Parity
usage: parity [-p] [-a] [-m MINIMUM] [-M MAXIMUM] [-h]
shows the parity for options. in theory a short plus a stock should equal a call plus a bond.
optional arguments:
-a, --ask uses ask price instead of lastPrice (default: False)
-p, --put shows puts instead of calls (default: False)
-m, --min the minimum strike price to be shown (default: None)
-M, --max the maximum strike price to be shown (default: None)
-h, --help show this help message (default: False)