12 CALCULATORS · 4 CRYPTO SPOT · 7 TIME VALUE · 8 WORKFLOWS · 4 MARKET STRUCTURE · 13 OPTIONS · 13 FOREX · 6 ON-CHAIN · 6 PREDICTION MARKETS · 14 RISK/STATS · 17 EXCHANGES

Deterministic trading tools futures, options, forex & more

Every formula is verified and normalized across 17 exchanges. Not estimates: exact numbers, every time.

Calculators

12 DETERMINISTIC PRIMITIVES: SINGLE-PURPOSE, COMPOSABLE

BY EXCHANGE

The same calculators, pre-filled with each exchange's real maker/taker fees and max leverage.

Workflows

COMPOSITE TOOLS THAT ORCHESTRATE MULTIPLE CALCULATORS IN ONE CALL

pre_trade_check
Pre-Trade CheckINTEGRATED
Full pre-trade analysis: position size, liquidation, breakeven, funding cost, safety classification.
Orchestrates: position_sizer, breakeven, liquidation, funding_cost
risk_reward
Risk / RewardADVANCED
R:R ratio, position size from stop+risk%, liquidation distance, breakeven, P&L at stop and target, verdict.
Orchestrates: position_sizer, liquidation, breakeven, pnl
portfolio_risk
Portfolio RiskADVANCED
Aggregate P&L, margin usage, and liquidation distance across every open position, linear positions summed in USD, inverse positions grouped by settlement coin.
Orchestrates: liquidation, pnl
carry_trade
Carry Trade SetupADVANCED
Delta-neutral carry yield, annualized ROI, breakeven days, net profit after transfer costs, verdict.
Orchestrates: funding_arb, compound_funding
dca_entry
DCA EntrySTANDARD
DCA across N price levels → average entry, total size, breakeven, per-level contribution weight.
Orchestrates: average_entry, breakeven
average_down
Should I Average Down?STANDARD
New average entry, liquidation, breakeven, and total risk before/after adding to a losing position, benchmarked against buying the same size fresh at today's price.
Orchestrates: average_entry, liquidation, breakeven, pnl
scale_out
Scale-Out PlannerSTANDARD
Partial exits at multiple levels → P&L per exit, cumulative P&L, weighted avg exit price, overall ROI.
Orchestrates: pnl
funding_breakeven
Funding BreakevenSTANDARD
Price move needed to cover funding cost + fees over a holding period.
Orchestrates: funding_cost, breakeven

Prediction Markets

LIVE PRICES FROM 5 VENUES · KALSHI, POLYMARKET, ADI PREDICTSTREET, LIMITLESS, MYRIAD

odds_probability_converter
Probability CalculatorSTANDARD
Converts a probability (manual, or pulled live from Kalshi, Polymarket, ADI Predictstreet, Limitless, or Myriad) into decimal/American odds and the breakeven win rate, plus the vig when a live market gives both sides of the price.
market_implied_odds
Market-Implied OddsSTANDARD
Reads Kalshi's live BTC/ETH year-end price ladder and reports what the market itself implies: median and mode price bucket, and probability at/above any real bucket boundary. No invented interpolation.
prediction_market_edge
Kelly CalculatorSTANDARD
Compares your own probability estimate against a Kalshi, Limitless, or Myriad market's price (manual or live) and sizes a bet with fractional Kelly: edge, expected value per dollar, and a capped recommended stake.
window_fair_value
Up/Down Fair ValueSTANDARD
Theoretical fair value for a time-windowed crypto up/down contract (ADI Predictstreet, Kalshi-style dailies) via the digital-option formula: for venues/windows with no live market price yet.
spread_reader
Spread CheckerSTANDARD
Reads the same real-world bet's live price from 2-5 venues at once (Kalshi, Polymarket, ADI Predictstreet, Limitless, Myriad) and reports the spread between the cheapest and most expensive. Never auto-matches events across venues; you supply each venue's own identifier.
cross_venue_arbitrage
Arbitrage CheckerSTANDARD
Checks 2-5 venue quotes (or manual probabilities) for the same bet for a guaranteed, direction-independent profit: buy Yes at the cheapest venue, No at the priciest, reports the guaranteed profit for a given stake and whether trading fees erase it.

