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Comment by soVeryTired

3 years ago

I’m not going to argue that asset managers and trading desks have plenty of resources and that they can transact very quickly and cheaply. But having been on the inside of small and large asset managers for almost ten years, I can say there’s a lot of groupthink and rather brain dead behaviour to be seen on a trading floor.

Call me jaded but I’ve worked with both systematic and discretionary traders. The algos I’ve seen tend to be heavily overfit, and stop working as soon as they hit production. The discretionary traders usually have a tonne of gambler’s tics and have a bad habit of assigning narratives to market noise.

Most institutional traders aren’t the best in the universe. They just do dumb things faster and at bigger scale than day traders.

Indeed, institutional traders and asset managers are still the "buy side" and as such are not crazily more informed than retail.

The real sharks are on the sell side, using low-latency arbitrage and massive leverage, and have the ability to unwind risky positions over months. Fleecing buy side and retail is highly profitable for them.

In their defense of course they'll say they're "providing liquidity", and given how much buy side tends to pile up on one side of the trade, you can see their point: somebody's going to take the other side of these big moves.