Model any options trade and see what it is worth on every day between now and expiration, not just at the end. Free, no signup.
What the position is marked at on each date, across a range of stock prices. Expiration is the last column.
This calculator sizes a trade. Hourglass Trader's scanners find them: unusual $1M+ put sales, high return-on-risk setups, IV spikes, with a live portfolio you can watch. Start free.