SOYBEAN OIL SPECIALIST · Oilseed / Biofuel Economics
Z3230 – [BO] WTI Crude vs Biodiesel Parity Threshold
High WTI crude naively argues for bullish soybean oil via biofuel margins; empirically the 60-day BO response runs modestly bearish as high crude coincides with demand slowdown and mean-reversion.
At a glance
Current reading
+0.974
On the plus-or-minus one scale; WTI level vs 5-year rolling baseline.
Signal state
Extreme POS
Current state across the Low WTI / Normal / High WTI regime.
Phase duration
180 sessions
Consecutive trading days in the current phase.
Sample
36 years
Daily WTI crude level, 1990 onward.
As of Nov 03, 2026. Updated nightly.
SIGNAL OVERVIEW
Biodiesel and renewable diesel economics depend on crude oil price. When WTI trades above roughly $70 per barrel, biofuel refiners earn attractive margins blending soybean oil into the fuel pool, which naively argues for bullish BO. Below ~$70, biofuel economics compress and feedstock bidding slows.
The empirical 60-day pattern does not confirm the naive thesis. The regime table shows high-WTI extremes (Phase +1) running modestly below the baseline forward return; low-WTI extremes (Phase -1) running modestly above. The most likely explanation is that high crude often coincides with broader demand slowdown (recession risk, consumer stress, accelerated EV adoption) that offsets biofuel margin support, and that the composite reaching extreme positive triggers mean-reversion back toward baseline. Use as a crude-oil context overlay rather than a standalone directional trigger.
LIVE CHART
Thirty-six years of the WTI crude vs biodiesel parity threshold composite against CBOT Soybean Oil forward returns.
What the chart is showing. The dark line in the top panel is the WTI crude vs 5-year rolling baseline composite on a tanh-bounded plus-or-minus one scale — positive means WTI deeply above its 5-year average (above biodiesel parity), negative means WTI deeply below. The bronze line in the middle panel is the CBOT Soybean Oil front-month in cents per pound. The bottom panel tracks the 252-day rolling information coefficient between the composite and BO 60-day forward returns. Dashed horizontal lines mark the plus-or-minus 0.2 moderate and plus-or-minus 0.5 extreme thresholds.
COMPOSITE
+0.974 / tanh
STATE
Extreme POS
PHASE
+2.13
SAMPLE N
9,000+ days
TODAY’S PLAYBOOK READING
STATE
Extreme Pos
STATE AND HISTORY
Composite +0.974, state Extreme POS, 180 trading days running in the current phase. Per-state baselines in the regime table below.
THE BIODIESEL PARITY MECHANISM
Biodiesel and renewable diesel blenders earn attractive margins when WTI crude is above roughly $70/bbl, which naively supports soybean oil feedstock bidding. Below $70, biofuel economics compress. The parity threshold is the point at which blending margins turn positive, making the 5-year z-scored WTI level a reasonable proxy for biofuel-demand pricing pressure on BO.
HOW TO POSITION
The empirical 60-day BO response runs counter-naive — high WTI extremes precede modestly bearish BO, low WTI extremes precede modestly bullish BO. Likely driver is demand-side offset (high crude coincides with recession risk and consumer stress) plus composite mean-reversion from extreme readings. Pair with the Renewable Diesel Pull and Renewable Diesel Input signals for the direct biofuel-demand reads.
WHAT THE CHART SHOWS
The composite sits at +0.974. Signal state is Extreme POS, 180 trading days running. See the regime table below for per-state baselines.
TOP INPUTS FIRING
- Primary composite +0.974 State Extreme POS, 180 trading days running in the current phase.
- WTI crude level vs 5-year rolling baseline Daily WTI front-month z-scored on 1260-day window, tanh-bounded.
THE TAKEAWAY
What this means for you today
THE PARITY CALL
Composite +0.974, state Extreme POS, 180 trading days running. Current direction and per-state baselines are in the regime table below.
THE EMPIRICAL CONTEXT
Per-state forward returns show the counter-naive pattern — High WTI (Phase +1) precedes modestly bearish BO at 60 days, Low WTI (Phase -1) precedes modestly bullish BO. The composite is horizon-dependent; at longer horizons the direct biofuel-demand channel may dominate.
THE HONEST CAVEAT
The signal reads WTI crude level rather than direct biofuel margins or RVO policy; BO response to biodiesel demand is better captured via the direct Renewable Diesel Pull and Renewable Diesel Input signals. Use this WTI composite as context, not alpha.
THE REGIME MAP
The three WTI regime states, forward returns and sample share
Computed from the live window on CBOT Soybean Oil forward returns. Empirical direction is counter-naive — High WTI extremes coincide with modestly bearish BO returns.
| State | Phase | Share | Fwd 60d | HAC t | Edge vs baseline | Last firings |
|---|---|---|---|---|---|---|
| High WTI TODAY | +1 | 45.0% (4068 d) | +0.65% | -0.74pp | Feb 2026, Feb 2026, Feb 2026 | |
| Normal | 0 | 13.9% (1256 d) | +1.08% | -0.30pp | Feb 2026, Feb 2026, Feb 2026 | |
| Low WTI | -1 | 41.1% (3722 d) | +2.28% | +0.90pp | Jan 2026, Sep 2025, Sep 2025 |
The historical pattern
The signal across three decades of WTI vs biodiesel parity
What this measures
Biodiesel economics depend on crude oil price above roughly $70/bbl, but the empirical 60-day BO response runs opposite the naive supply thesis — high WTI coincides with demand-side offsets and composite mean-reversion. The composite reads WTI crude level, 5-year z-scored, tanh-bounded. State thresholds plus-or-minus 0.2 (moderate) and plus-or-minus 0.5 (extreme).
Why it matters
Why WTI reads biodiesel economics naively
Biodiesel and renewable diesel blenders earn margin by processing soybean oil (and other fats/oils) into fuel pool volumes under US RFS2 and California LCFS programs. Margin is primarily set by the spread between diesel fuel price (which tracks crude) and feedstock cost (soybean oil). When WTI is above roughly $70/bbl, diesel wholesale pricing supports positive blending margins, naively arguing for feedstock-bidding support on BO.
Why the empirical pattern is counter-naive
The data shows the opposite at 60 days. The most likely explanation is composite overlap — high WTI often coincides with broader demand concerns (recession risk, consumer stress, accelerated EV adoption) that offset biofuel margin support, and the composite reaching extreme positive triggers mean-reversion back toward baseline. Low WTI extremes often coincide with supply surplus that doesn’t directly transmit to BO through the biodiesel channel because biofuel mandates (RVO, LCFS) decouple feedstock bidding from pure crude economics.
How to use this signal today
Use as a WTI-level context overlay rather than a standalone directional BO trigger. For direct biodiesel demand-channel reads, pair with the BO Renewable Diesel Pull signal (direct demand-pull from RD production) and the BO Renewable Diesel Input signal (feedstock-mix read). The three together cover WTI context + direct demand + feedstock mix.
Signal consumers and siblings
Not investment advice · The analysis on this page is informational and educational. Signal readings, historical case figures, and empirical statistics are derived from publicly available data and are provided without warranty. Hypothetical performance results have inherent limitations, including the benefit of hindsight. Readers who intend to trade should consult a licensed investment professional and refer to the research brief for the full disclaimer.
Last refreshed Nov 04, 2026 09:11 PM ET