The copper/gold ratio is sold as a macro and Bitcoin signal. What it actually measures, where it fails, and why a viral "Bitcoin cycle" indicator built on it has look-ahead bias.

ORB is sold as the holy grail of intraday trading. What the strategy really is, why the viral result misleads, and what makes or breaks an honest ORB backtest.

25+ strategies, and the honest question is never "which is best?" It's: which fits what, and when? Four truths that run through the whole library — timeframe decides, "beats B&H" often means losing less, win rate isn't profit, and fit beats breadth.

A filter that rescues one strategy can strangle the next. We ran 189 filter combinations on crypto — and exactly one survives the strictest overfitting test. What that reveals about the 200 WMA, ATR, Altcoin Season and the Bullmarket gauge.

A good strategy in the wrong market phase still loses. Six free tools give you the market's temperature — Arena Pulse, macro regime, on-chain, the Bitcoin cycle, sentiment, and the signal traffic light. All share one honest trait: they describe the present, they don't predict the future.

A chimpanzee guessing at random beats educated experts on fact questions — and forecasters on predictions. That's not a punchline but the finding of several of the most-cited studies. Why it happens, what Michael Burry has to do with it, and why a real prediction needs two things: a what and a when.

Most trading strategies are sold to you as complete solutions. "Run this system, make money." Enter signal. Exit signal. Repeat. Base rate win percentages plastered across the landing page.