That's not how you do it. You use a Vectordatabase and a Retriever. This way, not all tokens of a document are used with the prompt, just the relevant parts will end up in the conversation / prompts. This way you save a lot of money and you are NOT limited to use GoogleAI - you can use whatever AI you want.
Can’t you pre-filter it with a vector lookup or something cheap first (gpt3.5?). Or even simply filter first by other things you are considering for the trading decision (price to earnings for example). That might save you a lot of cost.
if your not a survivor with the intention of finding each other and communicating, you should take dissahc out of your name and stop making these posts.
Setting the temperature lower than 0.9 means reducing the "creativity" and making it less prone to hallucinate.