This English version is provided for convenience. In case of discrepancy, the Italian version prevails.

Cookie policy

Pursuant to art. 122 of Italian Legislative Decree 196/2003 and the Italian Data Protection Authority's Guidelines of 10 June 2021 · last updated: September 2026

What they are

Cookies are small text files that the site saves in your browser. Local storage (localStorage) performs a similar function, without sending data to the server with every request.

Which ones we use

NameWherePurposeDurationType
os_sessionapp.optionstreams.comRecognise the user after log-in30 daysTechnical, necessary
os_anonapp.optionstreams.comProtect the log-in and sign-up forms from forged submissions (CSRF)1 dayTechnical, necessary
os.cookie, optlab.*browser local storageRemember that you have read this policy and your preferences in the application (index, draft strategies)Until cleared from the browserTechnical

We do not use profiling, advertising or third-party cookies, nor analytics tools that identify the visitor. For this reason we do not ask for your consent: technical cookies are exempt under art. 122 of the Italian Privacy Code. The payment provider Stripe, during the payment phase on its own domain, may use technical and anti-fraud cookies in accordance with its own policy.

How to manage them

You can delete or block cookies from your browser settings. If you block technical cookies, access to the application does not work.

Data controller

Fabulous Instruments S.r.l., Via Mannino Cefaly 8, 95126 Catania (CT), Italy, VAT no. IT05179660872 — [email protected]. Full information in the Privacy policy.

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