12 calculators · 6 workflows · 7 exchanges

Deterministic futures tools
calculators + workflows

Every formula is verified and normalized across 7 exchanges. Not estimates — exact numbers, every time.

Calculators

12 deterministic primitives — single-purpose, composable.

Trade Planning

pnl

Net PnL, ROE, fees for a futures trade

Best paired with: breakeven, target_exit, scenario

breakeven

Break-even price accounting for fees

Best paired with: pnl, target_exit

target_exit

Exit price to hit a target PnL or ROE

Best paired with: pnl, breakeven, scenario

position_sizer

Position size from balance and max risk %

Best paired with: liquidation, max_leverage

average_entry

Average entry price after DCA

Best paired with: liquidation, scenario

scenario

Multi-scenario P&L table across price targets

Best paired with: pnl, target_exit

Risk & Margin

liquidation

Liquidation price for long/short, cross or isolated

Best paired with: position_sizer, max_leverage, hedge_ratio

max_leverage

Max safe leverage given account size and volatility

Best paired with: liquidation, position_sizer

hedge_ratio

Short perp size to hedge a spot position including funding

Best paired with: liquidation

Funding & Carry

funding_cost

Cumulative funding cost over a holding period

Best paired with: compound_funding, funding_arb

funding_arb

Annualized funding arb yield between two exchanges

Best paired with: funding_cost, compound_funding

compound_funding

Compound funding cost with position size decay

Best paired with: funding_cost

Workflows

Composite tools that orchestrate multiple calculators in one call.

pre_trade_check

Pre-Trade Checkintegrated10 cr

Full pre-trade analysis: position size, liquidation, breakeven, funding cost, safety classification.

Orchestrates: position_sizer, breakeven, liquidation, funding_cost

→risk_reward

Risk / Rewardadvanced8 cr

R:R ratio, position size from stop+risk%, liquidation distance, breakeven, P&L at stop and target, verdict.

Orchestrates: position_sizer, liquidation, breakeven, pnl

→carry_trade

Carry Trade Setupadvanced8 cr

Delta-neutral carry yield, annualized ROI, breakeven days, net profit after transfer costs, verdict.

Orchestrates: funding_arb, compound_funding

→dca_entry

DCA Entrystandard5 cr

DCA across N price levels → average entry, total size, breakeven, per-level contribution weight.

Orchestrates: average_entry, breakeven

→scale_out

Scale-Out Plannerstandard5 cr

Partial exits at multiple levels → P&L per exit, cumulative P&L, weighted avg exit price, overall ROI.

Orchestrates: pnl

→funding_breakeven

Funding Breakevenstandard5 cr

Price move needed to cover funding cost + fees over a holding period.

Orchestrates: funding_cost, breakeven

→

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