Fixed rate rules fail in both directions. Setting a floor and a ceiling and letting the middle move with demand protects you from selling out too early and from sitting empty at an ambitious price.
Holiday pricing goes wrong in two symmetrical ways: sold out three weeks early at a rate that turned out to be far too low, or still half empty two days out at a rate nobody was ever going to pay. Both come from committing to a single number too early.
A fixed rate is a bet placed weeks before you have any information. Selling out very early is not a triumph — it usually means the market would have paid more, and you gave away the difference to whoever booked first. Sitting empty late is the same mistake in the other direction.
The information you actually need arrives gradually: how quickly the first rooms go, what nearby properties are doing, whether the holiday falls in a way that encourages a longer trip.
You do not need a revenue management system to do this. A simple comparison of sold percentage against time remaining is enough to make decisions that are better than a fixed rate.
A pricing plan is only as good as your ability to execute it. If changing a rate across five channels takes twenty minutes of manual work, you will not make the small frequent adjustments that this approach depends on — you will make one big change too late.
That is the quiet argument for a single calendar: not that it prices better, but that it makes good pricing cheap enough to actually do.