OptionSpace vs InbestPlanners

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

OptionSpace compared with InbestPlanners
Detail	OptionSpace	InbestPlanners
What it does	Volatility data and research tools powered by a market-maker-grade fitting and pricing engine	Stock signals with entry, target and stop
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	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	Free plan with 6 daily signals (4 per day drawn randomly: 1 per method in Europe and 2 in US), limited access; Starter €9.99/month with all signals, conviction scores, and 15 markets; Professional €24.99/month with full signal analysis and unlimited alerts. Both paid plans include a 7-day free trial
Key features	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	1,700 stocks analyzed daily across 15 global markets Bounce strategy targeting +3% in ~10 sessions Impulse strategy targeting +10% over weeks Conviction Score from 0 to 100 for each signal Machine learning model analyzing 21 technical indicators Quality, Value, Technical and Dividend stock rankings Portfolio tracking with alerts and exit notifications Daily data updates after market close Public record of all closed signals with win/loss history
What makes it different	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	Public scoreboard tracking US Bounce signals with conviction 86+ against S&P 500 Free daily signals drawn randomly (not cherry-picked) viewable without account All closed trades publicly archived with no look-ahead bias Historical win rate and past trade count shown for each signal
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

5 details filled in for both companies.

More alternatives to OptionSpace More alternatives to InbestPlanners