Investment Guides & Articles

Free educational resources to help you invest smarter, track your portfolio, and build long-term wealth.

Portfolio Tracking & Tools

Track, manage, and optimize your investment portfolio

Best Portfolio Tracker 2026

Complete guide to choosing the right portfolio tracker. Compare spreadsheets, broker apps, and dedicated tools to find the best fit for your needs.

14 min read Read guide

Stock Tracker Spreadsheet

Track a portfolio in Excel or Google Sheets: the price functions, SUMIFS and XIRR, and a five-trade example with the split and dividends a sheet misses.

9 min read Read guide

Efficient Frontier Calculator

Enter a few stocks or ETFs and see their calmest mix and the mix that paid most for the risk taken. No signup required.

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ETF Overlap Tool

Compare up to five ETFs and see the holdings they share, and which companies a mix of them really owns. No signup required.

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Monte Carlo Simulation Calculator

Run a savings or withdrawal plan through 1,000 market paths and see the range of outcomes, up to 40 years ahead. No signup required.

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How to Track Your Investment Portfolio

Learn what to track, which methods work best, and how to avoid common mistakes that cost investors money at tax time.

14 min read Read guide

Track Multiple Broker Accounts in One Dashboard

Consolidate 5-10+ broker and Demat accounts into a single view. Combined XIRR, realized vs unrealized gains, and unified tax reporting.

8 min read Read guide

Multi-Currency Portfolio Guide

Manage international investments across currencies. Understand FX impact on returns, hedged vs unhedged strategies, and multi-currency tracking.

12 min read Read guide

Security & Privacy at AllInvestView

See what AllInvestView stores, how read-only broker connections and AI processing work, and which export and deletion controls remain in your hands.

Trust center Read details

Portfolio Rebalancing: Complete Guide

Master rebalancing strategies, threshold vs calendar approaches, tax implications, and step-by-step instructions to keep your allocation on target.

13 min read Read guide

AI Portfolio Analysis

Use AI with portfolio data without losing accuracy or privacy

Investment Fundamentals

Master the core concepts every investor should know

Income & Growth Strategies

Build passive income and grow your wealth over time

Investment Strategies

Different approaches to growing your wealth

Asset Classes

Understand different types of investments

Bond Investing Guide

Learn how bonds work, understand yields and duration, and discover how to build a bond ladder for steady income.

15 min read Read guide

Inside the Bond Pricing Engine

Power-user walkthrough: central-bank yield curves, implied-spread calibration at the trade date, the shifted-curve mechanism for EU sovereigns, and the broker / market / theoretical price priority.

14 min read Read guide

Basis Risk for Bond Investors

The residual P&L when your hedge or pricing reference and your underlying drift apart. Worked example, the three places retail bond investors actually hit it, and what to do about it.

10 min read Read guide

Bond Tracker for Advisors

Fixed income management software for wealth advisors. Multi-household consolidation, live central bank yield curves, and credit spread analytics.

9 min read Read guide

Best Portfolio Tracker for Bonds 2026

Compare 5 bond portfolio trackers on yield curve repricing, CUSIP support, maturity ladders, coupon calendars, and credit spreads.

11 min read Read guide

ETF Investing Guide

Exchange-traded funds explained. Learn about expense ratios, tracking difference, and how to build a diversified portfolio with ETFs.

13 min read Read guide

Call vs Put Options

How calls and puts work, with a real Apple trade: what each costs, where it breaks even, buying vs selling and what happens at expiry.

16 min read Read guide

Wheel Strategy Guide

Master the wheel options strategy: sell CSPs, get assigned, sell covered calls, repeat. The complete guide to systematic income.

18 min read Read guide

Covered Call Strategy Guide

Learn to sell covered calls for income. Strike selection, rolling, assignment management, and real-world examples.

15 min read Read guide

Cash-Secured Put Guide

Get paid to buy stocks at your target price. CSP strategy, risk management, and wheel strategy integration.

14 min read Read guide

Iron Condor Strategy Guide

A real SPY iron condor: picking the strikes, wings and expiry, managing it, and what Cboe's iron condor index has returned.

