ALGOTHESIS / CALCULATORS
What do you want to work out?
7 free calculators, each answering one question, with an example already worked. They run in your browser and show their formula.
Investing
- What does this option make at expiry?Options profit calculator · calls, puts, spreads, straddles · loads the latest official closeBuy 1 call, strike $150, premium $5.00 → breakeven $155.00; at $170 on expiry the profit is $1,500.Work it out →
- What does this stock pay me a year?Dividend calculator · with or without reinvesting · loads the latest official close and SEC dividends$6,800 in a $68 stock paying $2.04 a share a year, nothing added monthly → 100 shares and $204.00 a year before tax.Work it out →
- What is my average after buying more?Stock average calculator · breakeven and the shares to reach a target · loads the latest official close100 shares at $50 + 100 at $40 → average $45.00; from $40 that is +12.50% to break even.Work it out →
- What is the percentage change?Percentage calculator · X% of Y, reverse percentages, points · loads the latest official close$80 → $92 is +15.00%. 15% of 240 is 36.Work it out →
Borrowing and saving
- What is my loan payment?Amortization calculator · the full schedule and extra payments$300,000 at 6.5% for 30 years → $1,896.20 a month; $382,633 of interest over the loan.Work it out →
- What will my CD be worth?CD calculator · from its APY or its rate and compounding$10,000 at 4.25% APY for 12 months → $10,425.00 at maturity.Work it out →
- How much can I borrow against my home?HELOC calculator · the limit, the draw period and repayment$400,000 home, $250,000 owed, 85% limit → a $90,000 line; $50,000 drawn at 8% is $333.33 a month interest-only.Work it out →
New to options?How options work →
Educational only, not investment, lending or tax advice. Every example is arithmetic you can check in its calculator with the inputs shown; the dividend example's $68 price and $2.04 a share are illustrations. AlgoThesis is a publisher, not an adviser; see the disclaimer.