Download Opti5

Version for Windows 10 / 11 (64-bit).

Log in with your mobile number to download. New accounts get a free -day trial.
After the trial, choose a plan to keep using Opti5.

Install in four steps

Extract the zip. Right-click the downloaded file → Extract All… and choose a folder, for example your Desktop. Don't run it from inside the zip.
Start Opti5. Open the folder and double-click Login. A black window opens: keep it open while you use Opti5. Your browser opens http://127.0.0.1:5000 by itself.
Connect Zerodha. Log in with your own Zerodha account, as shown on the screen.
Sign in to Opti5 with the same mobile number you used on this website. Your trial or plan is already active.

If Windows shows a warning

"Windows protected your PC": click More info → Run anyway. This appears for new apps that aren't yet widely downloaded.
Windows Firewall asks about python.exe: click Allow. Opti5 runs a small local server on your own PC.

System requirements

ComputerWindows 10 or 11, 64-bit, 4 GB RAM or more BrowserGoogle Chrome or Microsoft Edge (latest) BrokerAn active Zerodha (Kite) account with F&O InternetA stable broadband or mobile connection (the app checks your plan online) Disk spaceAbout 300 MB, plus about 10 MB per trading day of saved history

Please check these requirements before buying.

Updating

New versions appear on My account. To update, download the new zip, close the black Opti5 window, and copy your old data folder into the new folder to keep your saved history.

Need help? Email or call .