Options

DERIBIT AND BINANCE, DETERMINISTIC PAYOFF & PRICING MATH

black_scholes_greeks
Black-Scholes CalculatorSTANDARD
Theoretical option price and Greeks (delta, gamma, theta, vega, rho) from Black-Scholes: manual inputs, or pulled live from a real Deribit (BTC/ETH, coin-settled) Binance (BTC, ETH, gold, silver, USDT-settled) or Bybit (BTC, ETH, USDT-settled) option to check whether its quoted mark price is consistent with its own implied volatility.
options_payoff_breakeven
Options Payoff CalculatorSTANDARD
Payoff, P&L, and breakeven price for a single-leg Deribit (coin-settled) or Binance (USDT-settled) option (long/short call/put) at any scenario price: pure settlement algebra matching how each venue actually settles.
straddle_strangle
Straddle & Strangle CalculatorSTANDARD
Combined payoff, both breakeven prices, and max loss/profit for a long or short Deribit (coin-settled) or Binance (USDT-settled) straddle or strangle: same convention as the single-leg payoff calculator, summed across both legs.
covered_call_protective_put
Covered Call & Protective Put CalculatorSTANDARD
Annualized yield (covered call) or insurance cost (protective put) plus position value at any scenario price, for coin held against a Deribit (coin-settled) or Binance (USDT-settled) option leg; on Deribit it accounts for the coin-denominated premium's effect on the cap/floor.
implied_volatility
Implied Volatility CalculatorSTANDARD
Solves for the volatility Black-Scholes needs to reproduce an observed option price: Newton-Raphson with a bisection fallback, and a no-arbitrage bounds check that refuses to solve an impossible price rather than return a garbage number.
spread_payoff
Spread & Iron Condor CalculatorSTANDARD
Payoff, breakeven(s), and max profit/loss for a vertical spread (2 legs) or iron condor/butterfly (4 legs): on Deribit (coin-settled) max profit/loss and breakevens are genuinely not the flat textbook values; Binance (USDT-settled) uses the flat textbook payoff.
barrier_touch
Barrier Touch CalculatorSTANDARD
Probability that price touches a target or stop level at any time within N days (geometric Brownian motion, reflection principle with drift), next to the probability of finishing beyond it: a touch is roughly twice as likely as a finish (exactly twice at zero log-drift), so pricing one with the other is off by about a factor of two. Continuous monitoring, 365-day year, constant volatility.
american_option
American Option CalculatorSTANDARD
American put or call price on a Cox-Ross-Rubinstein binomial tree (50 to 2000 steps) with a continuous dividend yield: delta, gamma, theta per day, an exercise-now flag, the European Black-Scholes price beside it and the tree error at the chosen step count. For stock and ETF style options that can be exercised early.
option_greeks
Option Greeks CalculatorSTANDARD
First and second order Greeks of a European option with a dividend yield: delta, gamma, vega, theta, rho, vanna, vomma, charm, veta, speed, zomma and color, each with a one-line explanation. Checked against QuantLib and 100-digit differentiation on 1000 random options.
options_position
Options Profit CalculatorSTANDARD
Profit and loss at expiry for a stock, ETF or index option position of 1 to 4 legs, in dollars with the 100-share contract multiplier: breakeven prices, max profit and max loss (or unlimited), net debit or credit, with presets for spreads, iron condor, iron butterfly, straddle, strangle and covered call. Prices are the ones you type; nothing is fetched.
strategy_picker
Options Strategy PickerSTANDARD
Ranks option strategies (spreads, straddle, strangle, butterfly, iron condor, covered call, protective put and more) for your price forecast and your view on volatility: expected profit, probability of profit, max loss and breakevens for the best strikes of each, priced with Black-Scholes at one implied volatility. Nothing is fetched.
max_pain
Max Pain CalculatorSTANDARD
The strike where holders of all calls and puts of one expiry would be paid the least, from the live open interest of Deribit (BTC, ETH, coin-settled), Binance (BTC, ETH, gold, silver) or Bybit (BTC, ETH), or from open interest you type: the payout at every strike, the put/call open-interest ratio and the distance from the price today. A descriptive statistic of open positions, not a forecast.
cash_secured_put
Cash-Secured Put CalculatorSTANDARD
Premium income, cash held, return for the period and per year, the effective buy price if the shares are assigned, the breakeven and the loss below it for a put sold against cash on a stock or ETF, in dollars with 100-share contracts. Optional comparison with buying the shares now. Prices are the ones you type; nothing is fetched.

