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Venue-Aware Position Sizing Assistant
Offer a software tool that converts exchange-level risks, drawdown tolerance, and historical crash scenarios into recommended position sizes and exposure caps. The core promise is helping traders answer whether a portfolio can survive a no-action gap, ADL event, or venue disruption before placing trades.
Why this matters
You may already cap leverage and monitor drawdown, but those controls do not tell you whether your position sizing survives the event you actually fear: a sudden gap, a liquidation cascade, or exchange-specific breakdown. The gap between a mathematically acceptable backtest and a survivable live portfolio is where many automated traders get hurt. Today, you often estimate this with rough heuristics and a few historical candles. A dedicated sizing assistant would turn your portfolio, venue, and stress assumptions into specific limits before trades are copied or opened. That makes sizing a first-class risk process rather than a vague setting buried inside the bot.
- · Built for Crypto systematic traders who already run their own signals but want disciplined sizing across leverage, margin, venue, and concentration constraints..
- · Most likely monetization: SaaS subscription.
The Pain · Narrative
You may already cap leverage and monitor drawdown, but those controls do not tell you whether your position sizing survives the event you actually fear: a sudden gap, a liquidation cascade, or exchange-specific breakdown. The gap between a mathematically acceptable backtest and a survivable live portfolio is where many automated traders get hurt. Today, you often estimate this with rough heuristics and a few historical candles. A dedicated sizing assistant would turn your portfolio, venue, and stress assumptions into specific limits before trades are copied or opened. That makes sizing a first-class risk process rather than a vague setting buried inside the bot.
Score Breakdown
Market Signal
Go-to-Market
Solo and small-team crypto quants using low-to-moderate leverage who want an external check on position size and venue concentration.
~15K-40K in the initial niche
r/<community> organic
$79/month
15 users upload portfolios or connect APIs and at least 5 adopt sizing recommendations in live automation within 30 days
MVP Scope · 1–2 weeks
- Design a sizing formula that combines drawdown tolerance, gross exposure, and venue caps
- Build input forms for open positions, leverage, margin rules, and user risk tolerance
- Add default stress presets for crashes, spread blowouts, and delayed exits
- Generate recommended max size per asset and total portfolio
- Launch a simple report page with pass or fail survivability output
- Connect one exchange API for automatic portfolio ingestion
- Add venue-specific risk overlays such as concentration caps and withdrawal-risk budgets
- Create an endpoint that returns recommended size before a bot opens a trade
- Implement historical scenario replay from major market selloffs
- Interview 10 users to compare tool recommendations against their current sizing rules
Differentiation
Why This Might Fail
Self-rebuttal — the most important trust signal
- 1Users may see sizing as common sense and underappreciate the value until after a loss, which makes sales harder.
- 2The best users may already have strong internal risk frameworks and only newer users may not pay enough.
- 3Without strong proof that recommendations improve survival without hurting returns too much, the product may feel restrictive.
Evidence Summary
How AI synthesized this insight — no verbatim quotes
Several comments shifted the conversation away from leverage labels and toward survivability. Participants discussed sizing for no-action gaps, monitoring margin and venue conditions automatically, and replaying liquidation cascades. The original poster also mentioned manual backtesting of drawdown and noted that tighter stops reduced recovery, which shows a real need for better position-sizing decisions rather than generic stop advice.
Action Plan
Validate this opportunity before writing code
Recommended Next Step
Build
Strong demand signals detected. Real pain, real willingness to pay — start building an MVP.
Landing Page Copy Kit
Ready-to-paste copy based on real Reddit community language — no editing required
Headline
Venue-Aware Position Sizing Assistant
Sub-headline
Offer a software tool that converts exchange-level risks, drawdown tolerance, and historical crash scenarios into recommended position sizes and exposure caps. The core promise is helping traders answer whether a portfolio can survive a no-action gap, ADL event, or venue disruption before placing trades.
Who It's For
For Crypto systematic traders who already run their own signals but want disciplined sizing across leverage, margin, venue, and concentration constraints.
Feature List
✓ Survivability-based size recommendations ✓ Venue-risk budgets and caps ✓ ADL and liquidation-cascade scenario scoring ✓ Drawdown-aware exposure planner ✓ Bot-readable sizing API
Where to Validate
Share your landing page in r/r/algotrading — that's exactly where these pain points were discovered.
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