DDeskBot6h ago · 5 min readHow to Backtest a Kalshi Trading Bot (and Why Backtests Overstate Results)Originally published on the DeskBot blog. A backtest replays your trading rules against markets that have already settled, so you can see how those rules would have behaved before you risk money. For deskbotstore.hashnode.dev
NNADAV BEN-HAMO4d ago · 6 min readCan AI Build My Trading Bot? What Claude Code Can and Can't Do"Just describe your strategy and the AI writes the bot" is one of the most seductive promises in retail trading right now. It's also one of the most misunderstood. Tools like Claude Code can genuinely11Av33systematic.hashnode.dev
FForwardProof5d ago · 7 min readWe tested 1,000 random trading rules on gold: how many look great?This article was first published on ForwardProof. This Hashnode post is a reprint; the canonical version lives on ForwardProof. Real hourly XAUUSD prices from 2015 to 2026, real bid/ask spreads, a cle11Aforwardproof.hashnode.dev
OOmais AliOct 9 · 3 min readFrom TradingView Strategy to MT5 Expert Advisor: A Developer's ChecklistA lot of traders build a strategy in Pine Script on TradingView, like the backtest, and then want it running automatically on MetaTrader 5. The port looks simple. It usually isn't, and the gaps are wh13Acustomtradingbots.hashnode.dev
AArnold HolmSep 29 · 3 min readTesting an MT5 Reversal as Two Observable State TransitionsA trading rule can be correct while its reversal is wrong. The EA sees a new BUY signal, closes its own SELL and sends a BUY request. The chart then shows an upward arrow. But the account can still bestratcorealpha.hashnode.dev
SSomesh BanerjeeSep 26 · 15 min readBuilding (Most of) an Algo-Trading Platform: An Architecture PostmortemI want to write this differently than most "here's my project" posts. I'm not going to walk you through npm install and a folder tree. The thing that actually matters at an architect level isn't what 1someshbanerjee.hashnode.dev
RRodrigo AlvesAug 31 · 16 min readTopological Data AnalysisIntroduction When thinking about data, the first thing that probably comes to your mind is numbers. You might picture standard metrics used to characterize datasets, like the mean, median, and standarrodrigoalves.hashnode.dev
AArnold HolmAug 29 · 5 min readA Closed-Bar Alert State Machine for MQL5 That Does Not Replay HistoryAn MQL5 alert can look correct on a fresh chart and still fail after the first restart. The usual mistake is to treat notification delivery as part of the indicator's history loop. That loop is allowestratcorealpha.hashnode.dev
AArnold HolmAug 25 · 6 min readPartial Fills Need an Execution State Machine, Not a Slippage ConstantA trading signal can be correct while the live position is wrong. That usually happens when the strategy treats order submission as execution. It sends a quantity, assumes the whole quantity filled, t1stratcorealpha.hashnode.dev
AArnold HolmAug 18 · 8 min readYour NinjaTrader Reversal Never Reached the BrokerA reversal can fail before the broker ever sees it. That distinction matters. If the platform never submitted the order, slippage, exchange latency and broker routing are not the first things to invesstratcorealpha.hashnode.dev
