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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
Short-premium setupsForecast batch: 8/17/26
Premium grade: 2026-08-18 05:05 UTC
KO's options are pricing more movement than its own realized range has been delivering. Sigmacast's calibrated band is sized from realized volatility and graded against every terminal close, with its containment rate audited across the last 15 forecasts. All three horizons are graded on the same premium scale — where each one landed is 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=+0.89), All Car Sales (r=+0.74), 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), Producer Price Index (r=-0.72), CPI Food at Home (r=-0.68)
As of August 18, 2026, KO is trading at 86.98. 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.
The Coca-Cola Company (KO) is a publicly traded stock covered by the Sigmanomics analytics platform. The KO stock closed at 86.9850 on August 17, 2026, reflecting a decline of 0.82% from the previous close of 87.7050. KO is listed on the VSE in Austria.
Over the past 30 days, the stock has experienced a modest uptrend with a rally of 3.56%, ranging between 80.8300 and 90.9200. The price currently trades above its 20-day moving average of 86.0800. The 14-day RSI stands at 57.4, in neutral territory, indicating balanced momentum.
Over the same 30-day window, daily-return volatility was 1.55%, reflecting typical price variability for this stock. Across the past 52 weeks, the stock has traded between 65.3538 and 90.9200, with the current price near the high end of that range.
Daily-return volatility of 1.55% is subdued for this stock, leaving recent ranges compressed — watch for a decisive break of the band as the more telling development. KO is currently trading 1.05% above its 20-day moving average and sitting in the upper portion of its 52-week range. Its 14-day RSI reads 57.4, 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.