How to get minimum trade amount

[lcdunne]

I'm trying to do a market buy/sell, and I need information on the minimum amount and to how many decimal places for a given symbol.

I can get the rounding precision as follows:

    symbol = 'BTCUSDT'
    SYMBOL_INFO = Client.get_symbol_info(symbol)
    PREC = SYMBOL_INFO['filters'][2]['stepSize'].find('1')-1

... but I'm not quite sure how to get the minimum trade order. As far as I'm aware it's 0.002 BTC, but I can't see anything in my SYMBOL_INFO that takes this value. I'd like to get this programmatically as I want to generalise to other symbols. Is there a way to do this?

Also, I know this is not a bug but I wasn't sure where else to post for support - is there somewhere specific to post other than here? Would be great to know.

[pplonski]

I'm using the following function:

def get_round_precision(market):
    info = binance_client.get_symbol_info(market)
    f = [i["stepSize"] for i in info["filters"] if i["filterType"] == "LOT_SIZE"][0]
    prec = 0
    for i in range(10):
        if f[i] == "1":
            break
        if f[i] == ".":
            continue
        else:
            prec += 1
    return prec

[hamishakl]

@lcdunne did you ever manage to figure this out? I've been currently bashing my head against the wall trying to figure it out 😂

[amaye15]

Any update, still can't seem to figure out the minimum trade possible...

[angiopteris]

I guess the solution for your problem will be close to this, then make the exchange rate operation to whatever currency of your interest to have min transaction amount
client.get_symbol_info('BTCUSDT') will get you a json object where you'll find the desired info
You could access it with dict the dict key 'filters'

filters = client.get_symbol_info('BTCUSDT')["filters"]

for i in filters:
    if i["filterType"] == "PRICE_FILTER":
        print(i['minPrice'])