Strategy • 6 min read
Decoding Open Interest Buildup: Identifying Long Buildup, Short Covering, Long Unwinding & Short Buildup
Published on October 8, 2026 • By Market Structure Analyst
Price movement alone can be deceiving. The Price vs. Open Interest (OI) Quadrant reveals whether moves are backed by fresh institutional accumulation or transient short squeezes.
The 4 Quadrants
1. Long Buildup: Price ▲ + OI ▲ (Strong Bullish)
2. Short Covering: Price ▲ + OI ▼ (Transient Bullish)
3. Short Buildup: Price ▼ + OI ▲ (Strong Bearish)
4. Long Unwinding: Price ▼ + OI ▼ (Mild Bearish)