Trader Abacus
Calculators for active traders and investors. Everything runs in your browser.
Position Size Calculator How many shares to trade so a stop-loss hit costs a fixed % of your account. Risk/Reward Calculator Risk and reward per share, the R:R ratio and the win rate you need to break even. Futures Tick Value Calculator Ticks, points and dollar P&L for ES, MES, NQ, MNQ, CL and GC futures. Pip Value Calculator What one pip is worth on a forex position, in your account currency. Trading Expectancy Calculator Average profit per trade in R and dollars from win rate, average win and average loss. Kelly Criterion Calculator Full, half and quarter Kelly risk per trade from win rate and win/loss ratio. Drawdown Recovery Calculator The gain needed to get back to your peak after a loss, and how long it may take. Compound Interest Calculator Future balance with monthly or annual contributions, plus a year-by-year table. CAGR Calculator Compound annual growth rate and total return, or the yearly rate needed to hit a target. Options Profit Calculator P&L at expiry for a single call or put and 13 strategies, with break-evens and a payoff chart. Break-Even After Fees Calculator The exit price where a long or short trade covers its commissions. Leverage & Margin Calculator Effective leverage, required and free margin, and the move that would wipe out equity. Bull Call Spread Calculator Debit call spread for a moderate rise: cost, max profit and loss, break-even at expiry. Bear Put Spread Calculator Debit put spread for a moderate fall: cost, max profit and loss, break-even at expiry. Bull Put Spread Calculator Credit put spread that profits if the price stays up: credit, max loss, break-even. Bear Call Spread Calculator Credit call spread that profits if the price stays down: credit, max loss, break-even. Covered Call Calculator Static and if-called return, max profit and loss, and break-even for stock plus a short call. Cash-Secured Put Calculator Return on collateral, effective purchase price if assigned, and break-even for a short put. Protective Put Calculator Downside floor, insurance cost and break-even for stock hedged with a long put. Collar Calculator Floor, cap, net premium and break-even for stock with a long put and a short call. Long Straddle Calculator Two break-evens and the move needed to reach them for a call and put at the same strike. Long Strangle Calculator Cheaper than a straddle, wider break-evens: cost, required move and payoff at expiry. Iron Condor Calculator Credit, profit zone, max loss with uneven wings, and both break-evens at expiry. Iron Butterfly Calculator Short straddle with protective wings: credit, max loss and break-evens at expiry. Butterfly Spread Calculator Long call butterfly aimed at a target price: debit, max profit and both break-evens. Options Strategies Guide Compare 13 strategies by outlook, cost and risk, and open any of them in the calculator.
Position & Risk
6 toolsSize trades, judge setups and keep losses survivable.
Position Size Calculator How many shares to trade so a stop-loss hit costs a fixed % of your account. Risk/Reward Calculator Risk and reward per share, the R:R ratio and the win rate you need to break even. Trading Expectancy Calculator Average profit per trade in R and dollars from win rate, average win and average loss. Kelly Criterion Calculator Full, half and quarter Kelly risk per trade from win rate and win/loss ratio. Drawdown Recovery Calculator The gain needed to get back to your peak after a loss, and how long it may take. Leverage & Margin Calculator Effective leverage, required and free margin, and the move that would wipe out equity.
Options
Payoff at expiry for single options and 13 strategies.
Futures & Forex
2 toolsWhat a tick or a pip is worth in dollars.
Costs & Returns
3 toolsFees, compounding and growth rates over time.
Compound Interest Calculator Future balance with monthly or annual contributions, plus a year-by-year table. CAGR Calculator Compound annual growth rate and total return, or the yearly rate needed to hit a target. Break-Even After Fees Calculator The exit price where a long or short trade covers its commissions.