Decentralized meta-learning

Delta changes as spot moves, implied volatility (IV) changes and time passes. Gamma, vanna and charm describe those three effects. Looking at them together explains why a short OTM put can gain less delta on a falling market than gamma alone suggests.

Financial markets can easily feel abstract and overwhelming when explained through textbook formulas and Wall Street jargon. To make these mechanisms tangible, I gave a presentation at Iconic Club Afaceri.ro in Iași breaking down the foundational financial instruments using a single, intuitive commodity: one bushel of wheat.

This document provides a comprehensive comparison of pricing plans across AI coding agents, IDEs, and coding APIs that I frequently use.

A digital certificate, specifically an X.509 digital certificate, is a standardized electronic document that binds a public key to an identity. It's like a digital ID card, issued and signed by a trusted third party, the Certificate Authority (CA), to verify the authenticity of a public key.

A primer to Implied Volatility, Constant Maturity, Term Structure. Enjoy the presentation!

Warning: Prior options trading knowledge is needed! if you do not know how payoff diagram for a CALL option looks like then these slides are not for you.

The Southern Carpathians (also known as the Transylvanian Alps) extend approximately 300km from the Prahova Valley in the east to the Iron Gates in the west, forming the highest and most rugged section of Romania's Carpathian chain.

The bond market uses several important rate/date/price concepts that investors need to understand. Here's an explanation of the most significant ones.

The Western Carpathians (Apuseni Mountains) form a distinct mountain group in northwestern Romania, separated from the main Carpathian chain by the Transylvanian Plateau.

Tips & tricks for testing Elixir applications… there are tons of libraries for testing, each one with different syntactic sugar, runtime (sync vs. async) and implementation details but all we need for unit testing are these 3: ExUnit, Hammox and Mimic.

The Eastern Carpathians stretch approximately 600km through northeastern Romania, running through the historical regions of Maramures, Bukovina, and Moldova.