WHSMACON
Apps, tools, and market data built from the primary public record.
Markets
Market data built from the primary public record — the SEC, the Clerk of the House, the CFTC — not resold from a vendor.
Insider Trading
Every Form 4 share purchase and sale filed with the SEC, linked to the original filing.
Congress Trading
Stock trades disclosed by members of the House under the STOCK Act.
COT Positioning
Weekly CFTC futures positioning — commercial hedgers against large speculators.
Trading Days & Closures
Count NYSE sessions between any two dates, and every closure since 1885.
Latest Filings
Straight off the wire — refreshed daily from the SEC and the Clerk of the House.
Insider Buys
Open-market purchases by officers and directors. Buying is the signal; selling rarely is.
| PRTS | Meniane DavidCEO | 36.6K | 2026-09-09 |
| PRTS | Huffaker MichaelCOO | 36.6K | 2026-09-09 |
| DY | Peyovich Daniel SPresident & CEO | 850 | 2026-09-09 |
| SLGL | Opaleye Management Inc. | 3.1K | 2026-09-09 |
| GME | Grube James | 10.3K | 2026-09-09 |
| LUCK | Shannon Thomas F.Chief Executive Officer | 30.0K | 2026-09-09 |
| ENHA | Apeiron Investment Group Ltd. | 99.3K | 2026-09-09 |
Congress Trades
House disclosures under the STOCK Act. Amounts are the filed bracket, never an exact figure.
| AEP | David J. Taylorpurchase | $1,001–$15,000 | 2026-08-26 |
| AEP | David J. Taylorpurchase | $1,001–$15,000 | 2026-08-26 |
| AMGN | David J. Taylorsale | $1,001–$15,000 | 2026-08-26 |
| AMGN | David J. Taylorsale | $1,001–$15,000 | 2026-08-26 |
| AVGO | David J. Taylorpurchase | $1,001–$15,000 | 2026-08-26 |
| AVGO | David J. Taylorpurchase | $1,001–$15,000 | 2026-08-26 |
| FITB | David J. Taylorpurchase | $1,001–$15,000 | 2026-08-26 |
Apps
DeadSpread
A music app for jam band fans, highlighting the Grateful Dead and Widespread Panic. iOS, Android, FireOS, Web.
legitWeather
A weather app with a map, daily and hourly forecasts, and saved locations. iOS, Android.
Tools
Base64 Encode/Decode
Convert text to and from Base64.
JSON Formatter
Format, minify, and validate JSON.
URL Encode/Decode
Encode and decode URLs.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512.
UUID Generator
Generate unique identifiers.
Password Generator
Create strong, random passwords.
Unix Timestamp
Convert between timestamps and dates.
Color Converter
Convert between HEX, RGB, HSL.
QR Code Generator
Create QR codes from text or URLs.
Text Diff
Compare two texts side by side.
Lorem Ipsum
Generate placeholder text.
Regex Tester
Test regular expressions live.
Image to Base64
Convert images to Base64 strings.
JWT Decoder
Decode JSON Web Tokens.
Cron Parser
Parse and explain cron expressions.
HTML Entities
Encode and decode HTML entities.
Markdown Preview
Preview Markdown as HTML.
Character Inspector
Find the invisible characters and lookalike letters breaking your text.
File Checksum
Verify a download's SHA-256 against the published value.
EXIF Viewer & Remover
See a photo's hidden metadata, including GPS location, then strip it.
File Type Identifier
Find out what a file really is, whatever the extension claims.
ZIP Inspector
List an archive's contents without extracting it.
PDF Version Converter
Convert PDFs between versions.
PDF to JPEG
Convert PDF pages to images.
Articles
View all articlesCommon Sources of Error in Trading Backtests
Survivorship bias, costs, lookahead, and overfitting.
Understanding Index Funds and ETFs
Two common types of pooled investment funds.
UUIDs Explained: Versions and Use Cases
How UUIDs are structured and the versions in use.
An Introduction to Hashing Algorithms
Cryptographic hash functions and their uses.
How to Read Your Raw DNA Data
Understanding raw files from consumer DNA tests.
Genetic Deep Dive Report
399 SNP variants across 23 categories.