The Nicky Henderson-trained gelding is the 8/13 favourite with Paddy Power to reclaim the title he won in 2023 after missing last year's race due to a respiratory infection.
The Willie Mullins-trained nine-year-old, a two-time winner of the race, is the 1/2 favourite with Paddy Power to secure a historic third consecutive victory.
Brighterdaysahead has been given the green light to tackle the Unibet Champion Hurdle to set up the biggest head-to-head of the Cheltenham Festival against 2023 winner Constitution Hill