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I downloaded it from here:https://github.com/bret-blackford/black-scholes

I want to find source code, preferred in java or c, that shows how to calculate option volatility and Greeks. any one knows where I can download?

I limit 5000 dollars for each China related stocks. They are gambling stocks with wild pump and dump like in a wild jungle with sec eyes closed on the obvious market manipulation

stock and option order

If you send thousands of small orders per day, you know what I mean.

Trade station charges 5 dollar minimum per each order. That is too high

It is so hard to find a good API for execution. For beginners, Rest is good. for advanced, FIX; for the middle, maybe grpc is a choice. all these are language agnostic, so every program can connect with api.

Can option be traded before 930am?

I love to hear stories

How many symbols can be streamed simultaneously?

Besides nasdaq, When do you have real-time nyse and arca imbalance data ?

If there is imbalance, regular order will participate in auction

what is 0dte trading? Day trading?

looking forward to it

thanks.

Just sent you private message.

I am also looking for such mini pb.

What is website of kcix?

do you have law degree?

0.2% per trade is reasonable