12 ms·
Sorry, this doesn't sound realistic (I work for a major HFT). Do you have evidence that someone net a billion in a year making a market on a single name? This
by hchz 6y ago
Sorry, this doesn't sound realistic (I work for a major HFT).
Do you have evidence that someone net a billion in a year making a market on a single name?
This seems to ignore that the effective bandwidth could be so low that the latency is greater than conventional transmission systems like RF. Since scintillation radiation detectors are highly stochastic compared to semiconductor RF receivers, I think it's probable it would take too long to receive the bit with sufficient confidence.
Scintillation detectors don't work like a solid state detector and have worse time characteristics.
- cbzoiav 6y agoIt doesn't need to be a single name. You can select the best target based on expected volatility/volume - for example around announcements. As long as both ends are synchronised ahead of time (which can be done over traditional networks). The other chain (https://news.ycombinator.com/item?id=23903796 https://news.ycombinator.com/item?id=23903796) suggested 100 bits per second with a 5% error rate. With the (major) assumptions on that error rate and that you can modify / detect the beam in realtime that gives you plenty to work with. Of course there is a massive difference between technically possible vs actually implementable.
- hchz 6y agoShow me a backtest with a switching rate this low, on any name you can arb between the NYSE/CME/... and JPX with this 7ms advantage and I would acknowledge this is implementable if the PnL and vols justify the opportunity cost. It’s a very cool idea but I’m skeptical that the market structure supports it.