Your threatened put
The roll you're considering
If I take the shares now
Effective price per share—
Against today's share price—
Cash needed—
If I roll, then take the shares
Effective price per share—
Against today's share price—
Cash needed—
The roll itself
Net credit (or debit) for the roll—
Total, all contracts—
Net credit per extra day—
Change in effective price (roll vs now)—
Change in capital tied up—
How I read this:
Enter your figures.
"Effective price" is the strike minus all premium kept net of buyback costs. "If I roll, then take the shares" assumes you are assigned at the new strike at the new expiry. Rolling doesn't guarantee the stock recovers, and the shares could be worth less by then.
Related: When to roll: FAQ · Rolling options guide · Cost basis tracker