Physical Oil vs Financial Futures
There are two oil markets that usually move in lockstep but can violently diverge:
- Physical (spot) market — real barrels of oil being loaded onto real ships for delivery now. Priced by Dated Brent assessments.
- Futures (paper) market — financial contracts for future delivery traded on ICE and NYMEX. Priced by market expectations.
The difference between them is the physical premium:
Molecule Contagion: When Physics Beats Finance
The term "molecule contagion" was coined by Jeff Currie (Carlyle) to describe what happens when physical supply shortages propagate faster than financial markets can price them.
April 2026: The Extreme Case
Physical Brent cargoes traded above $124/bbl while June Brent futures traded near $95. A $29 physical premium — refiners were desperate for real barrels moving on real ships, regardless of what financial traders expected.
This divergence occurs because:
- Futures price expectations — traders believe the crisis will resolve, pricing in a return to normalcy
- Physical prices demand — refiners MUST have crude now to keep running, bidding up spot cargoes
- No arbitrage — you can't arbitrage the gap because you can't deliver a futures contract tomorrow
What the Premium Tells You
| Premium % | Signal | Market State |
|---|---|---|
| < 0% | Normal contango | Adequate supply, storage incentive |
| 0-5% | Normal backwardation | Slight near-term tightness |
| 5-15% | Elevated | Supply stress, physical buyers scrambling |
| > 15% | Extreme | Crisis — physical market disconnected from paper |
Regional Fragmentation
The 2026 crisis revealed that oil is not a single global market. While Brent spot hit $124, WTI in Oklahoma traded in the $90s. Oman crude in Asia fetched $150-160. The physical premium varies by region because logistics (ships, pipelines, port access) create real constraints.
Who Watches Physical Premiums?
Physical traders: The premium IS the opportunity — buying futures and selling physical, or vice versa, is the core of physical trading.
Risk managers: An elevated physical premium means hedges based on futures may not protect you. Basis risk between your actual procurement cost and your hedge increases.
Macro analysts: A sustained physical premium signals that the real economy is running hotter than financial markets believe.
Get Physical Premium Data via API
curl -H "Authorization: Token YOUR_KEY" \ "https://api.oilpriceapi.com/v1/spreads/physical-premium?commodity=BRENT" # Returns: premium ($/bbl), premium_pct, spot & futures components, # signal (normal/elevated/extreme), elevated_streak_days, percentile # Historical time series curl -H "Authorization: Token YOUR_KEY" \ "https://api.oilpriceapi.com/v1/spreads/physical-premium/historical?commodity=BRENT"
Available for Brent and WTI. Full API documentation.