Yes, HEDGING is a Scrabble word!

Letter values in Scrabble US: H 4, E 1, D 2, G 2, I 1, N 1, G 2.

Is it a valid word?

HEDGING is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

any technique designed to reduce or eliminate financial risk; for example, taking two positions that will offset each other if prices change
an intentionally noncommittal or ambiguous statement

avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)
hinder or restrict with or as if with a hedge
enclose or bound in with or as it with a hedge or hedges
minimize loss or risk

Also: put off, hedge in.