I made a good trade in the HTB (hard-to-borrow) du jour, Astrotech (ASTC), today. Borrow cost was 3.33 cents a share ($333 per 10,000 shares) … this is how I view Bookmap … basically it’s one-minute candles overlaid on the order book heatmap.

Make the video full screen and make sure you have 1080p HD quality playback. You should watch it at 2x fast forward, and pause it where you like. There is no sound. This is the first time I’ve made one of these, so I should get better if I make more in future.