All of this AMM talk on Twitter is highlighting just how little people understand about Impermanent Loss. Because of that I really feel it needs to be talk about so we can set the record straight.

Here we go https://abs.twimg.com/emoji/v2/... draggable="false" alt="🚀" title="Rakete" aria-label="Emoji: Rakete"> #DeFi #Ethereum #Trading $ETH
I am going to start this thread by saying... the term impermanent loss should NEVER have been created! Why? Because there is already a term for a pool that balances based on constant product. It& #39;s called... *drum roll* https://abs.twimg.com/emoji/v2/... draggable="false" alt="🥁" title="Drum" aria-label="Emoji: Drum"> Constant Mix Strategy!
Constant mix has been around for as long as trading strategies have existed. It is simply a strategy that keeps a constant weighting of each asset.

Yes, it& #39;s true. The math behind IL, profit and loss curve, everything about this is old news.
Here on investopedia you can see the infamous "Impermanent Loss vs buy-and-hold" chart, except it is referred to by its actual name, Constant Mix.
https://www.investopedia.com/articles/stocks/09/constant-mix-buy-hold.asp">https://www.investopedia.com/articles/...
People get IL wrong all the time. Things wrongly attributed to the IL (constant mix) include fee& #39;s, spread, block times (really? lol), price impacts, etc. None of that has anything to do with IL. IL is a formula with a known outcome independent all of those other things.
IL is an opportunity loss of doing 1 strategy vs. another. It& #39;s the outcome of mixed strategy vs buy-and-hold. But IL assumes you would buy and hold if not LP& #39;ing. That& #39;s a bad assumption. People can/will make a million different trading decisions if not LP& #39;ing.
If IL is an opportunity loss of doing strategy A vs strategy B then technically everything has IL. For example, In 2019 I bought a $10,000 PC. If I would have put that $10,000 in ETH I would have $40,000. Welp, $30,000 impermanent loss. https://abs.twimg.com/emoji/v2/... draggable="false" alt="🤷" title="Person shrugging" aria-label="Emoji: Person shrugging">
"But it& #39;s not permanent until you pull your liquidity". yeah... that has another term as well, called "Unrealized PnL" and applies to literally every type of 2-way trade, not just IL/LP& #39;ing.
So why would anyone be okay with a strategy that underperforms buy and hold in both directions... because profit is not the only parameter that matters in trading!

The other parameter is risk!
In a buy-and-hold as one asset outperforms the other the risk in one asset increases over the other. In a constant mix, the $ for $ volatility impact of each asset remains constant as the $ value of each asset also remain constant. CCPI is yet another strategy (for another day)
In summary:

-IL is a fancy term for constant-mix vs. buy and hold
-You can experience IL even if both assets significantly increase in price https://abs.twimg.com/emoji/v2/... draggable="false" alt="🤯" title="Explodierender Kopf" aria-label="Emoji: Explodierender Kopf">
-There is no way to prove someone would have "bought and held" which makes IL moot
-Mixed strategy has been used for ages and continues to be used by individuals, investment/insurance firms, etc. Particularly where targeting a specific Sharpe/risk-level is critical.
-Constant Mix is literally "buying low" and "selling high" which is the goal of many people.
-Many investors and investment firms employ Constant Mix in their stocks & bonds portfolios, and without incentive outside of the strategy itself! LP& #39;s on the other hand are paid trade fees on top of the strategy. We should feel so privileged!
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