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Sam Bourgi is an analyst, writer and financial market commentator featured in and cited by U.S. Congress, Department of Justice, Chicago Board Options Exchange, Barron's and Forbes. He covers stocks, bonds, mutual funds, ETFs, forex, Bitcoin, cryptocurrency, real estate and macroeconomics. He has written over 25,000 articles and over 40 whitepapers and e-books.
Sigmacast expected range · 7–28-day calibrated zone
Cheap vol watchForecast batch: 8/11/26
Premium grade: 2026-08-11 05:08 UTC
VMC's band is still building its audit record. Sigmacast's calibrated band is sized from realized volatility and graded against every terminal close as its audit record builds. Horizon grades appear as each one's history matures — current status is below.
Market-data read
VMC reads range-bound — no clean directional character at any horizon (ER 0.65 / 0.15 / 0.06). Recent action is directionless chop rather than a trend.
Nested 60 / 80 / 95 calibrated expected-range · centered on current price (gold tick)
Macro correlations · context (not confirmation)
8 correlated indicators
Observed historical correlations, not forward signals.
Positively correlated: Total Vehicle Sales (r=+0.89), All Car Sales (r=+0.74), Advance Retail Sales (r=+0.73), BoE Consumer Credit (r=+0.70)
Inversely correlated: Non Defense Goods Orders Ex Air (r=-0.92), PCE Price Index MoM (r=-0.86), Financial Activities Payrolls (r=-0.75), CPI Food at Home (r=-0.68)
As of August 12, 2026, VMC is trading at 287.83. Our multi-model Sigmanomics forecast for this stock generates expected price ranges (magnitude, not direction) across 7-day, 14-day, and 28-day horizons, each with a recent-path character readout. Based on ensemble models including SIGMACAST, Σ-Adaptive, and Σ-Trend with model-agreement confidence bands. Updated daily.
Containment = how often the band held (backtest) — magnitude only, not a directional record.
Forecasts generated by Sigmanomics engine. Not financial advice.
Market-data read
Vulcan Materials Company (VMC) is a publicly traded stock covered by the Sigmanomics analytics platform. The VMC stock closed at 287.83 on August 11, 2026, reflecting a gain of 0.87% from the previous close of 285.36. VMC is listed on the XSTU in Germany.
Over the past 30 days, the stock has experienced a modest downtrend with a decline of 2.40%, ranging between 266.68 and 306.98. The price currently trades above its 20-day moving average of 282.65. The 14-day RSI stands at 52.2, in neutral territory, indicating balanced momentum.
Over the same 30-day window, daily-return volatility was 2.05%, reflecting typical price variability for this stock. Across the past 52 weeks, the stock has traded between 252.35 and 331.09, with the current price near the midrange of that range.
Daily-return volatility of 2.05% runs elevated for this stock, so price ranges are likely to stay wide — watch how price behaves around its recent range rather than treating any single level as fixed. VMC is currently trading 1.83% above its 20-day moving average and sitting in the middle of its 52-week range. Its 14-day RSI reads 52.2, currently in neutral territory.
Auto-generated from Sigmanomics market data. Last update Aug 2026.
Sigmacast forecasts span six horizons — 30-minute, 1-hour, 2-hour, 4-hour, 12-hour, and daily — refreshed continuously as new bars arrive.