Forex

PIP/LOT MATH, QUOTE-CURRENCY DENOMINATED, NO LIVE FX RATE NEEDED YET

forex_pip_value
Pip Value CalculatorSTANDARD
Value of 1 pip for a given pair and position size, in that pair's own quote currency: universal pip-size convention (0.0001, or 0.01 for JPY pairs), no live data needed.
forex_margin_level
Margin Level CalculatorSTANDARD
Free margin and margin level % from account equity and used margin: the same stop-out proximity metric every forex platform shows, computed directly.
forex_breakeven
Breakeven CalculatorSTANDARD
Breakeven price accounting for spread and round-trip commission, in pips and in price: commission-in-pips is position-size invariant by construction, not just asserted.
forex_pnl
PnL CalculatorSTANDARD
Profit or loss for a closed or hypothetical forex trade, in pips and in the pair's own quote currency, long or short.
forex_risk_reward
Risk/Reward CalculatorSTANDARD
Risk and reward distance in pips from entry/stop/target, and the resulting ratio: a raw number, not a verdict.
forex_scenario
Scenario CalculatorSTANDARD
PnL across a range of hypothetical price moves (in pips), long or short, for a single position size.
forex_average_entry
Average Entry CalculatorSTANDARD
Size-weighted average entry price across multiple fills: plain arithmetic mean, since forex has no coin-margined analog requiring a harmonic mean.
forex_margin_required
Margin Required CalculatorSTANDARD
Notional and margin required for a position, in the pair's own quote currency or converted to your account currency via a live FX rate.
forex_currency_converter
Currency ConverterSTANDARD
Converts an amount between currencies using a live FX rate: TrueFX for its 10 major pairs, frankfurter.app daily rate as the fallback.
forex_position_size
Position Size CalculatorSTANDARD
Position size in lots from a risk amount and stop distance, sized in your account currency via a live FX rate.
forex_swap_cost
Swap / Rollover CalculatorSTANDARD
Total swap/rollover cost for holding a position overnight, from your broker's own swap rate, optionally converted to your account currency.
forex_correlation
Correlation CalculatorSTANDARD
Correlation coefficient and minimum-variance hedge ratio between two currency pairs, from live historical daily rates.
fibonacci_levels
Fibonacci Retracement CalculatorSTANDARD
Fibonacci retracement and extension prices from a swing high and low, up or down, for any asset: the levels as prices to mark on a chart, a charting convention and not a forecast.

Risk/Stats

VAR/CVAR, SHARPE+LO CORRECTION, HURST, COINTEGRATION, TEARSHEET

var_cvar
VaR / CVaR CalculatorSTANDARD
Parametric Value at Risk and Conditional VaR (Expected Shortfall) from a return series or a direct mean/stdev, at any confidence level, plus a skew/kurtosis-aware Modified (Cornish-Fisher) VaR.
sharpe_stats
Sharpe Ratio CalculatorADVANCED
Sharpe ratio with the Lo (2002) serial-correlation-aware annualization correction (not just the naive sqrt(q) scaling), plus the Probabilistic Sharpe Ratio (Bailey & Lopez de Prado).
hurst_exponent
Hurst Exponent CalculatorADVANCED
Rescaled-range (R/S) Hurst exponent: is a return series trending/persistent (H>0.5), mean-reverting (H<0.5), or consistent with a random walk (H~0.5)?
cointegration
Cointegration TestADVANCED
Engle-Granger two-step cointegration test for a pair of price series: the standard pairs-trading signal, with the hedge ratio from the cointegrating regression.
tearsheet
Portfolio TearsheetADVANCED
Core risk/return tearsheet from a return series: annualized return/volatility, Sharpe (plain/Lo/Adjusted), Sortino, drawdown-ratio cluster (Ulcer/Martin, Pain, Burke, Omega-Sharpe, Upside Potential Ratio), skew/kurtosis, PSR, win rate.
garch
GARCH Volatility CalculatorADVANCED
GARCH(1,1) volatility model fit by maximum likelihood on a return series: estimates omega/alpha/beta persistence and forecasts next-period volatility.
risk_parity
Risk Parity CalculatorADVANCED
Risk-parity (equal or custom risk contribution) portfolio weights for N assets, from a covariance matrix or raw return series.
dsr
Deflated Sharpe Ratio CalculatorADVANCED
Deflated Sharpe Ratio (Bailey & Lopez de Prado): the Sharpe threshold the best of N tried strategy variants would clear by luck alone, corrected for correlated trials.
kelly_frontier
Kelly Growth-Security FrontierADVANCED
MacLean-Ziemba-Blazenko fractional-Kelly frontier: probability a strategy compounding at a fraction of full Kelly ever loses a given fraction of its starting capital, or the fraction that keeps that risk under a target.
unsmoothing
Return Unsmoothing CalculatorADVANCED
Getmansky-Lo-Makarov MA(2) smoothing index and Blundell-Ward AR(1) volatility inflation: how much is appraisal/stale-marking smoothing understating the true volatility of an illiquid asset's return series?
evt_tail_risk
EVT Tail Risk CalculatorADVANCED
Peaks-Over-Threshold Extreme Value Theory: fits a Generalized Pareto Distribution to the loss tail and extrapolates VaR/Expected Shortfall beyond it, without assuming a normal distribution.
monte_carlo
Monte Carlo Simulation CalculatorSTANDARD
Geometric Brownian motion over thousands of paths with a contribution or withdrawal every period: percentiles of the final value, probability of ending below what you put in, probability of running out, and a fan of bands over time.
event_study
Event Study CalculatorADVANCED
Is the return after your events different from the return after random dates? Effect against a placebo sample, Welch t-test, permutation p-value, cluster-robust p by ticker, and how much of the effect one event carries.
orderbook_impact
Order-Book Impact CalculatorADVANCED
Walk a supplied order book for a target notional (VWAP and price impact in bps) or solve for the max notional that stays inside an impact budget, via bisection.

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