wash-sale-detection

Detect wash sales in cryptocurrency trades under 2025 US tax rules.

266|54|Updated Mar 11, 2026
One-click install
npx skills add https://github.com/agiprolabs/claude-trading-skills --skill wash-sale-detection
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: wash-sale-detection
Source: https://github.com/agiprolabs/claude-trading-skills/tree/main/skills/wash-sale-detection
Command: npx skills add https://github.com/agiprolabs/claude-trading-skills --skill wash-sale-detection

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps cryptocurrency traders comply with the new US wash sale tax rules (effective 2025) by identifying disallowed losses and tracking basis adjustments.

Core Features & Use Cases

  • Wash Sale Identification: Detects sales at a loss followed by repurchases within the 61-day window.
  • Basis Adjustment: Calculates the adjusted cost basis for replacement assets.
  • Safe Re-entry Countdown: Shows how many days remain until a token can be repurchased without triggering a wash sale.
  • Use Case: Before filing taxes, scan your entire trading history to quantify wash sale losses and ensure accurate reporting.

Quick Start

Use the wash_sale_detection skill to scan your trade history for wash sales.

Frequently Asked Questions about wash-sale-detection

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect crypto wash sales under the 2025 US tax rules?

Crypto wash sale detection identifies sales at a loss followed by repurchases within the 61-day window. This Skill scans your trade history to flag violations and calculate disallowed loss amounts for accurate tax reporting.

How do I calculate adjusted cost basis for replacement crypto assets?

Calculating adjusted cost basis for replacement assets requires tracking disallowed losses from wash sales. The Skill analyzes your trade history to adjust the cost basis of repurchased tokens automatically.

What format does my crypto trade history need for wash sale tracking?

Wash sale tracking requires trade history data in a structured format containing date, action, token, quantity, and price. This structured input allows the Skill to monitor the 61-day window and identify violations.

Can I see a safe re-entry countdown for tokens sold at a loss?

Safe re-entry countdowns show how many days remain until a token can be repurchased without triggering a wash sale. The Skill monitors the 61-day window for disallowed losses and provides this countdown.

How do I quantify disallowed losses from crypto tax loss harvesting?

Quantifying disallowed losses from tax loss harvesting involves scanning your entire trading history for wash sale violations. The Skill calculates the exact disallowed loss amounts and tracks basis adjustments for replacement tokens.

Does crypto wash sale detection work for high-frequency trading compliance?

Crypto wash sale detection supports trading compliance by analyzing trade history data to identify disallowed losses within the 61-day window. It processes structured trade logs to ensure accurate reporting for high-frequency activity.