Half up⬆▫Half Down⬇▫ The best way for me to get it right on my own hair is tons of dry shampoo for a nice gritty, dry texture at the roots and fine backbrushing with a boar hair bristle brush before tying it up.
Anyone with short or medium length hair knows that updos can be a big struggle, if not totally impossible. But leaving your hair down all the time? That gets boring fast. I recently chopped a few inches off of my longish hair for a lob with choppy ends.