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a risk analyst at two sigma told me something over drinks i still think about "our models are right 54% of the time. retail models can be right 60% and still blow up" i asked him why "you trade every day. we don't" two sigma sits completely flat roughly...

120,252 views • 1 month ago •via X (Twitter)

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a researcher at a systematic fund showed me a 6x6 matrix on a whiteboard said: > this is our whole system. we don't forecast price. we classify which cell the market occupies and where that cell historically transitions i stared at it for days before it made sense. then everything changed never interpreted a chart the same way again the matrix is called a Markov Chain transition table. the theory dates back to 1913, it's in every introductory statistics textbook ever written and systematic funds rely on it because it poses a fundamentally different question than what retail traders ever think to ask retail: is this going higher or lower systematic: what regime is this market in, and where does this regime historically resolve every market sits in one of roughly 4-6 regimes at any point in time narrow consolidation, expanding volatility, trending with acceleration, post-reversal drift, pre-expansion squeeze not arbitrary categories - clusters you extract from real data using volatility, volume, and trend strength layered together once you define the regimes, you construct the table: P(regime 3 → regime 5) = 71% P(regime 1 → regime 3) = 64% P(regime 2 → regime 4) = 69% each cell is a historical frequency. now when the market sits in regime 3, you're not speculating you're trading on 71% historical resolution. you scale it with Kelly. you execute when the math confirms, not when it feels convincing i constructed this on ETH using 3 years of 1-hour data. isolated 6 regimes one i named "volatility squeeze below 15-day average for 8+ consecutive bars" transitioned to a directional breakout exceeding 2.2 ATR in 74% of cases average reward/risk on those setups: 4.8 that's not forecasting. that's reading a probability matrix the market populates for you every single session the part that should concern you: the data to construct this is free. the methodology is in any quantitative finance textbook python to build it is maybe 180 lines what Citadel has that you don't isn't classified data or secret algorithms it's this methodology applied to tick-level data with more granular regime definitions you're not lacking information you're framing the wrong question every single time you open a chart

Hrundel75 🐷

12,088 views • 23 days ago

a quant at a prop firm showed me a 5x5 grid on a napkin said: > this is our entire edge. we don't predict price. we predict which box the market is in and where that box historically leads i didn't understand it for weeks. then it clicked never looked at a chart the same way since grid is called a Markov Chain transition matrix. the math is from 1906, it's in every probability textbook on earth and hedge funds use it because it asks a completely different question than retail traders ever ask retail: will this go up or down quant: what state is this market in, and where does this state typically go every market lives in one of maybe 5-6 states at any given moment tight range, volatility compression, trending with momentum, post-spike reversal, pre-breakout coil not random labels - clusters you identify from actual data using volatility, volume, and momentum readings stacked together once you have the states, you build the matrix: P(state 2 -> state 4) = 73% P(state 4 -> state 1) = 61% P(state 1 -> state 3) = 68% each cell is a historical probability. now when the market is in state 2, you're not guessing you're betting on 73% historical completion. you size it with Kelly. you take the trade when the math says to, not when it feels right i built this on BTC using 2 years of 4-hour data. identified 5 states one i labeled "volatility compression below 20-day mean for 6+ consecutive candles" transitioned to a directional move above 1.8 ATR in 71% of cases average reward/risk on those trades: 5.4 that's not prediction. that's reading a probability table the market keeps filling in for you every single day the part that should bother you: the data to build this is free. the framework is in any quant textbook python to implement it is maybe 200 lines what Renaissance Technologies has that you don't isn't secret data or proprietary signals it's this framework applied to higher-resolution data with more sophisticated state definitions you're not missing information you're asking the wrong question every single time you open a chart

Livsun

188,258 views • 2 months ago

citadel doesn't analyze 500 stocks they compress them to 5 hidden forces - then trade the forces most people saw the math behind this in a stats class and scrolled past it. nobody told them it was worth $30 billion a year technique is called PCA - principal component analysis Karl Pearson published it in 1901 in a free journal. it's in every stats textbook on earth here's what it does: you feed it 10 years of daily returns across 500 stocks it ignores earnings reports, management teams, every narrative retail obsesses over it finds underlying forces moving groups of stocks together without anyone naming them what comes out: > component 1 - broad market direction (~45% of all movement) > 2 - growth vs value tilt (~12%) > 3 - sector rotation (~8%) > 4 - volatility regime (~5%) > 5 - liquidity premium (~3%) five numbers explain 73% of everything moving in markets a quant desk doesn't ask "will NVDA go up tomorrow" it asks: which regime are we in, and where does this regime historically lead portfolio built around forces, not tickers if component 3 signals sector rotation at a historical inflection, they rotate without reading a single 10-K Two Sigma runs this across equities, bonds, commodities and currencies simultaneously Save this before someone turns it into a $2,000 data to build this is free - Ken French's factor library, CRSP, any linear algebra textbook 150 lines of python is the whole engine what Renaissance has isn't secret data or better intel

