Price increase + position increase = long position opening

Price increase + open interest decrease = short position closing

Price falls + OI (Open Interest) rises = short position opened

Falling price + falling open interest = liquidation of long positions

Why should we watch OI?

Casino rules: 10 people, 5 are long, 5 are short

The banker will eat both sides

If more than half of the people bet on one side, they will definitely eat up the majority.

If no one places a bet

That banker will attract people to place bets

How to attract people to bet?

A big positive line

Example: