VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Tuesday, October 28, 2025

Tool Comparison

Alpha Spread vs Main Street Data comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Alpha Spread adds Stock Ideas, Valuation Models, Analyst Price Targets, Portfolio, Alerts, News, and APIs & SDKs coverage that Main Street Data skips.

Main Street Data includes Data Visualizations, Calendar, and Interest Rates categories that Alpha Spread omits.

In depth comparison

Alpha Spread

alphaspread.com

Stock‑valuation platform centered on intrinsic value. Combines DCF and relative valuation into a scenario range (bear/base/bull), adds Wall Street estimates/targets, profitability & solvency scoring, a flexible screener (with alerts), watchlists, an investment journal, curated news, and side‑by‑side comparisons. Enterprise plan advertises API access (currently limited/waitlisted), with public self‑serve tiers Free, Premium, and Unlimited.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

Automatic intrinsic value from two methods (DCF + relative valuation) with bear/base/bull range; “valuation history” views.
Manual DCF with sensitivity analysis; separate discount‑rate (CAPM/WACC) calculator.
Stock screener with valuation, Wall St targets/estimates, profitability, solvency, dividend safety/shareholder yield; prebuilt screens (e.g., Magic Formula) and email screener alerts.
Watchlists plus targeted alerts: price/valuation thresholds, analyst price‑target changes, and insider activity.
Analyst section with price targets and forward estimates; earnings‑calls section; AI assistant for natural‑language summaries/questions.

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Main Street Data

mainstreetdata.com

Hands-on review

Visual-first stock research platform with two tiers: Starter (free) includes curated charts, 10 years of financials, basic charting, and an earnings calendar. The Plus plan ($468/year) adds a KPI library, 30+ years of financial data, advanced charting, company comparisons, call transcripts, analyst estimates, calendar sync, curated groups, and multiple watchlists.

Platforms

Web

Pricing

FreeSubscription

Quick highlights

Visual dashboards and customizable curated charts for listed companies.
Stock screener with simplified charting for fundamentals and performance.
KPI library with 1,100+ company-specific operating metrics, over 10 years of history, and updates within hours of earnings releases (with retroactive adjustments for reporting changes).
Standardized financials sourced from Finnhub (with Financial Modeling Prep referenced in pricing materials). KPI data comes directly from SEC filings and company reports.
Earnings calendar included in the free plan; calendar sync available in Plus.

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Where they differ

Alpha Spread

Distinct strengths include:

Stock Ideas Valuation Models Analyst Price Targets Portfolio Alerts News APIs & SDKs

Automatic intrinsic value from two methods (DCF + relative valuation) with bear/base/bull range; “valuation history” views.
Manual DCF with sensitivity analysis; separate discount‑rate (CAPM/WACC) calculator.
Stock screener with valuation, Wall St targets/estimates, profitability, solvency, dividend safety/shareholder yield; prebuilt screens (e.g., Magic Formula) and email screener alerts.
Watchlists plus targeted alerts: price/valuation thresholds, analyst price‑target changes, and insider activity.

Main Street Data

Distinct strengths include:

Data Visualizations Calendar Interest Rates

Visual dashboards and customizable curated charts for listed companies.
Stock screener with simplified charting for fundamentals and performance.
KPI library with 1,100+ company-specific operating metrics, over 10 years of history, and updates within hours of earnings releases (with retroactive adjustments for reporting changes).
Standardized financials sourced from Finnhub (with Financial Modeling Prep referenced in pricing materials). KPI data comes directly from SEC filings and company reports.

Feature-by-feature breakdown

Attribute	Alpha Spread	Main Street Data
Categories Which research workflows each platform targets	Shared: Screeners, Stock Comparison, Financials, Transcripts, Analyst Forecasts, Watchlist Unique: Stock Ideas, Valuation Models, Analyst Price Targets, Portfolio, Alerts, News, APIs & SDKs	Shared: Screeners, Stock Comparison, Financials, Transcripts, Analyst Forecasts, Watchlist Unique: Data Visualizations, Calendar, Interest Rates
Asset types Supported asset classes and universes	Stocks	Stocks
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, API	Web
Pricing High-level pricing models	Free, Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Automatic intrinsic value from two methods (DCF + relative valuation) with bear/base/bull range; “valuation history” views. Manual DCF with sensitivity analysis; separate discount‑rate (CAPM/WACC) calculator. Stock screener with valuation, Wall St targets/estimates, profitability, solvency, dividend safety/shareholder yield; prebuilt screens (e.g., Magic Formula) and email screener alerts. Watchlists plus targeted alerts: price/valuation thresholds, analyst price‑target changes, and insider activity. Analyst section with price targets and forward estimates; earnings‑calls section; AI assistant for natural‑language summaries/questions. Stock comparison for side‑by‑side analysis; curated market news stream; investment journal for notes.	Unique Visual dashboards and customizable curated charts for listed companies. Stock screener with simplified charting for fundamentals and performance. KPI library with 1,100+ company-specific operating metrics, over 10 years of history, and updates within hours of earnings releases (with retroactive adjustments for reporting changes). Standardized financials sourced from Finnhub (with Financial Modeling Prep referenced in pricing materials). KPI data comes directly from SEC filings and company reports. Earnings calendar included in the free plan; calendar sync available in Plus. Company comparison tools available in the Plus tier.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Yes
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Alpha Spread and Main Street Data both support?

Both platforms cover Screeners, Stock Comparison, Financials, Transcripts, Analyst Forecasts, and Watchlist workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Alpha Spread and Main Street Data require subscriptions?

Both Alpha Spread and Main Street Data keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Alpha Spread and Main Street Data?

Both Alpha Spread and Main Street Data prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

Alpha Spread differentiates itself with Automatic intrinsic value from two methods (DCF + relative valuation) with bear/base/bull range; “valuation history” views., Manual DCF with sensitivity analysis; separate discount‑rate (CAPM/WACC) calculator., and Stock screener with valuation, Wall St targets/estimates, profitability, solvency, dividend safety/shareholder yield; prebuilt screens (e.g., Magic Formula) and email screener alerts., whereas Main Street Data stands out for Visual dashboards and customizable curated charts for listed companies., Stock screener with simplified charting for fundamentals and performance., and KPI library with 1,100+ company-specific operating metrics, over 10 years of history, and updates within hours of earnings releases (with retroactive adjustments for reporting changes)..

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