How to interpret open interest and price changes
You interpret open interest with price changes by comparing their directions over the same window. The four pairings show new longs, new shorts or closing.
Vahe HakobyanEditor-in-chief
Updated Oct 6, 20263 min readFact-checked
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Open interest is a count of contracts, not a dollar amount. You need a derivatives market page that shows open interest, and you pick one window to compare with price.
What open interest counts
Open interest is the number of crypto derivative contracts still open on an exchange. A contract stays in the count until the two sides close it or it settles. Trading volume counts contracts traded during a period. Market cap describes a spot asset, so neither volume nor market cap is open interest.
How do price and open interest move together?
Pick one window and use it for both numbers. Then compare the direction of the price change with the direction of the open interest change. The four pairings below show what each combination usually means.
- 1Compare price and open interestChoose a window, then note the price change and the open interest change over that same window.
- 2Read price up, OI upNew long positions are entering. Rising open interest alone does not say which side is in control.
- 3Read price down, OI upPrice fell while open interest rose, so new short positions are entering.
- 4Read price up, OI downPrice rose while open interest fell. That points to short covering or profit-taking, not new buying.
- 5Read price down, OI downPrice fell while open interest fell. That points to long liquidation or closing, not new selling.
After the signal: check and record
Funding rates and liquidation data show if a move is crowded or forced. On perpetual swaps, funding rates are periodic payments between long and short traders, and an extreme rate can show one side is crowded. Liquidation data shows positions closed by the exchange when margin runs out. Both change quickly, so an old reading can mislead you.
Frequently asked questions
Derivatives exchanges publish open interest and funding rates on their market pages. Data sites often combine several exchanges, so check more than one source.
Exchanges usually update open interest continuously or at short intervals. The figure covers only the contracts on that venue at that moment.
Use the same window for both numbers, such as one hour or one day. Match the window to your question, because a short window and a long window can show different combinations.
Both are crypto derivative contracts, so each open contract counts toward open interest. Perpetual swaps usually have no settlement date, while futures settle on a set date.
