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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
Forecast batch: 9/14/26
Premium grade: 2026-09-15 05:07 UTC
SPGI's calibrated band puts the expected move at ±3.1% over 7 days, widening to ±7.3% over 28. Options screen fair at 7D and 14D while 28D screens cheap (VRP ≈ 0.91×). The 7-day range runs wider against the 28-day — the full term structure is mapped below.
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=+0.88), All Car Sales (r=+0.75), Labor Force Participation Rate (r=+0.73), Information Payrolls (r=+0.72), BoE Consumer Credit (r=+0.72)
Inversely correlated: Non Defense Goods Orders Ex Air (r=-0.89), Producer Price Index (r=-0.74), PCE Price Index MoM (r=-0.73)
As of September 15, 2026, SPGI is trading at 418.82. 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.
S&P Global Inc. (SPGI) is a publicly traded stock covered by the Sigmanomics analytics platform. The SPGI stock closed at 418.82 on September 14, 2026, reflecting a gain of 1.98% from the previous close of 410.69. SPGI is listed on the NEO in Canada.
Over the past 30 days, the stock has experienced a modest uptrend with a rally of 0.60%, ranging between 403.45 and 454.92. The price currently trades below its 20-day moving average of 429.59. The 14-day RSI stands at 45.8, in neutral territory, indicating balanced momentum.
Over the same 30-day window, daily-return volatility was 1.71%, reflecting typical price variability for this stock. Across the past 52 weeks, the stock has traded between 381.61 and 552.25, with the current price near the low end of that range.
Daily-return volatility of 1.71% 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. SPGI is currently trading 2.51% below its 20-day moving average and sitting in the lower portion of its 52-week range. Its 14-day RSI reads 45.8, currently in neutral territory.
Auto-generated from Sigmanomics market data. Last update Sep 2026.
Sigmacast forecasts span six horizons — 30-minute, 1-hour, 2-hour, 4-hour, 12-hour, and daily — refreshed continuously as new bars arrive.