How do you actually know if a broker's spreads are real or just marketing when you're starting out?

I’m trying to open my first forex account and I keep seeing brokers advertising ‘tight spreads’ but I have no idea what that actually means in real money terms. I read that GlobeGain offers cashback rebates but I’m confused about how that factors into the real cost of trading.

Like, if one broker says 0.9 pips on EUR/USD and another says 1.5 pips, does the rebate make up the difference? Or am I just looking at this wrong?

Also, I’ve seen some posts mentioning that spreads blow up during news events. Is that something I should be testing before I fund an account, or is it just normal market behavior?

I want to do the math right before I commit real money. What’s the actual cost calculation I should be using when comparing brokers?

Calculate your real cost like this: spread plus commission minus rebate equals true cost per lot.

For EUR/USD, a 0.9 pip spread with no rebate often costs less than a 1.8 pip spread with a 0.5 pip rebate. The math seems obvious but most traders skip it.

Trade execution quality matters more than both though. A broker that slips you 1 pip on entry or exit costs more than any spread difference. Test several with small positions before committing real capital. Track your average entry and exit slippage over 20 trades to see the real picture.

News events spread widening is real but normal. Most brokers widen spreads during major data releases like NFP or central bank announcements.

The key is consistency. Some brokers recover quickly, others stay wide. You can test this with a demo account during an actual news event.

With GlobeGain rebates, you get back a percentage of your spread. So if you trade during high volatility with wider spreads, your rebate amount actually increases. That’s the real value of rebates for active traders.

Test spreads yourself during news with demo account first.