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Trading Developer Tools
Crypto, exchange API, and trading bot development tools for candle timing, precision formatting, alert parsing, and educational risk math.
Developer-focused trading utilities
Trading bots and crypto API integrations often need small deterministic helpers: candle close times, exchange interval conversions, price precision, quantity precision, and webhook payload parsing.
These tools are for development, testing, and educational calculation workflows. They do not recommend trades, forecast returns, or replace exchange-specific documentation.
API implementation notes
Always verify tick size, step size, funding rules, liquidation formulas, and kline timing against the exchange you integrate with. Different venues can use different precision rules, margin formulas, and settlement conventions.
Tools in this group
Candle Close Time
Calculate the close time for a crypto kline or candlestick from open time and interval.
tradingKline Interval
Convert crypto kline intervals such as 1m, 15m, 1h, 1d, and 1w into milliseconds and seconds.
tradingFunding Fee
Estimate perpetual futures funding fees from notional size and funding rate.
tradingLiquidation Price
Estimate a simplified liquidation price from entry, leverage, side, and maintenance margin.
tradingRisk Reward
Calculate risk per unit, reward per unit, and risk/reward ratio from entry, stop, target, and side.
tradingKelly Criterion
Calculate a simple Kelly fraction from assumed win rate and reward/risk ratio.
tradingATR Position Size
Estimate position size using account risk, ATR, ATR multiplier, and unit value.
tradingTick Size
Round a price to an exchange tick size using down, up, or nearest mode.
tradingStep Size
Round an order quantity to an exchange step size using down, up, or nearest mode.
tradingTradingView Alert
Parse TradingView webhook alert JSON or key=value content into formatted JSON.
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Disclaimer
This tool is for educational and development purposes only and is not financial advice.