14 min read Read guide

Protective Put Guide

A real NVIDIA put: what each strike and expiry costs, married puts, collars and stop-losses, and what put protection has returned.

13 min read Read guide

Credit Spread Guide

Real QQQ put and call credit spreads: picking the strike, width and expiry, credit vs debit spreads, and how often QQQ has moved past them since 1999.

14 min read Read guide

LEAPS Options Guide

A real NVIDIA LEAPS: the January 2028 $150 call for $7,915 against $21,096 in shares. Strike, expiry, time decay, rolling and taxes.

13 min read Read guide

Rolling Options Guide

How to roll a covered call or a cash-secured put with real Apple quotes: every roll as a credit or debit, and a roll chain's real P&L.

11 min read Read guide

Options Greeks Guide

Delta, gamma, theta, vega and rho on one real Apple option, position Greeks for six strategies and delta hedging.

12 min read Read guide

Implied Volatility Guide

What IV means with real Apple options: the expected move, the jump before earnings and the crush after, skew, IV rank and percentile.

12 min read Read guide

Debit Spread Guide

A real Tesla bull call spread: the 380/420 for $1,305 against $2,065 for the call alone. Strikes, width, the SPY bear put spread and taxes.

12 min read Read guide

Calendar Spread Guide

A real SPY calendar: sell the November $760 call, buy December's, $642 in. Time decay, volatility, earnings and double calendars.

13 min read Read guide

Options Collar Guide

A real zero-cost collar on JPMorgan: a $300 floor and a $360 cap for a $30 credit, how to pick strikes and expiry, and the taxes.

12 min read Read guide

Poor Man's Covered Call Guide

A real Apple PMCC for $11,745 instead of $34,773 in shares, the strike rule, the long call's time value, rolling and what a 10% drop costs.

13 min read Read guide

Butterfly Spread Guide

A real SPY butterfly for $527 that pays up to $1,473, the iron and broken wing versions, why it pays late, and how often SPY stayed in range since 1993.

13 min read Read guide

Straddle vs Strangle Guide

Real Microsoft straddles and strangles priced before its earnings, the move each needs, the volatility crush, and how far Microsoft moved after its last 24 reports.

14 min read Read guide

Options Greeks Calculator

Free live calculator: compute Delta, Gamma, Theta, Vega and option prices using Black-Scholes. No signup required.

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Covered Call Calculator

Calculate max profit, breakeven, and annualized return for any covered call. Interactive payoff diagram included.

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Cash-Secured Put Calculator

Analyze CSP premium income, assignment risk, and annualized returns. Scenario breakdown for expiration vs assignment.

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Options Hub

All options tools in one place: Greeks dashboard, wheel strategy tracker, payoff diagrams, calculators, guides, and ticker-specific analysis.

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Options Tracker

Track options trades, Greeks, P&L, and strategies. Automatic strategy detection for 15+ multi-leg strategies.

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Options Payoff Calculator

Visualise profit and loss for any options strategy. Build multi-leg payoff diagrams with breakeven analysis.

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Crypto Portfolio Management

How to track and manage cryptocurrency investments. Learn about allocation strategies, security best practices, and tax implications.

14 min read Read guide

Bond Yield Calculator

Calculate yield to maturity, current yield, and total return for bonds. Interactive cash flow visualization and price/yield charts.

6 min read Use calculator

Bond Ladder Builder

Build a maturity ladder, estimate coupon income, and compare cash-flow schedules for fixed-income portfolios.

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Accrued Interest Calculator

Calculate accrued interest, clean price, and dirty price for bond settlement dates using coupon schedules.

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Mortgage Calculator

Calculate monthly payments with French amortization. View complete schedules and simulate early repayment savings. Available in English and Spanish.

5 min read Use calculator

Rent vs Buy Calculator

Should you rent or buy? Compare total costs, opportunity costs, and net worth over time with our interactive calculator.

5 min read Use calculator

Ticker Logo API

Free company logo CDN for developers. Get high-quality logos by stock ticker symbol or website domain. No API key required. Interactive playground included.

