PINE LIBRARY
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Vantage_PairedSizing

458
Vantage_PairedSizing — Position sizing for strategies that pair a primary trade with a recovery trade under a daily loss budget.

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WHAT IT DOES

Answers the question "how many contracts can I take on the primary trade so that, if it stops out, a correctly-sized recovery trade still fits within my daily loss limit?" The library scans candidate quantities top-down and returns the largest one whose worst case (primary stop + recovery stop) stays inside the budget, subject to one of four risk-reward modes.

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WHAT IT PROVIDES

A single entry-point auto-sizer that takes the primary leg's entry/stop/target, the recovery leg's entry/stop/target, a daily loss budget, and a sizing mode — and returns a result record with primary quantity, recovery quantity, per-leg dollar risk, worst-case dollar exposure, and net-if-recovery-wins. The scan falls through a mode ladder (MatchPrimaryProfit → MatchPct → NetGreen) and a no-recovery fallback before giving up, so callers get a usable answer in marginal cases instead of a flat rejection.

Four named sizing modes covering the common risk-reward shapes: largest size under a drawdown cap, largest size where the recovery win leaves the session net-green, largest size where the recovery win matches the primary's target profit, and a percentage variant of the match mode.

Two utility functions for the dollar math — risk and profit for a given quantity between two prices — so strategies don't have to redo the tick-size / point-value arithmetic themselves.

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HOW TO USE

A complete example call is in the comment block at the top of the source file — import the library, copy the pattern, plug in your primary and recovery price levels. Hover any exported type, enum, or function in the Pine Editor for per-parameter documentation.
릴리즈 노트
v2 - Added commission estimate
릴리즈 노트
allowed slippage option

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