In horse racing, the starting price (SP) is the odds prevailing on a particular horse in the on-course fixed-odds betting market at the time a race begins.
Goodness, Jazzgirl!
Take my advice and stay well clear of betting.
Gambling is a mug's game!
Anyone who says they make a profit gambling is telling wee fibs!
No, I did not think you did, Jazzgirl.
You are too sensible for that!
I used the word "fib" and wondered at its origin?
Possibly from "fable", says Chambers.
Never knew that!