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Bitcoin coin standing on a chessboard with silver and brass chess pieces. Concept of strategic digital currency investment.
Cryptos Tech

Beyond the Sharpe Ratio: Why Tail-Risk Hedging Is Essential in Bitcoin’s Fat-Tailed Markets

A long-only Bitcoin strategy with a target Sharpe ratio of 0.8–1.2 and 60–70% volatility is an inherently risky proposition. The asset is high-beta with extreme negative skew and fat tails. While the elevated Sharpe suggests a high risk premium, this masks a pathological risk of ruin during retail capitulation events. The market's inefficiency stems…
10 hours ago0Comments

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Produits innovants Tech

China’s Domestic Immersion DUV Lithography Mass Production

On July 27-28, 2026, The Information and then Reuters confirmed the start of volume production of domestic Chinese deep ultraviolet (DUV) immersion lithography tools by Shanghai Aishengna Electronic Technology Group (a state-owned entity created in 2023, with a capital of approximately 7 billion CNY, integrating teams from Yuliangsheng/SiCarrier-Huawei and SMEE). Target: approximately 5 machines…
2 days ago0Comments

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Vertical shot of a modern apartment building with lush terrace gardens and clear sky.
Digitalisation Tech

L’IMMOBILIER COGNITIF. SCOREGEX

Un quartier peut générer du G.A.V. par la densité de publicités anxiogènes, le bruit, la pollution, l'insécurité perçue, un manque d'espaces verts et une connectivité excessive. À l'inverse, un quartier « anti-GAV » propose des zones de silence, de nature et de convivialité, réduisant les stimulations négatives. Les nouveaux indices GAV pour Scoregex incluent l’IGE…
2 days ago0Comments

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Long exposure of star trails creating circular patterns over two satellite dishes against a night sky.
Digitalisation Tech

Starlink Direct-to-Cell, also called Starlink Mobile or D2C/DTC

Starlink Direct-to-Cell (also called Starlink Mobile or D2C/DTC) is SpaceX’s satellite-to-smartphone service that lets ordinary, unmodified 4G/LTE phones connect directly to Starlink satellites for basic connectivity in areas without terrestrial cell coverage. As of August 2026, the Direct-to-Cell service has been live since July 2025, commercially launched with T-Mobile in the US. Its constellation comprises…
4 days ago0Comments

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Detailed financial chart showing a downward trend, ideal for economics and stock market analysis.
Analyse de marchéAnalyse de marché En chiffresEn chiffres MarketsMarkets

The Monte Carlo analysis of JPY carry trade

The Monte Carlo analysis of JPY carry trade unwind uses a Merton Jump-Diffusion model to simulate USD/JPY dynamics over a 90-day horizon, capturing both continuous exchange rate movements and sudden discontinuities from forced position closures. The model incorporates calibrated parameters including a spot rate of 158.5, stressed volatility ranging from 9% to 18%, and jump…
08/10/20260Comments

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