Free tools · 14 calculators · no signup
Free investing calculators Run the numbers before the trade.
Size a position, chart an options payoff, plan a complete wheel cycle or check your TFSA, FHSA and RRSP room — with clear inputs and estimates.The sample put — a $100.00 strike sold for $2.00, 30 days out — breaks even at $98.01 with an estimated 59.7% chance of profit. Change any input and every figure follows.
Free calculators
14
Price
$0
No signup, no card
Same math
As the app
One engine for tools and tracker
TFSA limits
2009–2026
18 CRA annual limits on file
Glossary
129
Terms explained, free
01
The workbench
Each card previews its tool’s worked example — open one and make it yours.
Cash-secured put calculator
Estimate the cash required, premium return and breakeven when selling a put backed by cash.Open the tool$649.00if called awayCovered call calculator
Estimate premium income, breakeven and capped profit when selling a call against shares you own.Open the tool48.5%a year, 60-day cycleWheel yield calculator
Estimate one complete put-to-covered-call cycle, including premiums, fees and the share-price gain or loss.Open the tool59.7%odds of profitOptions probability and breakeven calculator
Estimate the chance of a profitable expiry under a simple price model, alongside breakeven and payoff limits.Open the toolCSP · CC · Roll · Wheelstrategies in oneWheel strategy calculator
Size cash-secured puts, covered calls, rolls and full wheel cycles — premium, annualized return, breakeven, probabilities and Greeks.Open the tool.xlsxfree downloadThe free wheel strategy spreadsheet
Log your puts and calls in Excel or Google Sheets. Premium, P/L and annualized return add up by themselves.Open the tool02
Plan a trade
Stocks and options: size the position, chart the payoff, weigh the reward against the risk, simulate the losing streaks.
Position size calculator for stocks and options
Work out how many shares or option contracts fit your risk per trade from account size, entry and stop — with the dollars at risk and the position size.Open the tool$320.00max profit, 100/105 call spreadOptions profit calculator with payoff chart
Chart the profit or loss at expiration of up to four legs — calls, puts and shares — with breakevens, max profit and loss, and the net debit or credit.Open the tool28.6%win rate to break even at 2.50 : 1Risk/reward ratio calculator with breakeven win rate
Turn an entry, stop and target into a reward:risk ratio, the win rate it needs to break even and, with your win rate, the expectancy per trade in R.Open the tool-12.4%median max drawdown, 2,500 pathsDrawdown and losing-streak simulator for options traders
Simulate thousands of possible paths from your win rate, average win and loss, position size and trade frequency to see how deep drawdowns and how long losing streaks can realistically get.Open the tool03
Canadian registered accounts
TFSA, FHSA and RRSP room with the CRA’s own figures, checked on canada.ca.
TFSA contribution-room calculator
Estimate your TFSA room for a year from unused room, ordinary withdrawals and contributions across all your TFSAs — with every CRA annual limit.Open the tool$40,000lifetime FHSA limitFHSA contribution-room calculator
Work out your FHSA participation room year by year: the annual limit, the carryforward and what’s left of the lifetime limit.Open the tool$33,8102026 RRSP dollar limitRRSP deduction-limit calculator
Estimate your RRSP deduction limit: 18% of last year’s earned income up to the year’s maximum, less your pension adjustment, plus unused room.Open the tool04
A trade, start to finish
The tools chain together: price the put, check the odds, plan the whole cycle — then track it for real.
- Price the putCash secured, premium, return and breakeven for the first leg.Cash-secured put
- Check the oddsHow often that trade finishes profitable under a simple price model.Probability
- Plan the full cyclePut, assignment, covered call and called away — every dollar counted.Wheel yield
- Track it for realLog the trade in a free account and follow income, assignments and rolls.Create a free account
05
Words behind the numbers
Every output links to a plain-English definition — 129 terms in the free glossary.
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