Investor vs Master Password
Also known as: investor password, master password, read-only password, mt login passwords, investor (read-only) password
What is it?
Every MetaTrader account ships with two passwords that do very different jobs, and knowing the difference is what keeps your account safe when you let others see it. The master password is the keys to the car: anyone holding it can log in, place trades, close trades, and change settings, so you treat it like your most private credential and never hand it out. The investor password, also called the read-only password, is a viewing pass: whoever logs in with it can watch your balance, open positions and full trade history in real time, but the platform physically blocks them from opening or closing a single trade.
| Who logs in can… | 🔑 Master password | 👁️ Investor (read-only) |
|---|---|---|
| Log in to your account | Yes | Yes |
| View balance & open positions | Yes | Yes |
| See full trade history live | Yes | Yes |
| Open or close trades | Yes — full control | Blocked by the platform |
| Change account settings | Yes | No |
| Safe to share for verification | Never — hands over your money | Yes, then rotate it after |
Say a signal service or a friend asks to verify your results before you work together. Instead of trusting a screenshot that anyone can fake, you give them the investor password, they log into your MT4 or MT5 account in read-only mode, and they see exactly what happened without ever being able to touch your money. When the review is over you can rotate that investor password from inside the platform and the access is gone.
The common and costly mistake is mixing the two up and sharing the master password for a job that only needed viewing, which hands full trading control to someone you only meant to let look. A second pitfall is assuming the investor password is harmless to leak forever; it still exposes your private trading data and account size, so change it once a verification is finished rather than leaving it live.
Why it matters: Sharing the right password lets someone verify or monitor your account without ever being able to trade it, so you prove your record without surrendering control.
Sharing the wrong password gives a stranger full control to open and close trades on your live account.
Real-world example
To get verified by a copy-trade group, you send only the investor password, so they log into your MT5 account, confirm your 6-month history is real, and physically cannot place or close any trade with it.
How SignalBots handles it
When you connect a MetaTrader account through the SignalBots MT4/MT5 Connector, you control which password and permission level the link uses, so monitoring stays read-only and trading access is granted only when you choose it.
Pro tip
Only ever share the investor (read-only) password for monitoring or verification, and rotate it the moment the review is done.
Common pitfalls
Handing over the master password when the other person only needed to look, which gives them full power to trade and drain the account.
Frequently asked questions
What is the difference between the master and investor password?
The master password gives full control, including placing and closing trades and changing settings. The investor (read-only) password only lets someone view the account, balance and trade history, and never lets them trade.
Which password should I share to prove my results?
Share only the investor (read-only) password. The person can log in and see your real trade history live, but the platform stops them from opening or closing any trade.
Can someone trade my account with the investor password?
No. The investor password is read-only by design, so MetaTrader blocks any attempt to open or close trades. Only the master password can place trades.
How do I change my MetaTrader passwords?
Inside MT4 or MT5, open Tools then Options and the Server tab, choose to change password, and you can set the master and investor passwords separately. Rotate the investor password once a verification or monitoring period ends.
Is it safe to give out my investor password?
It is far safer than the master password because it cannot trade, but it still exposes your balance and trade history. Only share it when needed and change it afterwards.