Quant Finance, Explained – Détails, épisodes et analyse

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Quant Finance, Explained

algolearn.ai

Business & Entrepreneuriat

Éducation

Fréquence : 1 épisode/3j. Total Éps: 9

Learn quantitative finance top-down: the dynamics and vocabulary behind prices, options, hedging, volatility, and stochastic calculus, one idea per episode, built for drive time, with an AI model as your patient expert. Episodes follow a quant finance textbook's order. For educational purposes only; not financial advice.

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Données mises à jour le 23/10/2026

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The Greeks: How an Option Price Moves

Saison 1 · Épisode 9

vendredi 9 octobre 2026 • Durée 20:57

Course episode nine, Wilmott chapter eight. A price is useful for about one second; then the stock moves, a day passes, volatility shifts. The Greeks are the sensitivities that say how the price responds. The episode opens with the vocabulary of the value sheet: boundary conditions (state the edges first), marching backward from expiry, the diffusion picture in which a sharp payoff corner becomes a smooth curve, partial derivatives (a rate of change in one direction with the others held still), and the fact that the same equation prices a call, a put, or an early-exercise contract with only the edges changed. The slopes of that sheet are the Greeks. Inputs: stock price, strike, volatility, rate, time. Outputs: delta (the share count that hedges the option), gamma (how fast delta changes), theta (the clock), vega (volatility), rho (the interest rate). Run once on a three-month at-the-money call: about eight dollars, delta fifty-four hundredths, gamma two hundredths, theta about four cents a day, vega about twenty cents a point. The one inside idea: every Greek is a local slope, so Greeks change as the market moves, add across a book, and gamma and theta are locked with opposite signs. The takeaway: ask which Greek dominates the risk of a position right now. Ends with a prompt for your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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The trade that removes risk: Black-Scholes

Saison 1 · Épisode 8

jeudi 24 septembre 2026 • Durée 17:25

Course episode eight, Wilmott chapter six. Price an option that expires in months on a stock that moves continuously. Hold the option and sell delta shares against it; over the next instant the slope terms cancel exactly and what is left is deterministic, the option's time decay plus the curvature term from Ito's lemma. A riskless portfolio must earn the risk-free rate, and setting those equal is the Black-Scholes equation, stated in words. What fell out: the stock's expected return never appears, only its volatility, the continuous version of the binomial tree's lesson. From equation to price: the payoff at expiry anchors it, and for a plain call the answer is the Black-Scholes formula, read off the bell curve. One rule of thumb to carry: an at-the-money short-dated call is worth about four tenths of the stock price times volatility times the square root of time, so a three-month call on a hundred-dollar stock at forty percent volatility is about eight dollars. What the price means for a desk that hedges, and where the model bends. Vocabulary: hedge portfolio, delta, riskless over an instant, the risk-free rate, the Black-Scholes equation, boundary condition, the Black-Scholes formula. Ends with a prompt to take to your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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Mean reversion has a speed: Ornstein-Uhlenbeck

Saison 1 · Épisode 7

vendredi 18 septembre 2026 • Durée 17:24

Course episode seven, Wilmott chapter five, the first stochastic equation you read rather than derive. A spread keeps drifting away from some level and coming back. How fast, and is that a number? Algebra first: tomorrow's deviation is a fraction of today's plus noise; a fraction of nine tenths closes a gap of ten to nine, then eight point one, then seven point three, and halves it in between six and seven steps. A fraction of one is a random walk; above one the gap explodes. You measure the fraction by regressing today's deviation on yesterday's. Then the continuous version: theta is the speed, mu is the home, sigma is the shove, and the half-life is the natural log of two over theta, about seven days for a theta of a tenth per day. The honesty: short half-life with small noise is tradable, long half-life with large noise is not, and a half-life measured on one window is a hypothesis until it holds on another. Vocabulary: mean reversion, long-run mean, speed, half-life, spread, stationarity, autocorrelation. Ends with a prompt to take to your own model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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The calculus of randomness: Ito's lemma

Saison 1 · Épisode 6

vendredi 18 septembre 2026 • Durée 16:35

Course episode six, Wilmott chapter five, the first real calculus episode. You hold something whose value depends on a price that follows last episode's random walk. How does your value change when the price jiggles? The ordinary answer, slope times the price change, is wrong, and this episode shows why by hand: expand to second order; on a smooth path the squared change vanishes, on a random path it is proportional to the time step because a root-of-time change squared is the time step itself, so it survives. That surviving curvature term is Ito's lemma. Worked case: the logarithm of the price drifts at mu minus half sigma squared, so a stock with ten percent drift and forty percent volatility compounds at two percent. Why curvature is worth money, why volatility appears squared from here on, and where a desk that hedges a short option book lives. Vocabulary: slope, curvature, Taylor expansion, the chain rule, Brownian motion, Ito's lemma. Ends with a prompt to take to your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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Why prices can't be predicted, only described

