RE: Efficient Market?24 Feb 2021 11:28
MM’s will have a view on where stops might be, and they might (occasionally) probe at quiet times to test their hypotheses. But they absolutely do not access to data on where stop orders are on retail platforms. They can (obviously) see DMA orders, but then so can anyone who has L2 access.
To address a few recurring LSE myths:
- MM’s don’t “want your shares”, they want your trades because flow = money for them
- MM’s can’t “see your stops”, because this would be a breach of numerous regulations
- Your platform (assuming it’s one of the main retail ones) doesn’t lend your shares for shorting
- MM’s don’t control whether your trades are reported as buys or sells
- MM’s don’t use 1-share trades etc to signal to each other
I could go on, but that’s enough for now....