MiniValuator vs OptionSpace

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

MiniValuator compared with OptionSpace
Detail	MiniValuator	OptionSpace
What it does	Stock intrinsic value and a clear verdict for US-listed stocks	Volatility data and research tools powered by a market-maker-grade fitting and pricing engine
Stage	Startup	Not given
Founded	2024	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free: 2 evaluations per new account, no login or subscription required. 2-pack: $2.99 for 2 evaluations that never expire. Monthly membership (Second Read): $15/month or $11/month founding rate locked in for life, includes 25 evaluations per month plus ongoing monitoring of saved stocks. Annual memb	Free sample plan with no card required. Retail subscription available for individual personal use in the United States with daily limits on API credits. Institutional plans available at contact pricing for any business use with annual licenses invoiced monthly via ACH or wire. Higher-frequency data
Key features	Price-to-earnings (PE) ratio analysis Sensitivity heatmap showing valuation across different assumptions Auto-fill fundamentals from financial filings Shareable valuation cards as PNG images Real-time calculation updates Multi-language support: English, Chinese, Japanese, Korean, Portuguese, Spanish, French, German Weekly email summaries of saved stocks Red flag detection for earnings quality and balance sheet risk	Fitted volatility surfaces with bid-ask-weighted curves across every expiration Accounts for American-style options with early exercise, discrete dividends, and implied borrow rates One-minute granularity historical data across 140+ symbols spanning 10 years Realized volatility calculations from 385 intraday returns per day Vol Screener, Vol Premium, Skew Scanner, and Earnings Vol analysis tools Historical simulation using actual bid-ask prices and fitted vol surfaces Python package for research workflows Interactive visual dashboards for surface inspection and event studies Model Context Protocol (MCP) integration for AI agent workflows Greeks and constant-maturity metrics via API and dashboards
What makes it different	Built by a former auditor trained to identify trustworthy financial statements Ongoing monitoring of saved stocks with plain-English updates when valuations change	Arbitrage-free fitted volatility wings extending beyond quoted book using Lee-moment discipline Accessible to quantitative researchers and AI workflows through Python, API, and MCP without requiring market-maker infrastructure 10 years of consistent historical data at one-minute granularity across 140+ symbols for rigorous backtesting
Community votes	0	0
DR (Domain Rating by Ahrefs)	28 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	28	0
Referring domains (Majestic)	117	0

5 details filled in for both companies.

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