What is Retroactive Rule Change?
A retroactive rule change is when a prop firm applies new rules to trades that occurred before the rule was announced, often voiding profits that were earned under the old rules. The practice is widely criticized and was a primary cause of the FundingTicks closure in January 2026. Retroactive changes violate the gharar principle in Islamic finance and represent a significant red flag for any prop firm. The most trustworthy firms grandfather existing traders under their original rules when policies change.
Key takeaways
When a firm applies new rules to past trades.
The most trustworthy firms grandfather existing traders under their original rules when policies change.
Retroactive changes violate the gharar principle in Islamic finance and represent a significant red flag for any prop firm.
Retroactive Rule Change vs. Gharar
Two terms that frequently get conflated. Here's how they actually differ.
Retroactive Rule ChangeIndustry Issues · ELITE
GhararIslamic Finance · ELITE
When a firm applies new rules to past trades.
Excessive uncertainty, prohibited in Islamic transactions.
Frequently asked questions
What is Retroactive Rule Change?
A retroactive rule change is when a prop firm applies new rules to trades that occurred before the rule was announced, often voiding profits that were earned under the old rules. The practice is widely criticized and was a primary cause of the FundingTicks closure in January 2026. Retroactive changes violate the gharar principle in Islamic finance and represent a significant red flag for any prop firm.
Why does Retroactive Rule Change matter for prop firm traders?
Retroactive Rule Change is one of the issues shaping the prop firm landscape in 2026. Understanding it helps you read trust signals and avoid firms heading for trouble before they make the news.
How is Retroactive Rule Change different from Gharar?
Retroactive Rule Change and Gharar are commonly confused. Retroactive Rule Change: When a firm applies new rules to past trades. Gharar, by contrast: Excessive uncertainty, prohibited in Islamic transactions.
What should traders watch out for with Retroactive Rule Change?
Retroactive changes violate the gharar principle in Islamic finance and represent a significant red flag for any prop firm. The most trustworthy firms grandfather existing traders under their original rules when policies change.