I Built My Own Crypto Signal Bot Instead of Paying $40/month — 35% Win Rate, Still Profitable

Disclaimer: This article is for educational purposes only. It does not constitute financial advice. Always do your own research and comply with your local regulations before trading. Crypto signal services charge $40-55/month. You open Telegram, get a daily "BUY" or "SELL", and hope for the best. Ask them how the signal is generated? Silence. Ask to see the backtest data? Nothing. I was already running a trading bot. Python, ccxt, the usual stack. One day I looked at the signals my bot was producing and thought — wait, this is a signal service. I just wasn't sending it anywhere. So I wired it up to Telegram. Total cost: $0. Win rate: 35%. And it's profitable. Here's how. Why I Built This I started with a simple EMA crossover bot trading BTC/USDT on Bitget. $33 starting capital. It worked, but I wanted to know if there was something better. So I built a backtesting engine and ran 50 strategies against 37 months of BTC/USDT daily data (Jan 2023 – Feb 2026). Every single result — Sharpe r