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518 points bwfan123 | 1 comments | | HN request time: 0s | source
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monkeyelite ◴[] No.44483617[source]
The alternative claim - that large traders do not make decisions based on how their activity will move the market, is of course absurd.

It’s just political. Who is allowed to manipulate and who pays their dues to be able to.

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alephnerd ◴[] No.44483651[source]
Not really.

In this case it was Millenium ratting out on Jane Street (edit - other way around), but now the entire HFT (Edit: hedge funds. Thanks for the callout avvt4avaw) industry is under extreme scrutiny by SEBI as a result [0]

[0] - https://www.sebi.gov.in/enforcement/orders/jul-2025/interim-...

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monkeyelite ◴[] No.44483734[source]
I’m speaking broader than that. It’s impossible to move a lot of money without secondary effects. Any pretense that does not give you advantages is misleading.
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landl0rd ◴[] No.44483912[source]
Any pretense that does not give you disadvantages is misleading. Small shops and retail don't have to worry about e.g. slippage like the big guys do when taking positions. Big shops can work out custom instruments sometimes but on the other hand they also need them a lot more, as trying to pick up adequate hedging in derivatives mkts could wind up with yet more slippage. Etc.
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1. TacticalCoder ◴[] No.44484119[source]
Yup Jim Simons from the Renaissance hedge fund fame kept saying that: there are a shitload of (legal btw) strategies that do work with smallish amounts but they stop working once you get big.