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   | TWO PILES TRADING |  
   | How would you like to trade like a liquidity pool without having to worry about external sellers?
Let us use USDT as the base currency. Both piles have to be things you want more of. Everyone
seems to want more USDT and more SOL.
So that is one of the two piles. When you start the two piles
they must be exactly the same to the penny. Say you have two piles of $10,000 or some other amount.
You start with $20,000 and buy $10,000 in SOL with the USDTs so they start more or less the same.
If the SOL only fills you with $9950, you take the $50 off the USDT pile so they remain exactly the same.
Then you pick a readjust percentage. With this much you could make it 2%. When one rises 2% above another
you sell half the difference and add it to the other pile. If the piles are $1,000 you might do the
adjustment at 5% and sell 2.5% and buy the other. 
 When SOL goes down, you need more SOL. When USDT goes down, you need more USDT. This is reasonable.
You should find that in this system both piles will tend to go up, because you have no one selling into
your liquidity. Just as in Book and Bank, you have to be ruthless with yourself and go by the formula.
If you need some of the money in the pile, take it out from both sides and go on, and leave it in balance.
If you want to add to your liquidity do the opposite.
 
 We can start with $10,000 on each side as the mathematics is easy. Here is a chart you can emulate to
keep track of your deposits, withdrawals, buys, and sells using this system. Using it, you are selling SOL
when it is going up, and buying it when it is going down. This is completely opposite to most crypto traders
who buy when it is high and then sell when it is low.
 
 | 
 
  | date | order | USDT | SOL | Δ | Δ % | > > > | P/L |  
  | 11/2/26 | Load | 20,000 | 0 | 0 | 0% | buy SOL | 0 |  
  | The trader loads the system with $20,000 and decides to buy SOL. |  
  | 11/2/26 | buy SOL | 10,000 | 9,950 | 50 | 0.5% | -50 | -50 |  
  | The trader spends $10,000 on SOL and gets $9,950 in SOL. A loss of $50 is recorded and it is decided to
remove $50 from the system to rebalance. |  
  | 11/2/26 | -50 | 9,950 | 9,950 | 0 | 0% | wait | -50 |  
  | The trader removes $50 from the system. The conversion loss of $50 is still recorded and the system is back in balance.
The $50 removed is not profit. It is return of capital, which is actually the first priority. The trader decides to wait. 
Now the game is on. |  
  | 11/5/26 | data | 9,950 | 10,160 | -210 | 2.1% | rebal | -50 |  
  | According to the data, SOL is up by 2.1%. The trader decides to rebalance. When the number in the Δ column is less than
zero, SOL has gone up. When it is a positive number, SOL has gone down. |  
  | 11/5/26 | rebal | 10,055 | 10,055 | 0 | 0% | wait | 60 |  
  | The trader buys $105 USDT (half the $210 in the line above) and rebalances. |  
  | 11/6/26 | data | 10,055 | 9,755 | 300 | -3% | rebal | 60 |  
  | According to the data, the value of the SOL pile is now 3% less than than the USDT pile. The trader did not act when it was
around 2%, as originally intended. |  
  | 11/6/26 | rebal | 9,905 | 9,905 | 0 | 0 | wait | -190 |  
  | The trader rebalances by buying $150 of SOL when it is cheaper. They actually have more SOL than before, and when it goes up
it will go up by more, or so the trader hopes. If they like SOL more than USDTs, they don't care too much. If SOL keeps
crashing in this scenario they will soon have a lot of SOL.  When the USDT is the King Dollar, use it to buy SOL. 
When it is not, reverse the trade. |  
  | 12/3/26 | data | 12,172 | 12,172 | 0 | 0 | -2,172 | 4,344 |  
  | About a month later, things have been going well, and the trader decides to withdraw half of their profit.
The profit was made, and it still remains there. Whether the trader left it in or took it out does not
affect the profit made. |  
  | 11/2/26 | -2172 | 11,086 | 11,086 | 0 | 0% | wait | 4,344 |  
  | It is not a fortune, but our trader has made positive cash flow. That could go to pay off debt if there is any.
They have however made a 21.72% return on their original $20,000. Not only that but they still have 10% more to
trade with than when they started. |  
 
 
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