Stock Calculator

What is Stock Calculator?

Stock Calculator is a handy tool that calculates the key metrics of your stock trades. It’s totally free.

How do I use the Stock Calculator?

Just enter the details of your stock purchases and sales, including the number of shares, commission fees, and your buy/sell prices, to see your net stock investment return and return percentage. If you haven’t closed this position yet, you may also see the average cost of your stock and unrealized gain and loss.

Who made this Stock Calculator?

A bunch of stock traders who’ve been trading US/HK/CA/JP stocks for decades.

What’s cool about this Stock Calculator?

• You can easily save and share your stock trades after calcuating the results.
• Like Bloomberg Terminal and many major stock-related apps, we offer a dark design by default to protect your eyes.
• We support many keyboard actions:
  1. s / S for Sell;
  2. b / B for Buy;
  3. Enter / Return for Stock Calculating.

List of cool trades

• Warren Buffet purchase Apple (Current price as of Jun 19, $131.56).
• Buy 10 bitcoin in early 2017 and sell 9 bitcoin on Nov 12, 2021 - On the very day, your position is...
• Buy 100 Tesla shares when the company announced “Model 3” in Feb 2017 and keep 10 shares on Jun 20, 2022
• Buy 10000 LUNA coin before its crash on May 9, 2022 and keep 10 LUNA on May 14, less than a week later.
• Invest $500 in Amazone on its IPO day and hold the position on Nov 19, 2021.