e.g. position sizing via stoploss distance requirement.py

import pxyq

ASSET = 'AUDCADc'
digits = int(pxyq.true_decimal_digits(ASSET))   # 5 decimal digits
ticksize = float(pxyq.true_tick_size(ASSET))    # 0.00001
risk_in_cash = 1.03                             # cash to risk
SL_Spread_Mul = 10                              # multiplier of spread
entry_price = 0.98434                           # buy the ask

# --- compute spread and stoploss distance ---
proxy_spread = int(pxyq.proxy_spread_in_pips(ASSET))  # 28 pips
spread_in_price = proxy_spread * ticksize
sl_distance = spread_in_price * SL_Spread_Mul

# stoploss price: for a buy, stoploss is below entry
stoploss_price = entry_price - sl_distance
print(f"Stoploss price: {stoploss_price:.{digits}f}")

# --- compute proxy-based values ---
proxy_sl_distance = float(pxyq.proxy_stoploss_distance_covering_1_cash(ASSET))
print(f"With a SL distance of {proxy_sl_distance:.{digits}f} which overs 1 cash")

sl_ratio = sl_distance / proxy_sl_distance
print(f"SL ratio: {sl_ratio:.2f}")

supposed_risk_cash = sl_ratio   # because proxy_sl_distance = 1 cash
print(f"Supposed risk cash: {supposed_risk_cash:.2f}")

proxy_lotsize = float(pxyq.proxy_lotsize_covering_1_cash(ASSET))  # 0.02
proxy_betsize = 1   # always 1 cash

# --- conditional logic for minimum lotsize ---
# Define the broker's minimum lot size (constant)
min_lotzie = 0.01

if supposed_risk_cash > risk_in_cash:
    # Use minimum lotsize
    lowest_lotsize = min_lotzie
    lowest_position = (lowest_lotsize / proxy_lotsize) * proxy_betsize
    position_in_trade = lowest_position * sl_ratio
    print(f"If risk is smaller than what it was supposed to (i.e. {supposed_risk_cash:.2f} > {risk_in_cash:.2f}) –> use minimum lot {lowest_lotsize}")
else:
    # Otherwise, use the original (calculated) position size
    # For example, position is directly proportional to sl_ratio
    position_in_trade = sl_ratio   # or any other logic you prefer

print(f"Then that makes our final position in trade: {position_in_trade:.2f} cash")

"""
# CLI output example

Stoploss price: 0.98154
With a SL distance of 0.00071 which overs 1 cash
SL ratio: 3.94
Supposed risk cash: 3.94
If risk is smaller than what it was supposed to (i.e. 3.94 > 1.03) –> use minimum lot 0.01
Then that makes our final position in trade: 1.97 cash
"""