Developer Tool Try it free

Tax Optimization

Keep more of your returns with smart tax strategies

Cuenta Financia Europa

La nueva cuenta de inversión española: aportaciones, ganancias al retirar y cómo encaja en una cartera con varias cuentas.

Leer guía

How to Report Stocks on Your Taxes

From your 1099-B to Form 8949 and Schedule D, on a real 2026 year with an Apple gain, an Nvidia gain and a Tesla wash sale.

12 min read Read guide

How to Track Investment Taxes

Year-round capital gains tracking, real-time tax estimates, cost basis comparison, and a tax planning calendar with practical examples.

15 min read Read guide

Tax-Loss Harvesting Guide

Turn investment losses into tax savings. Learn the wash sale rules, strategies, and how much you could save each year.

13 min read Read guide

Capital Gains Tax Guide

Understand short-term vs long-term capital gains, tax brackets, and strategies to minimize your tax bill when selling investments.

14 min read Read guide

Dividend Withholding Tax

Learn about international dividend taxes, tax treaty rates by country, W-8BEN forms, and how to reclaim overpaid withholding tax.

12 min read Read guide

FIFO vs LIFO: Cost Basis Methods

Compare different cost basis methods for calculating capital gains. Learn when FIFO, LIFO, or Specific ID can save you the most on taxes.

11 min read Read guide

Capital Gains Tax Calculator

Free calculator to estimate capital gains tax across 12+ countries. Calculate short-term vs long-term rates and optimize your tax strategy.

5 min read Use calculator

Deemed Disposal Calculator

Calculate Ireland's 8-year ETF deemed-disposal date and estimate exit tax due for each fund lot.

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Ireland Investment Tax Report

CGT, 38% fund exit tax, deemed disposal, dividends, and Form 11 or CG1 reporting for Irish investors.

9 min read Read guide

Spain Investment Tax Report

Modelo 100, Modelo 720, savings-income tax brackets, and foreign withholding relief for investors in Spain.

9 min read Read guide

Germany Investment Tax Report

Abgeltungsteuer, Sparer-Pauschbetrag, Vorabpauschale, Teilfreistellung, and Anlage KAP in English.

9 min read Read guide

UK Share CGT Calculator

Enter your trades and see each sale matched to same-day buys, the 30-day rule and the Section 104 pool, with the tax for the year. No signup required.

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Adjusted Cost Base Calculator

The running ACB per share for Canadian investors, the gain on every sale, superficial losses and the taxable half. No signup required.

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UK Investment Tax Report

CGT allowance, dividend allowance, Section 104 pooling, the 30-day rule, and SA108 reporting.

9 min read Read guide

Australian Investment Tax Report

CGT with the 50% discount after losses, parcel selection, franking credits at 11U and foreign dividends at item 20, in AUD.

8 min read Read guide

CGT Calculator for Australian Shares

Your capital gain, the 50% discount and the number of days left until a sale qualifies for it.

2 min Use calculator

Franking Credits Calculator

The credit on any Australian dividend, the grossed-up amount and your refund or tax to pay.

1 min Use calculator

German Capital Gains Tax Guide

Complete guide to Abgeltungssteuer (26.375%) for German investors. Sparerpauschbetrag, church tax, and crypto rules explained.

10 min read Read guide

Spanish Capital Gains Tax Guide

Progressive tax rates (19%-30%) explained for Spanish investors. Modelo 100/720 reporting, loss carryforward rules, and more.

10 min read Read guide

Impuesto sobre Ganancias Patrimoniales

Guia completa en espanol sobre el impuesto de ganancias patrimoniales en España. Tramos, deducciones y estrategias fiscales.

10 min read Leer guia

How Dividends Are Taxed

Qualified dividends at 0%, 15% or 20%, ordinary ones at your income rate. A calculator with this year's brackets and a 1099-DIV worked through.

5 min read Use calculator

Stock Events & Corporate Actions

Understand how corporate actions affect your portfolio

Platform Comparisons & Alternatives

Find the best portfolio tracker for your needs

Contenido en Español

Investment guides and comparisons available in Spanish

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