20% to 50%
percentPremium selling
Premium Buying
Between -1% and +1% of your net liquid, Example if your net liquid s 100k, then you should have between 1k deltas or minus 1k deltas
low a number as possibe
0.2 and 0.5 percent of net liq.
daily value
so your can calculate your annual theta: 0.2 X 365 = %73