Curated developer articles, tutorials, and guides — auto-updated hourly


Practical finance guide for Indian investors: Debt mutual funds — safer than FD?


Practical finance guide for Indian investors: How to analyze a company before buying its stock


Canadian Solar Inc. (CSIQ) released its second-quarter 2026 financial results. The company's...


Only 3 of 11 sectors finished the week in positive territory, which tells the story more clearly tha...


摘要:后台经常有人甩给我一张漂亮的回测曲线:「道道,这套策略年化能到 80%,是不是能躺赚了?」我每次看到都想先泼盆冷水——回测是镜子,不是圣旨。今天道道把量化回测里最容易骗人的 5...


摘要:很多朋友抄到一模一样的策略、跑出一模一样的回测,最后实盘结果却天差地别。今天道道想跟你聊聊那个最容易被忽视、却决定生死的环节——仓位管理。为什么同样的策略不同人操作差别巨大?一文讲透仓位、凯利公...

Dealer gamma exposure explains why the market pins, accelerates, or reverses at key levels. Learn ho...


Interested in investing in US stocks but don't know where to start? The basics are simpler than the...


摘要:财富自由不是靠创业暴富、不是靠加班熬夜,而是靠「少亏钱、多存钱、让钱自己干活」。这篇文章拆解普通人最容易踩的6个财富坑,以及真正让钱为你工作的做法,最后送你三句压箱底的话。作者:道道。 [c...


Guide for retail investors on evaluating IPOs during India's bullish IPO season, focusing on growth ...


摘要:后台常有人问我:「道道,最近大盘一震荡,我拿着的票天天绿,晚上都睡不着,你们做量化的是不是从来不慌?」说实话,量化交易员也是人,也会紧张、会手痒、会想梭哈。区别不在「会不会慌」,而在「慌了之后怎...


Practical finance guide for Indian investors: Budget 2025 — what it means for Indian investors


Practical finance guide for Indian investors: PPF vs NPS vs ELSS — best tax-saving investments


Practical finance guide for Indian investors: Swing trading strategies for Indian markets


Practical finance guide for Indian investors: How to invest in international ETFs from India


The complete guide to dealer gamma and options flow — how dealer hedging moves SPX, what the gamma f...


Call walls and put walls are where dealer gamma concentrates — often acting as magnets, resistance, ...


A structured guide to trading 0DTE SPX options — what they are, why dealer gamma matters most here, ...


The gamma flip is the price where dealers switch from stabilizing the market to amplifying it. Learn...


GEX, or gamma exposure, aggregates dealer hedging across the options chain to reveal where the marke...


以 SpaceX 2026 年 6 月上市這個已完成的事件個案,拆解一場兆元級 IPO 對市場的機械性影響——指數納入的成文規則、被動買盤的真實量級、以及上市前後兩種不同的資金行為——並完整記錄一個原...


Learn to read institutional options order flow — how to tell a real signal from a routine hedge, and...


The unit you dollar-cost-average in — USDT or the coin itself — reverses your cost curve. Coin-denom...


How to identify a ranging market, draw support/resistance boundaries, and trade the range with Bolli...