Finelo Blog
Learn investing and trading, one article at a time. Practical guides, beginner-friendly explainers, and learning tips from the Finelo team.
Cash-Secured Puts Explained: How the Strategy Works
A cash-secured put is an options strategy where you sell a put and reserve enough cash to buy the underlying shares at the strike price if assigned. You collect a premium up front; in exchange, you accept a purchase…
Building an Advance–Decline Line: Data Choices, Resets, and Divergence Tests
This implementation guide is distinct from a general market-breadth overview. An advance–decline line is cumulative, so its shape depends on the security universe, advance/decline classification, unchanged issues,…
Bond Duration Explained: Understanding Its Importance in Investing
Bond duration measures how sensitive a bond's price is to interest rate changes: as a working rule, a bond with a duration of 5 years loses roughly 5% of its price if rates rise one percentage point, and gains roughly 5%…
Bollinger Bands Explained: How the Indicator Works and How to Trade It
Bollinger Bands plot a moving average with an upper and lower band based on the recent standard deviation of price, so the envelope widens when measured volatility rises and tightens when it falls. Developed by John…
A 30-Day Trading Simulator Practice Plan: Skills, Metrics, and Graduation Rules
This is not another list of “best” paper-trading products. It is a practice curriculum for readers who already have access to a simulator and want to know what to rehearse, what to measure, and when simulated performance…
10-K vs 10-Q: Understanding Key Differences in Financial Reporting
The 10-K is a company's audited annual report filed with the SEC once a year; the 10-Q is its unaudited quarterly update, filed three times a year for the fiscal quarters that do not end the year. The 10-K is…
Robinhood Earnings: Record Quarter for HOOD Stock — While Retail Investors Sold Stocks at a Record Pace
Robinhood reported record revenue and deposits as retail investors sold individual stocks at a record pace. The two trends reveal a shift down the risk ladder.
PCE Report: Inflation Eased to 3.7% in June — What It Means for the Fed's September Decision
June PCE inflation eased to 3.7%, while core PCE rose 3.3%. Here's what the softer print—and higher oil prices—mean for the Fed's September decision.
Moonshot AI Raises $3.5 Billion at a $35 Billion Valuation: Kimi AI's Rise, Explained
China's Moonshot AI raised $3.5 billion at a $35 billion valuation after Kimi K3 gained traction. Here's how to read the round and its IPO implications.
Microsoft Stock Jumps as Azure Revenue Tops $100 Billion — the Earnings Night That Split the AI Trade
Microsoft shares rose as Azure surpassed $100 billion in annual revenue and contracted business surged. Here's why the market rewarded its huge AI bill.
Samsung Stock, SK Hynix Stock, and SanDisk: $100 Billion in Profits Meets a Historic Crash
Samsung and SK Hynix posted roughly $100 billion in combined quarterly profit during a historic selloff. Here's what changed for memory-stock investors.
Kospi Update: $2 Trillion Lost, New Leveraged ETF Curbs — and Why Record Profits Aren't Stopping the Slide
South Korea's Kospi has lost about $2 trillion as regulators curb leveraged ETFs. Here's why record chip profits have not stopped the market slide.
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