DJI index options strategy

Hi All ,
Assuming DJI index options are american settled :

Use following strategy :

Sell 249 strike 9 feb expiry option @2.4
Buy 250 strike 16 feb expiry option @ 3.22

Assuming american style option you can exit 16 feb option on 9 feb .
If not american style settled than above strategy of no use.
No over leverage , just buy 1 or 2 lot depending on your risk

Disclaimer:
Consult your financial advisor before taking trade , HIGH Risk of capital loss.