It can.
It's not significant.
Here is snip from HCMC consulate
"2.6. Evidence of adequate finance
Showing transaction not less than 6 months
Minimum 20,000 Baht per person"
Think best advice given when you are aware of which consulate or embassy you will apply from.
Also will receive advice about other things, such as need for appointment, flights etc
You may be applying for eVisa.
Are you currently in Thailand?