himanshuj16/algo-trading-skills · skills/cross-validation-of-commission-schedules-over-time/SKILL.md

cross-validation-of-commission-schedules-over-time skillA

cross-validation-of-commission-schedules-over-time is agent-read markdown (skill) from himanshuj16/algo-trading-skills: Use when a multi-year US equity backtest applies today's zero commissions to trades from 2016; models the schedule that actually applied on each date. Volume-tiered rates belong to exchange-fee-tier-and-rebate-structure-analysis..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add himanshuj16/algo-trading-skills/cross-validation-of-commission-schedules-over-time@v2.0.0
Exact content
mdr add himanshuj16/algo-trading-skills/cross-validation-of-commission-schedules-over-time@sha256:36ff48ed1e09c5c3

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_7svdge3wagyxk5tr.svg)](https://markdownregistry.com/a/art_7svdge3wagyxk5tr)

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Versions

versioncommittedcommitsizeaudit
v2.0.0 latest2026-09-03 8527a51 6,459 BA view · diff
v2.0.02026-08-23 b680e6a 6,417 BA view · diff
v1.0.02026-08-07 89d1436 2,602 BA view · diff
v1.02026-07-30 dfc60c7 2,600 BA view · diff
v1.02026-07-25 7f38988 2,610 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (6459 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

himanshuj16/algo-trading-skills · 43 stars · license Apache-2.0 · pushed 2026-09-14 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_7svdge3wagyxk5tr
GET https://markdownregistry.com/api/v1/resolve?ref=himanshuj16/algo-trading-skills/cross-validation-of-commission-schedules-over-time
GET https://markdownregistry.com/api/v1/blob/36ff48ed1e09c5c3877c424f661ffd5f5f420e07d6b4255e8dda72d2773f47ca

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.