LLei Chen17m ago · 2 min readI built a Pine Script → Python transpiler — and just opened it up for paying usersHi there — I'm Ray, a retail trader with a day job, and this is my weekend side project: Pine2Py (pine2py.com). The problem was my own. I'd prototype a strategy in Pine Script on TradingView, then wanleichenbuilds.hashnode.dev
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
AArnold Holm19h ago · 4 min readCan a clean backtest still leave you with no trading edge?Can a clean backtest still leave you with no trading edge? If you check a report before you trust it, start with one ratio. Recorded profits divided by recorded losses tells you if gains kept more thastratcorealpha.hashnode.dev
EElitePropX1d ago · 3 min readNine prop firm rulebooks, one schema: the fields that actually decide the outcomeEvery prop firm publishes its rules as prose, and every comparison site reproduces that prose. Comparing nine firms then means holding nine documents in your head at once, which is where most "this fielitepropx.hashnode.dev
AArnold Holm2d ago · 4 min readA weekly strategy still has a worst day: -9%Does a weekly basket rebuild keep you safe against a daily loss rule? If you run a challenge basket, that question matters more than the weekly plan. An illustrative $50,000 basket losing 9% ends at $stratcorealpha.hashnode.dev
NNIck2d ago · 27 min readPrediction markets vs options and futures for systematic tradersOn futures and listed options, a systematic strategy pays three times, and twice before its first trade. First for data: order book history, exchange licenses, vendor subscriptions. Then for access: alucyd.hashnode.dev
SSergei B3d ago · 7 min readA Good Fill Price. What About the Fee?A limit order. You bought at exactly the price you specified, or even a little cheaper. So far, so good. But there is another line worth checking: what did the exchange charge for that fill? You can g1sergeialgo.hashnode.dev
SSergei B4d ago · 6 min readThe backtest used a 0.06% fee. What was my account actually paying?I develop trading bots. Our historical tests used a fee of 0.06% per side. When I checked the executions from one of my live accounts, though, the volume-weighted fee rate actually paid was about 0.0812Nsergeialgo.hashnode.dev
AArnold Holm4d ago · 4 min readFixed UTC-5 is not the New York clockA fixed UTC-5 session and the New York clock can differ by a full hour. A conversion can therefore take different trades even when the entry formula agrees. If you move a Pine session to MT5, your clostratcorealpha.hashnode.dev
NNIck5d ago · 9 min readA Claude Code agent that trades Bitcoin Up/Down rounds over MCPIf your trading idea fits in a few sentences, the idea is rarely the expensive part. The expensive part is everything around it: an API client, order signing, reconnects, keeping track of what is rest12Alucyd.hashnode.dev
