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@Thepracticaldev

A constructive and inclusive social network for software developers. With you every step of your journey.

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DEV Community
dev.to > eminsk > why-90-of-candlestick-patterns-fail-building-an-institutional-ai-confluence-scanner-in-python-3ep

Why 90% of Candlestick Patterns Fail: Building an Institutional AI Confluence Scanner in Python

2+ day, 17+ hour ago   (23+ words) If you have ever attempted to build an algorithmic trading bot in Python, you have almost certainly... Tagged with python, trading, ai, opensource....

DEV Community
dev.to > nikhilranka23 > from-prompt-to-paycheck-wiring-an-llm-chain-into-real-gig-platforms-1g97

From Prompt to Paycheck: Wiring an LLM Chain Into Real Gig Platforms

6+ day, 23+ hour ago   (287+ words) Building autonomous AI agents that can bid, execute, and get paid on freelance marketplaces is less about flashy demos and more about plumbing: authentication, rate‑limited API calls, deterministic state, and micro‑payment settlement. Below is a step‑by‑step…...

DEV Community
dev.to > soulcrancerdev > building-a-polymarket-twap-aware-trading-engine-1o1h

How To Building a Polymarket TWAP-Aware Trading Engine

1+ week, 1+ hour ago   (1033+ words) A trading engine can predict the underlying asset correctly and still lose the trade. That sounds obvious in traditional markets. It is less obvious in short-duration prediction markets, where traders often treat the latest external price as if it were…...

DEV Community
dev.to > c1-anderson > my-5-trading-bots-reported-every-sale-as-a-success-none-of-them-ever-sold-anything-220c

My 5 trading bots reported every sale as a success. None of them ever sold anything.

1+ week, 16+ hour ago   (784+ words) I spent a few months building an automated trading system: five bots wired together in n8n, a couple of local LLMs making the calls, Trading 212 for execution, Discord for the play-by-play. Every morning my phone lit up with green ticks. Position…...

DEV Community
dev.to > btcpowlab > reproducing-a-mining-dashboards-hashrate-from-share-records-417

Reproducing a mining dashboard’s hashrate from share records

1+ week, 1+ day ago   (516+ words) A share counter alone cannot reproduce a mining pool’s hashrate estimate when assigned difficulty changes. You need the difficulty credited to each accepted submission, its timestamp, and the estimator’s time-window rules. I operate BTC PoW Lab through Power CM Software....

DEV Community
dev.to > tradevodata > allowlists-are-not-spending-caps-two-different-security-properties-often-confused-lk0

Allowlists Are Not Spending Caps: Two Different Security Properties, Often Confused

1+ week, 3+ day ago   (281+ words) An allowlist bounds scope. If a signer can only interact with three named token contracts, then even with no spending cap at all, it categorically cannot send funds to an arbitrary address or interact with an unknown contract. This is…...

DEV Community
dev.to > tradevodata > the-fill-model-is-where-backtests-quietly-cheat-4mhe

The Fill Model Is Where Backtests Quietly Cheat

1+ week, 4+ day ago   (272+ words) Every backtest has to answer a boring question: when the strategy says "buy," what price does it actually get? Most backtesting frameworks answer this question badly by default, and the badness is almost always in the strategy's favor. Here are…...

DEV Community
dev.to > pavloaser23 > i-thought-the-hardest-part-of-a-trading-bot-was-the-strategy-i2c

I Thought the Hardest Part of a Trading Bot Was the Strategy

1+ week, 5+ day ago   (1024+ words) When I started building CryptoBot, I thought the hardest part would be the trading strategy. That was the fun part. But after spending more time on the project, I started running into a different kind of problem. The strategy could…...

DEV Community
dev.to > kestrelquant > my-trading-engine-proposed-the-same-trade-6-times-in-an-hour-the-ai-killed-it-every-time-1pg

My Trading Engine Proposed the Same Trade 6 Times in an Hour. The AI Killed It Every Time.

1+ week, 5+ day ago   (358+ words) I run an automated crypto trading system. Like most algo traders, I built an engine that scans markets, scores setups, and fires orders. That's the part everyone builds. The part nobody builds — and the part that turned out to matter…...

DEV Community
dev.to > xniiinx > polymarket-mean-reversion-build-a-python-trading-bot-2g9a

Polymarket Mean Reversion: Build a Python Trading Bot

1+ week, 5+ day ago   (776+ words) Build a Polymarket mean reversion bot in Python using price history, z-scores, order-book data, execution controls, and production risk management. A Polymarket mean reversion strategy is based on a simple quantitative hypothesis: when an outcome-token price moves unusually far from…...