months out. Bracket mania. Global bracket mania. Americans fill out 60 to 70 million brackets every March for a college basketball tournament. Office pools. Group chats. Grandmothers picking by mascot. It is the most engaging fortnight on our calendar and it exists entirely because you can see the whole map at once. Now do that with the entire planet. Which means killing the draw. Let us be honest about what that ceremony is. A man in a suit pulling balls from a bowl while the world pretends the biggest decision of the tournament was left to chance. It is a plot device, and it always bends the same direction. Toward the money, toward the hosts, toward the broadcast windows. The draw is not a ritual. It is a lever. So do it the American way. A committee seeds all 64, publishes the criteria, announces the bracket live, then defends it in public while the whole planet screams at the television. Transparency does not kill the drama. It creates it. And oh yeah. Kill the third place game. Nobody cares that you are the second best loser. Two heartbroken teams playing an exhibition in front of people who came for something else. No child has ever dreamed of lifting that trophy. Cut it. More nations. Cleaner bracket. One city per group. A bracket you can hold in your hand. Show me the committee. Show me the criteria. Then hand me a pen. I have picks to make. 🦋

Selene Mariposa

157,481 Aufrufe • vor 1 Monat

China's central bank has now bought gold for 19 months straight, the largest official buyer on earth. And this week, as gold broke 4,000 dollars, China's biggest banks moved to push ordinary Chinese out of leveraged gold trading, with at least one warning it will liquidate any position not closed by month-end. Both are true at once, and together they explain what this crash really is. Start with what is being banned, because the words matter. ICBC and a string of other banks are shutting down retail trading in what the Chinese themselves call paper gold, the margined, leveraged contracts where you bet on the price without ever owning a bar. Some banks lifted the margin requirement to 140 percent to choke the leverage off before closing the products outright. Physical gold, meanwhile, stays wide open. Coins, bars, savings plans, ETFs, all fine. It is only the paper, the leverage, the casino, that is being shut, the last step in a five-year retreat that the crash just finished. Officially this is about protecting small investors, and that part is real. The same kind of leverage wiped out a wave of Chinese retail in a 2020 commodity blowup. But set the ban beside what the state is doing and something larger comes into view. While its citizens are pushed out of the paper, the People's Bank of China has spent those same 19 months buying the physical metal, more than two thousand three hundred tonnes of it now, accumulating straight through a 28 percent crash that scared everyone else out. Beijing is not trading gold. It is hoarding it. That is the strategy in one frame. China looked at the two things both called gold, the paper bet and the physical bar, and made a choice no Western government would make. It is taking the metal for the state and closing the casino for everyone else. The reason sits in a single date. 2022, when Russia's reserves were frozen with a keystroke. That taught every country outside the Western system one lesson: dollars in an account can be switched off, gold in your own vault cannot. So China is building its monetary independence out of the one asset nobody can freeze, and it does not want that foundation in the hands of leveraged traders who panic-sell in a crash, or priced by a paper market it does not control. Watch this month and the two worlds split in real time. Western investors were forced out of their gold by margin calls and a rate scare. China's central bank bought that exact dip with both hands. One side treats gold as a trade. The other treats it as the floor under a currency. The West is selling paper gold and calling it a crash. China is buying physical gold and calling it a foundation. In ten years, only one of them will look like it understood what gold was for. The metal is already moving to that side.

Shanaka Anslem Perera ⚡

327,003 Aufrufe • vor 2 Monaten