TL;DR: Haruspex analysis on Tuesday, August 18, 2026, revealed 385 bullish signals across 513 stocks, highlighting a broad directional lean. Energy sector stalwarts MPC and VLO registered strong bullish market pressure, driven by sentiment and earnings intelligence. Traders should monitor follow-through in these core dimensions.
On Tuesday, August 18, 2026 ET, Haruspex identified a clear bullish directional pressure across the market. The platform's analysis of 513 stocks showed 385 distinct bullish signals, contrasting with only 4 bearish signals and 124 neutral positions.
This pronounced bias suggests underlying strength despite a mixed day for the broader S&P 500. The most compelling finding centers on the energy sector, where Marathon Petroleum Corporation (MPC) and Valero Energy Corporation (VLO) exhibited significant bullish pressure.
Their scores of 75.0 and 74.0 respectively placed them at the top of today's market scan. This indicates specific factors are driving upward price action for these names.
Macro Regime Monitor
The broader market showed signs of consolidation. The S&P 500 closed at 7745.06 [data: 2026-08-18 close], down 0.52% for the day. This modest dip occurred as the VIX, a measure of market volatility, settled at 15.79 [data: 2026-08-18 close].
Treasury yields remained elevated. The 10Y Treasury Yield stood at 4.74% [data: 2026-08-18 close]. Commodities saw mixed movement, with WTI Crude Oil priced at $84.35 [data: 2026-08-18 close].
The US Dollar Index (DXY) registered 99.63 [data: 2026-08-18 close]. These macro indicators frame the current trading environment.
| Metric | Current | Key Level |
|---|---|---|
| S&P 500 | 7745.06 | — |
| VIX | 15.79 | <18 (Low Volatility) |
| 10Y Treasury Yield | 4.74% | — |
| WTI Crude Oil | $84.35 | $80 (Support) |
| US Dollar Index (DXY) | 99.63 | 100 (Resistance) |
What Haruspex Detected Across Key Stocks
Why did energy stocks show strong bullish pressure today?
Haruspex data indicates specific, measurable factors driving significant bullish market pressure in energy names. The combination of strong algorithmic sentiment signals and robust earnings performance contributed to their elevated scores.
This multi-dimensional approach often reveals market-moving catalysts, identifying opportunities that a conventional single-factor screen might miss.
Marathon Petroleum Corporation (MPC) exhibited the strongest bullish pressure, scoring 75.0, a notable increase of 25.0 points. This directional signal was heavily influenced by the `sentiment` dimension, which registered a strong 70. The `microstructure` dimension at 66 and `competitors` dimension at 65 also contributed to this robust outlook.
MPC closed at $358.18 [data: 2026-08-18 close], up 0.78% today, near its 52-week high of $363.34.
Valero Energy Corporation (VLO) also registered substantial bullish pressure with a score of 74.0, up 4.0 points. The `earnings` dimension scored 70, driven by an EPS beat of 19.9% and a 30.5% year-over-year EPS growth. The `sentiment` dimension at 70 and `microstructure` at 66 further reinforced this signal.
VLO ended the day at $347.19 [data: 2026-08-18 close], a gain of 1.62%, nearing its 52-week high of $350.63.
The Boeing Company (BA) showed bullish pressure with a score of 72.0, an increase of 5.0 points. The `institutional` dimension scored 70, reflecting 77.0% institutional ownership across 3,158 institutions, with net institutional buying detected. `Sentiment` at 68 and `microstructure` at 66 also supported this directional move.
BA closed at $225.95 [data: 2026-08-18 close], down 2.47% for the day, yet maintained a strong bullish signal from institutional activity.
ASE Technology Holding Co., Ltd. (ASX) moved significantly with a score of 71.0, rising 21.0 points. The `earnings` dimension at 66, driven by a 20.3% EPS beat and strong_buy analyst consensus from one analyst, was a key factor. The `microstructure` and `short_interest` dimensions, both at 66, also contributed to the bullish signal.
