The Capital Markets Board of Turkiye, known locally as the SPK and in English as the CMB, is the securities regulator. It authorises investment firms, supervises market infrastructure, oversees public offerings and collective investment schemes, and licenses the leveraged foreign exchange activity that Turkish intermediary institutions carry out. Retail leveraged FX is therefore a licensed activity in Turkey, but on terms that removed most of the business model the offshore industry had built there.
What the rules did
In 2017 the CMB imposed a sharp cut in the maximum leverage available to retail clients in leveraged FX transactions and set a minimum collateral amount for opening a position. The combined effect was to take an activity that had been sold on small deposits and large multiples and turn it into one that required real capital from the client. Volumes at licensed Turkish intermediaries fell heavily and a number of firms left the activity.
Two structural features matter as much as the numbers. First, only CMB-authorised intermediary institutions may offer the activity to clients in Turkey, and marketing or soliciting Turkish residents without that authorisation is treated as unauthorised capital markets activity. Second, Turkey has an established practice of blocking access to the websites of firms found to be offering investment services without authorisation, which is a supervisory tool that works on the funnel rather than on the balance sheet. A broker never has to be fined for its Turkish acquisition to stop working.
This is descriptive. Thresholds, leverage ratios and collateral minimums are set and revised by the CMB, and any firm considering Turkish clients needs current Turkish legal advice rather than a blog post.
The offshore workaround, and why it fails
The familiar plan is to hold a licence in a permissive jurisdiction, avoid a Turkish entity, and take clients who find you anyway. The plan runs into four separate walls, none of which is the CMB itself.
Payments come first. Accepting Turkish lira from Turkish cardholders means working with acquirers who have to answer for the merchant category and for the legality of the underlying activity, and a leveraged trading merchant with no local authorisation is a file most underwriters decline. Route the volume through an aggregator instead and you inherit the aggregator's exposure, which surfaces later as frozen settlements. Second, advertising. The major ad platforms operate financial services advertiser verification, and country level restrictions on trading and investment ads mean the campaign is refused before compliance ever sees it. We describe that mechanism in CFD marketing restrictions.
Third, access. Site blocking removes the landing page, and a firm that keeps rotating domains is documenting its own intent. Fourth, client outcome. A Turkish client with a complaint against an unauthorised offshore firm has no local recourse, which is the situation the regime exists to prevent, and firms serving that client base carry the reputational consequence when it goes wrong. If your business plan depends on soliciting clients where you are not permitted to, the plan has a failure mode rather than a risk, and our note on reverse solicitation explains why the doctrine is narrower than marketers want it to be.
Why the rule was written that way
The design of the Turkish restriction is worth understanding because other regulators have copied the logic. A leverage cap alone shifts client behaviour but leaves the acquisition funnel intact. A minimum collateral amount does something different: it removes the small-deposit client entirely, which is the segment where complaint volumes and total losses concentrate. Pairing the two changes who the product is sold to rather than only how it is sold.
The second design choice is enforcement through infrastructure. Rather than pursuing offshore entities through foreign courts, which is slow and often pointless, the authorities work on the channels: access to the site, access to the payment rail, access to advertising. Those channels sit with intermediaries who are themselves regulated and who comply quickly. A firm can win an argument about jurisdiction and still lose the market.
How this looks from the counterparty side
Counterparty diligence has caught up with jurisdiction risk in a way it had not a decade ago. A liquidity provider onboarding a broker asks which countries the client base sits in, not only where the entity is registered. Turkey appears on plenty of internal restricted lists for exactly this reason, alongside other markets where local law reserves the activity to locally licensed firms. A firm with heavy unlicensed exposure to a restricted market gets a smaller credit line, a higher margin requirement, or a decline.
Banks apply the same lens through their AML and sanctions frameworks. A country's standing in international assessments, currency controls and the practicalities of local settlement all feed the correspondent banking decision, and the article on FATF listings covers how those assessments transmit into account decisions. None of it is personal to your firm. It is a category judgement that your file has to argue against.
The route that does work
If Turkey is genuinely a target market, the route is a CMB-authorised intermediary institution, or a partnership with one, built around the leverage and collateral rules as they stand rather than around the ones you wish applied. That means a local entity, local capital, Turkish language documentation and reporting into the local system. It is a serious commitment and it makes sense only where the market is a strategic priority rather than one line in a country list. Firms that reach that conclusion often weigh the effort against a Gulf base and the regional client flows around it, which is where the UAE SCA licence and offices in Istanbul or Dubai enter the conversation.
SINGUARD builds software. It is not a broker, holds no licence, and takes no position on where any firm should be authorised.
"Turkey is the clearest lesson in the industry. A regulator does not need to fine you. It changes the leverage rule, the banks and the ad platforms follow, and the funnel dries up in a fortnight."
— Alex Onta, Executive Director, SINGUARD
Key Takeaways
- Leveraged FX for retail clients in Turkey is a CMB-licensed activity, restricted by a leverage cap and a minimum collateral rule since 2017.
- Only CMB-authorised intermediaries may market to Turkish residents, and site blocking is used against firms that solicit without authorisation.
- The offshore workaround fails on payments, ad platform verification, access blocking and client recourse, not on enforcement alone.
- Liquidity providers and banks assess where the client base sits, so unlicensed exposure to a restricted market shrinks your credit line.
Frequently Asked Questions
Can an offshore broker legally take Turkish clients?
Offering or marketing leveraged FX to residents of Turkey is reserved to CMB-authorised intermediary institutions, and doing so without authorisation is treated as unauthorised capital markets activity. Any firm considering Turkish clients needs current Turkish legal advice on its specific model.
What leverage is allowed for retail clients in Turkey?
The CMB set a low retail leverage cap for leveraged FX transactions along with a minimum collateral amount for opening positions. The exact figures are set by the regulator and revised over time, so check the current CMB rules rather than any secondary source.
Why do payments to offshore brokers fail for Turkish clients?
Acquirers underwrite by merchant category and by the legality of the underlying activity in the cardholder's country. A leveraged trading merchant serving a market where the activity is reserved to locally licensed firms is a file most underwriters decline, and aggregated volume tends to surface later as frozen settlement.
About the Author
Alex Onta is an Executive Director at SINGUARD. He built eTrader, the terminal, the mobile apps, eTrader Broker, Copytrading, Business and Community, along with the worldwide clustered-server infrastructure it all runs on, with his brother Roman Onta helping on the design, and he leads that division today. Together with Roman he builds the Prop Firm CRM, the Broker CRM, Scalegram and CopySignals, and the two of them carry worldwide compliance, payment processing and international business structuring side by side. He lives and works in Dubai for most of the year. Meet the executive duo leading Singuard's five divisions.