lot-size-calculator.ex4
lot-size-calculator is a free MetaTrader 4 expert advisor file (.ex4, 8.3 KB) posted to the Free Forex Ex4 Ex5 Telegram channel on 12 August 2026. Tap Get file and Telegram opens on the exact post — the download button is on the message.
This file's name matches Lot Size Calculator MT4, a indicator published on the official MQL5 Market by Chi Hong Au Yeung, list price $30.00. Those details describe the official product — the file indexed here is whatever the channel posted, so its version and behaviour are unverified.
- Author
- Chi Hong Au Yeung
- MQL5 rating
- not rated yet
- List price
- $30.00
- Here
- Free
What the file name tells us about lot-size-calculator
Nothing here is a claim about performance — it is what the name itself indicates, plus the facts we hold about the file. Everything still needs demo testing.
How to install lot-size-calculator on MetaTrader 4
- Open the Telegram post via Get file and download
lot-size-calculator.ex4. - In MetaTrader 4: File → Open Data Folder → MQL4, then open Experts (for an EA) or Indicators (for an indicator).
- Copy
lot-size-calculator.ex4into that folder. - Back in MetaTrader 4, right-click the Navigator panel → Refresh (or restart the terminal).
- Drag it onto a chart, review the inputs, and switch on Algo Trading if it is an expert advisor.
- Run it on a demo account first and watch it for a few days before considering a live account.
Full walkthrough with folder table and common mistakes: how to install .ex4/.ex5 files · not trading? the usual fixes · how to test on demo.
Related free MT4 files
Posted the same day
Frequently asked questions
Is lot-size-calculator free?
Yes. lot-size-calculator was posted free in the Free Forex Ex4 Ex5 Telegram channel and metatraderea.shop simply indexes it. There is no sign-up, paywall or unlocking — the file sits on the Telegram post itself.
Is lot-size-calculator for MT4 or MT5?
lot-size-calculator is a MetaTrader 4 file (.ex4). .ex4 files run only in MetaTrader 4 — an MT4 file will not load in MT5 and vice-versa.
Where is the download button for lot-size-calculator?
Tap "Get file on Telegram" on this page. Telegram opens directly on the post (t.me/freeex4ex5/680); the download button is on the message. On desktop, open it in the Telegram app or Telegram Web.
Is lot-size-calculator tested or verified?
No. Files are shared exactly as the channel posted them — metatraderea.shop does not modify, backtest, verify or resell them. Always run it on a demo account first and read the risk disclaimer.