Saison 1 · Épisode 5

vendredi 18 septembre 2026 • Durée 17:42

Course episode five, Wilmott chapter four. Last episode's tree had two prices per step; real prices take many small steps. What can we honestly say about where a price will be? This episode builds the answer by hand: a coin-flip walk whose typical distance grows with the square root of the number of steps, not the number of steps, because the flips partly cancel. Then markets: a daily volatility becomes an annual one by multiplying by about sixteen; drift grows with time itself, so noise dominates short horizons and drift can show over long ones. Why a point forecast is nearly worthless while a distribution is useful, and why three up days tell you little. Vocabulary: return, drift, volatility, random walk, independent increments, the bell curve, standard deviation, lognormal. The first calculus idea of the course: the square root of time, and why it breaks ordinary calculus on random paths. The equation on the show's cover, stated in words. Ends with a prompt to take to your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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Pricing without guessing: the binomial tree

Saison 1 · Épisode 4

jeudi 17 septembre 2026 • Durée 16:03

Course episode four, Wilmott chapter three. Price a call that expires in one step on a stock that can only go to one of two prices. The temptation is to weight the outcomes by how likely you think they are. Instead we build the hedge by hand with round numbers: own half a share against the call so the portfolio is worth the same in both states, and the price falls out with no probability of up or down used at all. Then the risk-neutral probability: the same price from pretending the stock earns the risk-free rate, and why that is bookkeeping that falls out of the hedge, not a belief. What a small positive rate changes. From one step to a tree, and why the limit is where the calculus begins next. Vocabulary: up and down state, the hedge, delta, riskless portfolio, risk-neutral probability, discounting. The last calculus-free episode. Ends with a prompt to take to your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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A bet you can take apart

Saison 1 · Épisode 3

jeudi 17 septembre 2026 • Durée 16:53

Course episode three, Wilmott chapter two. You open a position that looks complicated, an iron condor, and ask: what did I actually buy? This episode teaches the vocabulary (option, call, put, strike, expiry, premium, payoff versus profit, intrinsic value, in and out of the money, long and short, spread), then the dynamic: draw a call as a hockey stick, a short put as its mirror, stack them, and see the condor as two credit spreads whose payoff is just the sum of the pieces. The driving-time algebra is one line: the larger of zero and a difference. Then the first pricing law of the show, put-call parity, proved with the same arbitrage habit as last episode and checked in round numbers, and what it buys you: any one of call, put, stock, or cash can be built from the other three, so a mispriced piece is visible. No calculus yet. Ends with a prompt to take to your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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What a market price actually is

Saison 1 · Épisode 2

jeudi 17 septembre 2026 • Durée 17:37

Course episode two, Wilmott chapter one. You want to own something later at a price fixed today. What should that price be? Not what you think it will be worth. This episode builds the answer from scratch: the vocabulary (spot, forward, future, long, short, delivery, the risk-free rate, arbitrage), then the dynamic. The forward price is the spot price carried forward at the risk-free rate, because any other price hands someone a riskless profit. We walk that arbitrage in both directions in plain words, do the driving-time algebra with round numbers, and then say honestly what the clean rule leaves out: storage cost, income, and convenience yield. No calculus yet, on purpose. Ends with one prompt to take to your own AI model. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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A new way to learn math

Saison 1 · Épisode 1

jeudi 17 septembre 2026 • Durée 05:28

A five-minute declaration. How math is learned is changing: from rigor-first, bottom-up teaching to top-down learning that starts from a real problem, with an AI model as a patient expert. The cap on how much math you can learn is the quality of your relationship with the model you prompt. This podcast is the first step in that new way. It teaches two things for the dead time in your day: the dynamics of quantitative finance, what moves, why, and what the calculus underneath is saying, without the rigor; and the vocabulary a quant uses, so your time with an AI model is spent asking sharp questions. Episodes follow the order of a quant finance textbook, one dynamic per episode, with real trading problems as the worked examples. Derivations and rigor live in the show notes. For educational purposes only; not financial, investment, tax, or legal advice. Nothing here is a recommendation to buy or sell any instrument. Past performance is not indicative of future results. Nothing in this podcast is financial advice. All figures discussed are historical and for educational purposes only. Do your own research and consult a licensed professional before making investment decisions.

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Quant Finance, Explained – Détails, épisodes et analyse

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