Hacker News Reader

dmckinnoon On climbing the stat arb leaderboard, comparative advantage, and careers

Thanks! I'm glad that you enjoyed it.

dmckinnoon Wrecking sandwich traders for fun and profit

The author noticed that: 1/ Prices move after large trades are confirmed 2/ An variety of sandwich bots have sprung up to take advantage of this behavior by detecting the trade in the mempool (before confirmation), front running the trade with a buy order of their own, and posting a sell order for a profit after the large trade landed.

To profit from this exploitive behavior, he created a token that would trick sandwich traders into thinking a large trade was coming, but would keep their money when they tried to exit their position after the front run.

dmckinnoon Sony cameras can now be used as webcams for Mac

It is possible to use any camera that can display its FOV on a computer screen as we webcam with OBS and OBS-VirtualCam.

I've been using a Sony a6300 as a webcam for a few months now and it works great without any hardware beyond the USB cable between camera and computer.