The Christmas Eve session (a 1pm ET early close when it falls on a weekday) is among the quietest of the entire year — a ghost-town half-day at the tail of the holiday period, often inside the Santa Claus rally window. Liquidity is so thin that the dealer levels barely hold any real meaning.
The ghost-town tape
With nearly everyone off, volume can be a fraction of a normal day. As with the other holiday half-days, the dealer map loses reliability: levels aren't really being tested because there's almost no flow to test them, so a “hold” means little and a “break” can come from a single order. Price often just drifts sideways on minimal participation until the early close.
The seasonal quirk
Christmas Eve sits inside the historically-positive Santa Claus rally period, so there can be a mild upward drift — but on such thin volume, even that is more curiosity than tradeable edge. The tiny expected move reflects the expectation of near-nothing happening, and usually near-nothing does. The risk is the exception: a rare headline into an empty book can move price erratically with no liquidity to dampen it.
On Christmas Eve the levels are decorations, not structure. There's no one there to defend them — and no one there to trade against you if you need out.
The takeaway
Christmas Eve is the archetypal sit-out session: minimal edge, poor liquidity, wide spreads, and an early close. Most scalpers are better served closing the year's books and stepping away. If you do peek in, keep size tiny and expectations lower. The discipline of recognizing a no-edge day applies as much to a sleepy holiday as to a violent FOMC — both are days the market isn't offering your setup.