1. Home
  2. Glossary
  3. Debit

Trading

Debit

Premium paid when buying

Updated Glossary

ApexVol Terminal

Options analytics, live.

Chains, IV rank, expected move and dealer positioning for 5,500+ US stocks and ETFs.

Start 7-day free trial Open the Terminal

Free on AAPL, no account. Trial: no charge if you cancel before it ends.

On this page
  1. Complete definition
  2. Keep reading

What is Debit?

Debit Money paid when opening a position. Debit spreads and long options require paying premium. Your debit is the maximum you can lose.

Complete definition

Money paid when opening a position. Debit spreads and long options require paying premium. Your debit is the maximum you can lose.

Related terms

ApexVol Terminal

Options analytics, live.

Chains, IV rank, expected move and dealer positioning for 5,500+ US stocks and ETFs.

  • Live chains and Greeks
  • IV rank and percentile
  • Expected move and GEX
  • Screener and strategy P&L
Start 7-day free trial Open the Terminal

Free on AAPL, no account. Trial: no charge if you cancel before it ends.

Try this with real market data. 5,500+ stocks, live options chains, IV analytics and P&L. 7-day free trial.

By Ryan Silk & Lawrence Polatchek Last reviewed . Methodology is published in full.

Keep reading

Learning centreEvery guide, ordered from first principles up. All glossary termsThe full dictionary, grouped by letter.

Know the term.
Now see it priced.

Every definition here is something the Terminal shows you live on a real chain — the Greeks, the surface, the flow. Run it on AAPL without an account.

Start free trial Create a free account

Real market data, not a sandbox. See it live on AAPL.