ASX finished at $39.91 [data: 2026-08-18 close], up 0.94%.
RTX Corporation (RTX) also recorded bullish pressure at 71.0, up 5.0 points. This directional signal was strongly supported by the `sentiment` dimension at 70 and `earnings` at 68. The `microstructure` dimension scored 66, indicating balanced order flow but excellent liquidity.
RTX closed at $221.64 [data: 2026-08-18 close], down 0.60% for the day.
Acuity Inc. (AYI) scored 70.0, an increase of 11.0 points, indicating bullish pressure. The `institutional` dimension at 67 was a primary driver, with 103.0% institutional ownership detected across 832 institutions, along with net institutional buying. `Microstructure` at 66 and `earnings` at 65 also contributed to this signal.
What Haruspex Detected: A Multi-Dimensional View
The Haruspex platform evaluates market directional pressure using a range of specific analytical dimensions. For today's top movers, the `sentiment` dimension frequently registered high scores (70-72), indicating strong positive market perception captured by algorithmic analysis. This often precedes or accompanies upward price movements.
The `earnings` dimension played a crucial role for stocks like VLO and ASX, detecting significant EPS beats and positive growth trends that translated into bullish market pressure. Meanwhile, the `institutional` dimension, as seen with BA and AYI, identified substantial net buying by institutions, a classic sign of accumulation supporting price.
The `microstructure` dimension consistently scored in the 66 range for many top stocks. This indicates balanced order flow and good liquidity. While often a neutral-to-mixed signal, in conjunction with other strong bullish dimensions, it suggests a healthy trading environment capable of sustaining directional moves.
Regime Thresholds
The current bullish thesis for energy stocks largely holds under specific conditions. As long as WTI Crude Oil remains above $80, the sector enjoys a favorable pricing environment. A sustained move below $80 could introduce margin compression, challenging the current bullish pressure.
The overall market bullish sentiment is contingent on the VIX staying below 18, indicating controlled volatility. A persistent increase in the 10Y Treasury Yield significantly above 4.75% could tighten financial conditions, dampening growth prospects across several sectors.
A strong rally in the DXY beyond 100 could also create headwinds for export-oriented companies, potentially impacting global revenue streams.
Risk Factors
- Macroeconomic Headwinds: Persistent inflation and higher interest rates could impact consumer demand and corporate earnings, especially for rate-sensitive sectors. A global economic slowdown remains a key overhang for market growth.
- Geopolitical Instability: Escalations in geopolitical tensions, particularly in major oil-producing regions, could introduce supply shocks or demand destruction. This would directly affect energy prices and broader market sentiment.
- Sector-Specific Regulatory Changes: Energy companies, in particular, face ongoing scrutiny regarding environmental regulations. New policies could impact operational costs and future investment plans, introducing significant uncertainty.
What Would Change This View
- If the S&P 500 closes below its 50-day moving average for three consecutive trading sessions, the broad market bullish sentiment would likely be invalidated. This would signal a material shift in directional momentum.
- A significant downturn in WTI Crude Oil prices, specifically a close below $80 for a full week, would challenge the bullish pressure currently observed in energy stocks. This would impact their profitability metrics.
- Should the `institutional` or `sentiment` dimensions for leading stocks like MPC or VLO decline below 45 (neutral range) for two consecutive days, it would signal a material shift in their specific directional market pressure.
Market Outlook
Haruspex data for Tuesday, August 18, 2026, points to a market exhibiting focused bullish pressure despite broader market consolidation. The prevalence of strong `sentiment`, `earnings`, and `institutional` buying signals suggests specific sector and company-level catalysts are driving price action.
Energy stocks, notably MPC and VLO, stand out with pronounced bullish directional signals. The current macro backdrop, characterized by moderate volatility and elevated yields, necessitates careful monitoring.
Investors should observe if the identified bullish pressures extend beyond these specific names and sectors. The overall market remains attentive to earnings reports and institutional capital flows for continued directional cues in the coming sessions.
