How Much of My Portfolio Should Be in Rain
Size your RAIN position based on your Focus score and custom bet size settings.
Rain Position Sizing
Rain is a decentralized options protocol built on Arbitrum. It enables anyone to create and trade custom markets without restrictions, offering a permissionless framework for prediction and options trading. Public markets are resolved using Olympus AI’s oracle agent, while private markets allow creators to act as resolvers. The protocol supports secondary trading, account abstraction for smoother user experience, and a deflationary token model where 2.5% of trading volume is allocated to buy and...
How Much Rain Should You Hold?
Determining the right Rain (RAIN) allocation is one of the most important investment decisions you'll make. Fundamentally helps you answer this question systematically using your own research and conviction, not generic recommendations.
Important: Fundamentally does not provide financial advice. We give you tools to determine position sizes based on your own evaluation. Your ideal allocation is driven by your Focus score—a reflection of your personal research and conviction.
How Focus-Based Allocation Works
- Evaluate Rain: Answer your custom Lens questions to generate a Focus score (0-100)
- Define Your Ranges: In Bet Size Manager, map Focus scores to portfolio percentages
- See Your Suggested Size: Your RAIN Focus score maps to a bet size range you defined
- Calculate Exact Amounts: Use Investment Calculator to determine how much to buy or sell
It's User-Driven
This system is empowering because you control every aspect. You create the questions, you answer them, you define the bet size ranges. Fundamentally simply connects your conviction to suggested allocation— helping you invest based on research, not emotion or hype.
How Fundamentally Helps Size Your Rain Position

Evaluate with Your Lens
Focus ScoreAnswer your custom Lens questions for Rain to generate a Focus score. This score represents your conviction in RAIN based on your own research criteria.
Set Your Bet Size Ranges
CustomizableIn Bet Size Manager, define what percentage of your portfolio each Focus score range should represent. For example, Focus 75-100 might map to 6-7% allocation.
Get Suggested Position Size
You DecideBased on your RAIN Focus score and bet size settings, Fundamentally suggests an allocation range. Use the Investment Calculator to determine exact amounts.
Focus Score
Your RAIN evaluation generates a 0-100 score based on your custom criteria.
Bet Size Manager
Define how Focus scores map to portfolio percentages for Rain.
Investment Calculator
Calculate exact RAIN amounts to buy or sell to reach your target allocation.
Concentration Signals
Get a signal when your Rain position exceeds your defined bet size range.
Frequently Asked Questions
Your Rain allocation depends on your Focus score. Evaluate RAIN with your Lens to generate a score, then the Bet Size Manager maps it to a portfolio percentage. As a established cryptocurrency, you might allocate differently than you would for smaller assets, but it's your rules, systematically applied.
DeFi tokens like Rain carry smart contract risk, so consider conservative sizing. Your RAIN bet size range should reflect both your Focus score and the additional risks inherent to DeFi protocols.
Size Your Rain Position with Confidence
Use your own research to determine allocation with Fundamentally's Focus-based tools.
