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Futures & Options Quantitative Playbook

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Lesson 8/12/Futures & Options/Multi-Leg Strategies/Directional & Ratio Spreads14 min

Ratio Backspreads, Jade Lizards & Calendar Term-Structure Spreads

Futures & Options

Eliminating upside risk with Jade Lizards and exploiting horizontal Theta/Vega differentials with Calendar Spreads.

Key Topics & Tags
ratio spreadbackspreadjade lizardcalendar spreaddiagonal spread

Core Architecture & Intuition

Eliminating upside risk with Jade Lizards and exploiting horizontal Theta/Vega differentials with Calendar Spreads. Within the Futures & Options curriculum (Multi-Leg Strategies → Directional & Ratio Spreads), this topic establishes the concrete quantitative rules and execution mechanics required for live market deployment.

Professional desks never rely on ambiguous visual guesses for ratio spread. Instead, every entry, invalidation level, and risk parameter is defined mathematically before a single order reaches the exchange gateway.

Hover over key terms below for instant definitions: Ratio Spread, Backspread, and Jade Lizard. For the complete mathematical derivation and edge-case analysis, open .

0+P&L-P&LLong Put (22000 PE)Short Put (22200 PE)Short Call (22700 CE)Long Call (22900 CE)Max Profit Zone (+Theta, -Gamma) · Dashed Blue = T+0 Pre-Expiry Curve
Visual architecture for Ratio Backspreads, Jade Lizards & Calendar Term-Structure Spreads (Futures & Options / Multi-Leg Strategies / Directional & Ratio Spreads).
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Pro tip:Always validate ratio spread on closed bars and include realistic round-trip slippage + statutory taxes before deploying live capital.

Interactive Concept Breakdown

  • Ratio Spread — Core structural driver governing ratio backspreads, jade lizards & calendar term-structure spreads.
  • Backspread — Prevents premature entries and enforces mechanical discipline across Directional & Ratio Spreads.
  • Jade Lizard — Ensures worst-case scenario losses stay strictly within predetermined R-multiple budgets.

Step-by-Step Execution Protocol: Directional & Ratio Spreads

  1. 1
    1. Pre-Session Calibration & Regime Check
    Measure baseline volatility and liquidity parameters for ratio spread prior to market open.
  2. 2
    2. Mechanical Signal Confirmation
    Wait for a completed bar close confirming the backspread threshold—never pre-empt mid-candle.
  3. 3
    3. Risk-Normalized Sizing & Order Placement
    Compute exact lot quantity from the invalidation distance and dispatch via a Marketable Limit order.
  4. 4
    4. Post-Trade Telemetry & Audit
    Log arrival price, fill slippage, and MAE/MFE metrics against the Directional & Ratio Spreads benchmark.

Parameters, Rules & Reference Matrix

Parameter / RuleTypeDefaultDescription
primaryThreshold*floatCalibrated per ATRCore quantitative trigger governing Ratio Backspreads, Jade Lizards & Calendar Term-Structure Spreads.
confirmationWindowbars1 closed barRequires full bar closure to eliminate intrabar repainting.
maxRiskAllocation% equity0.5% - 1.0%Maximum capital at risk if invalidation level is hit.

Implementation & Quantitative Model

jade-lizard-check.ts
export function isZeroUpsideRiskJadeLizard(shortPutPrem: number, shortCallPrem: number, longCallPrem: number, callSpreadWidth: number) {  const totalCredit = shortPutPrem + shortCallPrem - longCallPrem;  return { totalCredit, zeroUpsideRisk: totalCredit >= callSpreadWidth };}

Desk Verification Checklist

Confirm before deploying live capital

  • Confirm Directional & Ratio Spreads regime alignment before enabling entries.
  • Verify candle closure beyond the trigger threshold (no intra-bar guessing).
  • Size position strictly from the distance to the structural invalidation point.

Cross-reference standard risk definitions such as drawdown, slippage, and when auditing your logs.

More in Directional & Ratio Spreads

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