Decentralized meta-learning

Incomplete guide to Options Greeks

Finance

| 4 minutes | 730 words | Iulian Costan

Greeks or Options Greeks are tools/statistics which measure sensitivity (responsiveness, calculus anyone?) of option price to changes in various parameters: underlying price, volatility, time, etc… [Read More]

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Black-Scholes formula

Finance

| 4 minutes | 748 words | Iulian Costan

Black-Scholes formula… maybe not as important and well-known as compounding interest-rate but still the most famous formula among options traders. [Read More]

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Year 2020

Review

| 1 minutes | 204 words | Iulian Costan

Pam, pam, pam !!! Bloody fucking year, 2020, one of a kind, already in history books. [Read More]

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Ternary (trinary) vs. binary

Computers

| 4 minutes | 661 words | Iulian Costan

We all know the binary system but a few heard about ternary (trinary) system; one of the first computer in Soviet Russia was using ternary system but it went out of fashion and binary system took over. [Read More]

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Generate IOTA address

IOTA

| 6 minutes | 1074 words | Iulian Costan

Generate IOTA address using plain old Python, starting with random seed, derive private key, and finally the checksum and address. [Read More]

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Interest rate

Finance

| 5 minutes | 1059 words | Iulian Costan

Albert Einstein: "Compound interest is the eighth wonder of the world. He who understands it, earns it … he who doesn't … pays it. [Read More]

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Algebraic structures: Set, Group, Ring

Math

| 5 minutes | 1009 words | Iulian Costan

The easiest way to understand algebraic structures, starting with basic structure called Set and incrementally add properties on top of it to build more complex structures. [Read More]

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Generate Ethereum Address

Ethereum

| 3 minutes | 499 words | Iulian Costan

Generate Ethereum address from private key using plain old Python3, Elliptic Curve multiplication from SageMath and of course Keccak hash function. [Read More]

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Session breaks

Trading

| 1 minutes | 78 words | Iulian Costan

The most successful indicator so far is "Session breaks" that renders vertical lines for open hour of each trading session. [Read More]

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First USA visit

Travel

| 2 minutes | 280 words | Iulian Costan

It's been 20 fuckin' years since I set foot on the US soil for the very first time… [Read More]

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