Leverage & trading · 7 min read · Live · Binance only

How to read open interest and funding together

One-minute answer: Open interest tells you how much position value is still open. Funding tells you which side is paying to keep those positions open. Together they show when leverage is both large and lopsided.

What it actually means

One indicator without the other leaves a gap. High open interest can be balanced, while extreme funding can happen in a market with little total position value. The combination tells you both crowd size and crowd lean.

The highest-risk setup is often a fast-rising open-interest line with repeated funding bars on the same side. Many traders are entering similar leveraged bets and paying to keep them.

What to look for

OI high, funding near zero — A large amount of leverage is open, but the fee suggests the two sides are relatively balanced.
OI rising, funding strongly positive — A growing crowd of longs is paying shorts. A downward move can force many longs out together.
OI rising, funding strongly negative — A growing crowd of shorts is paying longs. An upward move can force a short squeeze.
OI drops after a price move — Position value was cleared. Check liquidations to see how much force-closing was recorded.

Worked example

If open interest climbs from $30 billion to $40 billion while funding stays at +0.05% every eight hours, the measured venue has more open leverage and longs are repeatedly paying. That is a crowded-long setup, not proof that price must fall.

What this cannot tell you

Both series are Binance only on this chart.
The open-interest archive is shorter than the funding archive, so long ranges can show funding bars before the line begins.
The combination shows pressure and crowding, not the trigger or exact timing of a reversal.

Data source

Binance futures open interest accumulated by SafuTrading plus Binance's published eight-hour funding settlements.

Open OI vs Funding — Binance open-interest line with actual eight-hour funding settlements.