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Saylor Innovations Position Size Calculator
x402
Saylor Innovations Position Size Calculator is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).
Calculates trading position size (units, notional, leverage) and take-profit target prices from account equity, risk percent, entry price, and stop price.
Price / call$0.01
Success—
StatusUnknown
How this service works
Position size from account equity, risk percent, entry and stop: units, notional, leverage needed and target prices at chosen R multiples.
Output
Returns a JSON object with: inferred trade direction (long/short), account equity, entry price, stop price, risk percent, dollar amount at risk, position size in units, notional value in USD, leverage needed, and an array of take-profit prices at requested R-multiples with corresponding profit in USD. Also includes a plain-language note and data source.
Example use cases
Stock trade risk sizing
“I have $10,000 in my account and want to risk 2% on a stock I'm entering at $85.50 with a stop at $82.00 — what's my position size in shares, the notional, and what are the 1R, 2R, and 3R targets?”
Crypto leverage position check
“My account is $5,000 and I want to go long Bitcoin at $67,400 with a stop at $65,000, risking 1.5%. How many units can I buy, what leverage do I need, and what are my profit targets at 1R and 2R?”
Short trade position sizing
“I have $50,000 in my account and I'm shorting a stock at $200 with a stop at $210, risking 0.5%. Can you calculate how many units to short, the notional size, leverage required, and my 1R, 2R, 3R target prices?”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/trading/position-size?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, deterministic position-sizing calculation given account equity, a risk percentage, entry price, and stop price — especially when you also want R-multiple take-profit targets pre-computed. Prefer it over manual calculation or general-purpose math tools when the output format (units, notional, leverage, targets) matches what a trader needs directly.
Side effects
- Missing required query parameters (account_usd, risk_percent, entry_price, stop_price) returns an error
- Stop price equal to entry price causes division-by-zero / undefined result
- Non-numeric string values for prices or percentages may return parse errors
- Extremely small risk percentages or prices may produce nonsensical unit counts
- Service unavailability returns HTTP error without position data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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