Portfolio & Position Sizing
Free, secure online Portfolio & Position Sizing tools.
ESSENTIAL
Average Share Price Calculator
Calculate your true weighted average cost per share when buying multiple stock lots at varying market prices over time.
PORTFOLIO
Portfolio Allocation Calculator
Track individual stock positions, calculate portfolio percentages, and monitor sector concentration to maintain diversification.
TAX BASIS
Stock Cost Basis Calculator
Compute your tax-adjusted cost basis per share accounting for corporate stock splits, reinvested dividend shares, and wash-sale adjustments.
TRADER ESSENTIAL
Stock Position Size Calculator
Determine the exact number of shares to purchase based on account size, strict percentage risk limits, entry price, and technical stop loss.