Markets
How markets move, what the signals mean, and where value hides.
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Rank the market on what companies filed, or on what price has been doing, both run here, free and without an account.
Strategy backtesterTest a rule on any stock or ETF: moving-average cross, RSI, MACD, Bollinger, breakout, trend pullback and more, with optional stop-loss, take-profit and risk sizing (see your expectancy in R). Includes the monthly what-if calculator, and compares any of it against the S&P 500, a drip-feed, or simply holding cash.OpenMomentum screenerThe best-documented anomaly in finance: hold the strongest large caps, rebalance monthly. A 15-year backtest against the S&P 500, the latest monthly book, and one click to backtest any of them on its own.OpenValue screenerGreenblatt's magic formula and Piotroski's F-score, run on companies' own SEC filings: ranked on what they earn against what they cost, scored on whether the business is actually improving. Updated nightly.OpenMarket meterWhere the market stands today, in one number from four independent reads: CNN's Fear & Greed, the VIX, the S&P 500's 200-day regime, and how many sectors are trending up. Each read shown separately, the formula printed, updated daily.OpenIntrinsic value calculatorWhat a share is worth, not what it costs: discounted cash flow to equity and discounted EPS, with the growth rate, discount rate and horizon yours to set. Shows the year-by-year present values, so you can see how much of a valuation is a forecast.OpenCongress tradesEvery US House and Senate stock disclosure since 2015, straight from the official filings. Ranked by what a mechanical copy would have returned buying AFTER each filing became public, the earliest anyone could act, and a very different number from the member's own.Open
How a Congress Stock Tracker Actually Works: and the Four Things It Can't Tell YouWe ingested 9,877 congressional filings. Only 4,494 yielded machine-readable trades; 2,345 are scanned images nobody can parse. Here's how a congress stock tracker is built, what the data really contains, and why 73% of disclosed trades are smaller than $15,000.Read The House Just Voted to Ban Congressional Stock Trading. Here's What the Bill Actually DoesOn 22 July 2026 the House passed the Stop Insider Trading Act 232–198. It bans new stock purchases by members, their spouses and dependent children, but lets them keep and sell what they already own, with advance public notice. What that changes, and what it doesn't.Read One in Five Congressional Stock Trades Is Reported Late: We Measured 40,082 of ThemThe STOCK Act gives members of Congress 45 days to report a trade. We checked every disclosure since 2012: the median takes 28 days, one in five breaks the 45-day limit, and 8% surface more than a year after the trade. Here's what that lag does to anyone trying to follow along.Read The ETFs a European Investor Can Actually Buy in 2026Most 'best ETF' lists name SPY, QQQ and VTI, funds your EU broker is not allowed to sell you. Here are the UCITS equivalents that do the same job, with real expense ratios, ISINs and five-year returns in euros, plus why the exciting names from the last list aged badly.Read What is S&P500Learn what the S&P500 is and how it can help you build a simple, long-term investment strategy. Discover how it works and how to invest in it.Read Who are Dividend Kings and Aristocrats?Dividend Kings and Aristocrats are companies that raised their payout for decades. What qualifies them, and what the label doesn't guarantee.Read