Collecting since Sat 14 Nov 14:19: 0.5 of the ~14 days the models need to settle. Price history is real already; demand, pricing and forecasts firm up as data comes in.
No recipes yet: they sync weekly from Blizzard's profession data.
Cost = materials at today's floor (v = not on the AH, priced at the vendor). Sells for = the crafted item's floor after the 5% cut. Gold/day = profit × how many sold per day lately (capped at 20): what you could make if you kept the market supplied. Recipes that make nothing sellable (most enchants) aren't listed.