Livsun

21,476 views • 1 month ago

A warning to Americans about living under Sharia Law from a woman who used to live in Iran - “In Iran, you can get arrested for walking a dog and then they can take your dog away because according to Islam, dogs are najis, which means unclean - In Iran, you will get arrested. Not can, will if you're a female solo singer, it is against the law - I Iran, not that you have to wear hijab, but if your hijab is not to the liking of the regime forces, they can push you forcefully into a van and take you to jail. And then things that happen in those jails, let's just say that they're not ethical - In Iran, you are not allowed to change your religion or choose your religion. If you do so, you will be executed - In Iran, they would line us up as children force hijab on us and force us to chant Death to America. I wouldn't call that school. I would call that a cult that is trying to brainwash children into a terrorist mindset. - In Iran, there are stations with regime forces and they can stop your car and see if the person next to you is a girlfriend, a boyfriend, or you're married to. If you're married to them, you can get arrested in 5 years. Imagine that a Big Mac went from $6 to $600. That's exactly what happened in Iran. Well, roughly. I think it's even more than that. And everything. I'm telling you, it's not even the worst thing that's happening in Iran. Every time people request a regime change and they start to protest, the regime shuts off the internet and starts shooting people with military grade weapons, children. Regime forces in the past two to three weeks have killed more than 50,000 people. So yeah, if you have opinions about how Iranians should feel, perhaps you should go to Iran, live with the regime and maybe raise a child or two, and then we can speak about it.”

Wall Street Apes

503,860 views • 5 months ago

🚨JOHN BOLTON VS AFSHIN RATTANSI: REGIME CHANGE IN IRAN Bolton: ‘I don’t think the war is over because I don’t think we’ve done the necessary work to solve the problem in the way I think it has to be solved, which is through regime change…but it’s not clear to me at this point that Trump really knows what his objective is.’ Afshin Rattansi: ‘What do you mean, regime change? I mean, you’d back ground forces going in?’ Bolton: ‘I don’t think it’s necessary. I think if you look at Iran, with I think a sophisticated, well-educated population, this regime was in trouble long before the war started. For years its economy has been in desperate straits. That’s what the people were demonstrating about all over Iran in December and January.’ Afshin: ‘The economic situation isn’t necessarily demonstrating a demand for a complete change of regime.’ Bolton: ‘Not only is the economy bad, they’re running out of water. The irrigation policies of the government to develop what Ayatollah Khomeini wanted, which was complete agricultural autonomy, has devastated the groundwater. They’re even talking about having to move the capital out of Tehran. That’s how bad it is.’ Afshin: ‘Flint, Michigan had polluted water, that’s not a reason for changing the regime in the United States.’ —Watch the full interview with John Bolton, Donald Trump’s former National Security Adviser in the quoted post below👇 John Bolton

New Order with Afshin Rattansi

23,226 views • 3 months ago

Your trading strategy didn't break. The market it was built for quietly stopped existing. Read that twice. It's most of why 89% of retail finished 2025 in the red. There's now an app that does the entire job of a $400,000 quant. You type a trading idea in plain English. It writes the code, backtests 5 years in 12 seconds, runs thousands of simulations, and tells you cold whether your edge is dead or the regime just changed. No code. No Python. No $25,000 terminal. 20,000 already inside. Waitlist stops at 25,000: That distinction is the whole game, and you never had a way to see it. Every strategy is a bet that one thing stays true. Momentum bets trends continue. Mean reversion bets ranges hold. When the regime flips, the assumption dies and your strategy bleeds with nothing wrong in the code. You stare at the logic for a month and never find the bug, because there isn't one. So you delete it, or refit it to the last drawdown and build something that would have survived the pain you already felt and nothing coming next. The desks never had that problem. 92% of institutional volume is automated. Only 45% of retail is. They test 100 strategies for every 1 you test by hand, and kill 97 of them on purpose, because they can tell a dead edge from a normal drawdown. Now that exact loop costs $0. One hypothesis used to cost a fund $87,500 to test. With Horizon you get unlimited, in seconds, and a winner deploys live in 90 seconds and runs without your hands on it.

cvxv666

40,749 views • 1 month ago

whoever leak this have titanium balls at 4am, while you sleep, a quant fund has re-weighted 300 signals, identified names to fade at open, and priced in exactly what you're about to do next number buried in here: they model retail order flow 40 minutes before the bell with 73% directional accuracy - not from secret data, from public futures positioning that's not prediction. that's your loss, booked before you wake up here's what the article unpacks about how the 4am pipeline actually runs - and where your money goes: - factor signals get re-ranked nightly on vol-adjusted returns from the prior session and overnight futures - by 9:30 every quant desk has a fresh edge score while you're reading yesterday's close - "gap up, buy the open" isn't alpha: it's one of most modeled retail behaviors in existence, and quant desk has been long since 2am and is selling into your confidence at 9:31 - they don't read same earnings release you do at 8am - automated parsers ran it 5 hours earlier, positions were set, name is already priced before it hits your news feed - order flow imbalance from asian markets predicts US open direction - quant desks weight it explicitly, most retail traders have never heard of it, and both groups see same public exchange data - vol regime they set at 4am changes position sizing by 3x - high-volatility environment means they hold a third the size and harvest from tighter edges; you're just guessing at size - news sentiment parsers score every overnight headline on a factor model trained on how similar stories moved same names in the past - by the time CNBC covers it, they've already positioned - they don't ask "which way?" at open. they ask "which way will retail push this, and where does it exhaust?" - that question alone is worth more than any indicator you run catch: not one input above is proprietary - futures prices are free, exchange data is public, and the academic papers on retail order flow sat on government websites since 2003 they read it, built on top of it, and you were never told where to look every time you log in at 9:29 feeling sharp, that session started 5 hours ago without you read what 4am actually looks like ↓

Livsun

12,857 views • 8 days ago