
Explains the prop firm consistency rule from the formula up: the difference between 20%/30%/40% thresholds, which firms use it, and lot-sizing and day-spreading techniques to avoid violating it.
![[2026 Edition] Prop Firm Taxes and Filing Guide for Japan: Covering the ¥1.04M Basic Deduction](/og/en/prop-firm-tax-guide-2026.png)
Is prop firm payout income classified as miscellaneous income or business income under Japanese tax law? Covers the ¥200,000 side-income filing threshold, the basic deduction for full-time traders (up to ¥1.04M confirmed for 2026), and expense claims, fully updated. Also covers automating your records.
![[Warning] Prop Firm Scams: How They Work and How to Spot Them | 5 Checks Learned from the MyForexFunds Case](/og/en/prop-firm-scam-checklist.png)
The MyForexFunds/MyFundedFX case wiped out over ¥800M. We break down the typical prop firm scam patterns and a 5-point checklist using Trustpilot, X, Reddit, and real payout data to spot them.

Is the prop firm pass rate really 5%? Using industry surveys and our real-user database, this article calculates pass rates by firm and by phase, and covers practical techniques for raising your first-attempt pass rate.
![[Latest 2026] Top 12 Prop Firms Ranked - A Complete Comparison for Japanese Traders](/og/en/prop-firm-ranking-2026.png)
An overall prop firm ranking calculated from real data across 18 firms. We rank the 12 firms Japanese traders should choose based on payout track record, difficulty, value, Japanese-language support, and EA policy.

A beginner's guide to how prop firms (proprietary trading firms) work, their pros and cons, and how to choose one.