Decentralized meta-learning
  • Bitcoin
    4. Segwit transaction 3. Segwit address 2. Bitcoin transaction 1. Bitcoin address
  • Cryptography
    RSA ElGamal ECDSA Schnorr EC-Schnorr Zero knowledge proofs Elliptic curves Commitment schemes Hash functions BLS
  • Coins
    Ethereum address Monero address Iota address
  • Emacs
    Completion system In-file navigation Files/buffers navigation From Jekyll to Hugo Organizing work/life projects
  • Finance
    Interest Rate Black-Scholes formula Options Greeks Historical Volatility Linear & Log Returns Risk-adjusted metrics
  • Linux
    3. Use Linux kernel module 2. Config Linux kernel module 1. Write Linux kernel module From HDD to SSD w/ EFI Back to my first love Package management Config management SSH keys on USB Firewall, monitor, ban. Repeat. Wildcard SSL certificate 1. Personal Email server 2. Personal DNS server 3. Personal VPN server
  • Math
    Complexities with graphs Algebraic structures Ternary (Trinary) system Bias vs. variance
  • Open Source
    Bitmex-API Actihunt Deribit-API 3DP Huveragy G2: web app
  • Trading
    Weekly Monthly Close Slices of Bitcoin Month Breaks COVID-19 indicators Hedge Fund Market Wizards book Session breaks Whale alert New Market Wizards book Price breaks indicator Chess vs Trading Reminiscences of ... a loss
  • Travel
    4. G2: aftermath 3. G2: compare gear 2. G2: gear list 1. G2: training plan First USA visit Coworking spaces High-end Maldives Diving Palawan Backpacking Vietnam Surviging Bali 1. Annapurna Circuit: the plan 2. Annapurna Circuit: the gear 3. Annapurna Circuit: the training 4. Annapurna Circuit: the afthermath
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Decentralized meta-learning

trading


Risk-adjusted performance metrics

Finance

 Posted on January 27, 2023  |  4 minutes  |  690 words  |  Iulian Costan

You can easily double the investment and also double your return right? Not really… read on to see a few metrics that I use. [Read More]
finance  trading  metrics  performance 

Reminiscences of ... a loss

Trading

 Posted on May 26, 2022  |  3 minutes  |  539 words  |  Iulian Costan

Never ask a trader how much he makes but how much he lost… here is a story… [Read More]
trading  PNL  loss  FOREX  trading212  margincall 

Price (HLC) breaks indicator

Trading

 Posted on October 16, 2021  |  1 minutes  |  73 words  |  Iulian Costan

Maybe one of the most effective indicator that I use on daily basis, Price breaks. [Read More]
tradingview  trading  indicator  pivotpoints  ethusd  supportresistance 

Linear vs log returns

Finance

 Posted on September 14, 2021  |  4 minutes  |  844 words  |  Iulian Costan

The curse and the blessing of returns … additive vs. compounding land and what are the PROs/CONs between them. [Read More]
finance  trading  metrics  volatility 

New Market Wizards

Review

 Posted on April 7, 2021  |  9 minutes  |  1855 words  |  Iulian Costan

The second market wizards book, named simply New Market Wizards was actually published before the Hedge Fund Market Wizards book, a bit older but as the saying goes… oldies but goldies. [Read More]
trading  book  review  summary  market  wizards 

Historical volatility

Trading

 Posted on March 17, 2021  |  5 minutes  |  920 words  |  Iulian Costan

Historical volatility (also called realized volatility) measures how far the normal standard deviation is from expected mean, over a given period of time. [Read More]
historical  volatility  options  trading 

Whale alert

Trading

 Posted on February 27, 2021  |  1 minutes  |  104 words  |  Iulian Costan

Very simple pivot-point indicator that tries to detect whales' presence by checking the spikes in volume at the same UTC hour for the last 3 days. [Read More]
trading  tradingview  indicator  pivotpoints  whale  ethusd  volume 

Incomplete guide to Options Greeks

Finance

 Posted on February 16, 2021  |  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]
trading  options  delta  vega  theta  gamma  vanna  vomma  greeks 

Black-Scholes formula

Finance

 Posted on January 28, 2021  |  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]
trading  options  put  call  black-scholes  volatility  python 

Year 2020

Review

 Posted on January 5, 2021  |  1 minutes  |  204 words  |  Iulian Costan

Pam, pam, pam !!! Bloody fucking year, 2020, one of a kind, already in history books. [Read More]
2020  review  trading  crypto  blog  options  futures  cfd  defi  hodl  tech 
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