The Strangle is more profitable.
Using real quotes and common sense in selecting the strikes for the strangle and based on your 100 XYZ example and $5.00 debit for the straddle.
MSFT at $101.63
- MSFT July13 2018 100.00 call ask $3.25
- MSFT July13 2018 100.00 put ask $1.36
- Straddle Total Debit $4.61
- MSFT July13 2018 115.00 call ask $0.05
- MSFT July13 2018 85.00 put ask $0.08
- Strangle Total Debit $0.13
- MSFT to $149.00 right before expiration.
- Straddle: $49 ITM / $4.61 = 10X trade.
- Strangle: $34 ITM / $0.13 = 261X trade.