VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Saturday, November 1, 2025

Home My Collections

Tool Comparison

r/SecurityAnalysis — Letters Wiki vs U.S. Bureau of Labor Statistics (BLS) comparison

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

Quick takeaways

r/SecurityAnalysis — Letters Wiki adds Forums, Playbooks & Case Studies, and Newsletters coverage that U.S. Bureau of Labor Statistics (BLS) skips.

U.S. Bureau of Labor Statistics (BLS) includes Data APIs, Calendar, Inflation Rates, and Unemployment Rates categories that r/SecurityAnalysis — Letters Wiki omits.

U.S. Bureau of Labor Statistics (BLS) offers mobile access, which r/SecurityAnalysis — Letters Wiki skips.

In depth comparison

r/SecurityAnalysis — Letters Wiki logo

r/SecurityAnalysis — Letters Wiki

reddit.com

Community‑maintained directory of investor/fund letters and reports, organized by year/quarter. Publicly viewable; edits limited to approved contributors. Links out to original PDFs/posts on managers’ sites. No data feeds, APIs, or exports—pure research reading list.

Platforms

Web

Pricing

Free

Quick highlights

  • Chronological index of letters grouped by year and quarter (2016→present in the wiki).
  • Publicly readable wiki page with edit permissions restricted to approved users/moderators.
  • ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
  • Direct outbound links to the letters on manager sites; useful for primary-source research.

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet
View full profileVisit site
U.S. Bureau of Labor Statistics (BLS) logo

U.S. Bureau of Labor Statistics (BLS)

bls.gov

Primary U.S. source for official labor‑market, inflation and productivity statistics. Offers a free Public Data API (v2) with JSON/XLSX responses, extensive web data tools (Series Report, Top Picks, Data Finder), and an official release calendar with RSS/iCal. Coverage spans CPI/PPI/Import‑Export prices, Employment Situation (payrolls & unemployment rate), JOLTS, ECI, productivity, QCEW and more. Registered API users get higher limits and can request calculations and catalog metadata.

Platforms

WebAPIMobile

Pricing

Free

Quick highlights

  • Public Data API v2: JSON and Excel (.xlsx) output; single or batched series; optional calculations, annual averages, aspects & catalog metadata for registered users.
  • Usage limits (v2): up to 50 series per query, up to 20 years per query, ~50 requests per 10 seconds; daily cap 500 queries (registered) or 25 (unregistered).
  • Data Tools: Series Report (direct series ID lookup), Top Picks, One‑screen/Multi‑screen table builders, Data Finder, charts for news releases, CPI Inflation Calculator.
  • Official release schedules & feeds: per‑release pages (e.g., Employment Situation) show dates/times (typically 8:30 a.m. ET); global calendar with RSS and iCal (ICS) subscription.
  • Mobile: “BLS Local Data” app for iOS/Android surfaces local labor market stats (states, metros, counties) and includes QCEW content.

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet
View full profileVisit site

Where they differ

r/SecurityAnalysis — Letters Wiki

Distinct strengths include:

ForumsPlaybooks & Case StudiesNewsletters
  • Chronological index of letters grouped by year and quarter (2016→present in the wiki).
  • Publicly readable wiki page with edit permissions restricted to approved users/moderators.
  • ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
  • Direct outbound links to the letters on manager sites; useful for primary-source research.

U.S. Bureau of Labor Statistics (BLS)

Distinct strengths include:

Data APIsCalendarInflation RatesUnemployment Rates
  • Public Data API v2: JSON and Excel (.xlsx) output; single or batched series; optional calculations, annual averages, aspects & catalog metadata for registered users.
  • Usage limits (v2): up to 50 series per query, up to 20 years per query, ~50 requests per 10 seconds; daily cap 500 queries (registered) or 25 (unregistered).
  • Data Tools: Series Report (direct series ID lookup), Top Picks, One‑screen/Multi‑screen table builders, Data Finder, charts for news releases, CPI Inflation Calculator.
  • Official release schedules & feeds: per‑release pages (e.g., Employment Situation) show dates/times (typically 8:30 a.m. ET); global calendar with RSS and iCal (ICS) subscription.

Feature-by-feature breakdown

Attributer/SecurityAnalysis — Letters WikiU.S. Bureau of Labor Statistics (BLS)
Categories

Which research workflows each platform targets

Shared: Education

Unique: Forums, Playbooks & Case Studies, Newsletters

Shared: Education

Unique: Data APIs, Calendar, Inflation Rates, Unemployment Rates

Asset types

Supported asset classes and universes

Other

Other

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web, API, Mobile

Pricing

High-level pricing models

Free

Free

Key features

Core capabilities called out by each vendor

Unique

  • Chronological index of letters grouped by year and quarter (2016→present in the wiki).
  • Publicly readable wiki page with edit permissions restricted to approved users/moderators.
  • ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
  • Direct outbound links to the letters on manager sites; useful for primary-source research.

Unique

  • Public Data API v2: JSON and Excel (.xlsx) output; single or batched series; optional calculations, annual averages, aspects & catalog metadata for registered users.
  • Usage limits (v2): up to 50 series per query, up to 20 years per query, ~50 requests per 10 seconds; daily cap 500 queries (registered) or 25 (unregistered).
  • Data Tools: Series Report (direct series ID lookup), Top Picks, One‑screen/Multi‑screen table builders, Data Finder, charts for news releases, CPI Inflation Calculator.
  • Official release schedules & feeds: per‑release pages (e.g., Employment Situation) show dates/times (typically 8:30 a.m. ET); global calendar with RSS and iCal (ICS) subscription.
  • Mobile: “BLS Local Data” app for iOS/Android surfaces local labor market stats (states, metros, counties) and includes QCEW content.
  • Mission/authority & confidentiality: Principal U.S. fact‑finding agency for labor economics; data collected and protected under CIPSEA and other federal laws.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do r/SecurityAnalysis — Letters Wiki and U.S. Bureau of Labor Statistics (BLS) both support?

Both platforms cover Education workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do r/SecurityAnalysis — Letters Wiki and U.S. Bureau of Labor Statistics (BLS) require subscriptions?

Both r/SecurityAnalysis — Letters Wiki and U.S. Bureau of Labor Statistics (BLS) keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

U.S. Bureau of Labor Statistics (BLS) ships a dedicated mobile experience, while r/SecurityAnalysis — Letters Wiki focuses on web or desktop access.

What unique strengths set the two platforms apart?

r/SecurityAnalysis — Letters Wiki differentiates itself with Chronological index of letters grouped by year and quarter (2016→present in the wiki)., Publicly readable wiki page with edit permissions restricted to approved users/moderators., and ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch)., whereas U.S. Bureau of Labor Statistics (BLS) stands out for Public Data API v2: JSON and Excel (.xlsx) output; single or batched series; optional calculations, annual averages, aspects & catalog metadata for registered users., Usage limits (v2): up to 50 series per query, up to 20 years per query, ~50 requests per 10 seconds; daily cap 500 queries (registered) or 25 (unregistered)., and Data Tools: Series Report (direct series ID lookup), Top Picks, One‑screen/Multi‑screen table builders, Data Finder, charts for news releases, CPI Inflation Calculator..

Keep exploring

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.