Position size optimizer RNR_0

// 2. It is a bad strategy to concentrate bets since they drive the short position, which ultimately influences the whole book of trade.
// 3. Expect your short positions to get squeezed by at least 10% during the next five trading days.
// 4. When there are bear markets, the correlation goes to 1. Allow for the fact that both Longs and Shorts will go against you at the same time.
// 5. Unprofitable trades increase in magnitude rapidly.
// 6. Unlike in an up-trending market, there are no 2-3 wins. Winners shrink and contribute less. So, there is an opposite tendency toward oversized positions.
// 7. In contrast to a bull market, in contrast to the long. The winners shrink in size and contribute less. As a result, there is an inverse trend toward oversized positions.
// 9. The winners shrink in size, while the losers grow exponentially The challenge is to size positions in such a manner that they contribute favorably when successful but do not completely obliterate performance when unsuccessful.
Randomly select enter and exit
```
longCondition = bar_index % 33 == 0
if (longCondition and afterStartDate )
strategy.entry("buy", strategy.long, qty = qty)
shortCondition = bar_index % 44 == 0
if (shortCondition)
strategy.close("buy")
```
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Disclaimer
Invite-only script
Only users authorized by the author have access to this script, and this usually requires payment. You can add the script to your favorites, but you will only be able to use it after requesting permission and obtaining it from its author — learn more here. For more details, follow the author's instructions below or contact RomanoRnr directly.
TradingView does NOT recommend paying for or using a script unless you fully trust its author and understand how it works. You may also find free, open-source alternatives in our community scripts.
Author's instructions
Warning: please read our guide for invite-only scripts before requesting access.