Source: https://mochatrade.com/learn/glossary/short-interest

# Short interest
URL: https://mochatrade.com/learn/glossary/short-interest
Last modified: 2026-10-17

Short interest is the number of a stock's shares sold short and not yet bought back, published twice a month by FINRA. High short interest with few shares left to lend is the fuel for [a squeeze](https://mochatrade.com/learn/us-market-structure/who-moves-us-stocks); on a contract the [funding rate shows the same crowding live](https://mochatrade.com/learn/start-here/how-to-read-us-market-news).

## Related terms

- FINRA: https://mochatrade.com/learn/glossary/finra
- Funding rate: https://mochatrade.com/learn/glossary/funding-rate
- Hard to borrow: https://mochatrade.com/learn/glossary/hard-to-borrow
- Short selling: https://mochatrade.com/learn/glossary/short-selling
- Volume: https://mochatrade.com/learn/glossary/volume
- 13F filing: https://mochatrade.com/learn/glossary/13f-filing

Educational content only. Not investment advice. Leveraged products magnify losses as well as gains.