Why This Exists
Most trading sites bury the answer under 900 words you already know before they get anywhere near a calculator. So this one skips straight to it.
How It Works
Every page starts with one specific trading question. The tool underneath it is the entire answer. Not a lead-in to one.
What It Isn't
There's no course to buy and no guy selling you an indicator. It's the math you'd otherwise work out by hand, done for you before you click buy.
The Library
What's Being Built
New calculators get added regularly. Options and risk management run deepest right now, with trading psychology tools expanding fast. Trade planning is growing steadily, and technical analysis has just gone live.
46 Tools Live
Risk & Position Sizing
How many shares, how much risk, how wide a stop before the trade doesn't make sense anymore.
30 Tools Live
Options Trading
Break-even price, max profit, max loss, theta decay, the numbers that decide a trade before expiration does.
17 Tools Live
Performance
Expectancy, win rate, profit factor. What your own trade log says about your edge, if you have one.
11 Tools Live
Trade Planning
Entries, exits, and risk to reward, worked out before you're already in the trade.
7 Tools Live
Technical Analysis
VWAP, moving average distance, and leveraged ETF decay, turned into actual numbers instead of a squiggle. ATR is already live under Risk Management.
36 Tools Live
Trading Psychology
The math behind revenge trades, losing streaks, and how fast a daily loss limit actually arrives.
How A Tool Page Works
You ask something specific. The tool answers it.
Fresh From the Library
Latest Tools
The newest calculator added to the library. More get added on a rolling basis.
Trading Psychology
Is this FOMO, or a legitimate breakout entry?
Answer 6 quick questions about your entry to get an instant read on whether this is a plan-based trade or a chase.
Technical Analysis
How much value can a leveraged ETF lose to volatility decay in a choppy, sideways market?
Estimate the value a leveraged or inverse fund loses to daily rebalancing decay, even if the index ends flat.
Performance
What happens to my results if I cut my risk per trade in half?
Compare your account's modeled outcomes at your current risk per trade versus half that risk, side by side.
Free. No Account Needed.
Run the numbers before you risk the money.
Every tool on this site is free to use. No signup, no email gate between you and your math.
Browse All Tools