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SPDR S&P 500 ETF — price level probabilities

How likely is SPY to reach each price level, and by when? Every figure below is derived from about two years of real daily price history — a volatility ensemble cross-checked against how often that move actually happened. No options data, no forecasts of direction.

Current price
773
SPY · SPDR S&P 500 ETF
Annualised vol
14.0%
Blended 20d, 90d & ATR estimate
Confidence
Medium
How closely the three vol estimates agree
Horizons
6
Today through year-end

Today

1 trading day(s) · sigma 0.9%
Price levelTouch oddsClose beyondHistoricalConfidence
7951.1%0.1%2.0%High
7902.5%0.7%3.6%High
7859.2%4.0%10.4%High
78030.3%15.4%29.9%High
775 · now
77071.6%32.8%77.8%Medium
76527.0%11.8%30.5%High
7607.7%2.7%10.0%High
7552.4%0.4%4.0%High

Tomorrow

2 trading day(s) · sigma 1.2%
Price levelTouch oddsClose beyondHistoricalConfidence
7953.0%1.2%3.6%High
7908.0%4.0%7.8%High
78520.2%10.8%18.7%High
78045.2%23.5%43.4%High
775 · now
77078.7%37.6%82.1%High
76541.3%20.1%42.6%High
76018.3%8.6%19.5%High
7557.2%2.9%8.6%High

This Week

5 trading day(s) · sigma 2.0%
Price levelTouch oddsClose beyondHistoricalConfidence
79514.1%7.7%12.7%High
79023.9%13.5%20.8%High
78540.8%21.7%38.2%High
78064.0%32.4%63.2%High
775 · now
77086.7%42.1%89.3%High
76558.6%29.8%57.6%High
76037.0%19.4%35.4%High
75522.8%11.5%22.6%High

This Month

21 trading day(s) · sigma 4.0%
Price levelTouch oddsClose beyondHistoricalConfidence
79548.7%24.3%48.6%High
79060.8%29.5%62.6%High
78572.6%35.1%74.9%High
78084.2%41.2%86.0%High
775 · now
77093.4%46.1%94.6%High
76579.0%39.8%78.5%High
76063.7%33.7%60.1%High
75550.8%27.9%45.7%Medium

This Quarter

63 trading day(s) · sigma 7.0%
Price levelTouch oddsClose beyondHistoricalConfidence
79573.6%34.4%78.5%High
79079.5%37.8%83.5%High
78586.5%41.3%90.4%High
78093.3%44.9%96.8%High
775 · now
77095.6%47.8%95.7%High
76584.3%44.1%80.5%High
76073.4%40.4%66.1%Medium
75564.9%36.8%56.3%Medium

Year-End

126 trading day(s) · sigma 9.9%
Price levelTouch oddsClose beyondHistoricalConfidence
79586.1%38.8%94.7%Medium
79089.4%41.3%96.3%Medium
78592.5%43.8%97.3%High
78096.2%46.4%99.7%High
775 · now
77096.8%48.4%96.8%High
76589.2%45.8%86.9%High
76081.7%43.2%77.0%High
75576.4%40.6%71.7%High
Explore this interactively →Drag the time horizon, hover the probability cone, and compare every level on the full Market Probability Map.

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How to read this

Touch odds vs. close beyond

Touch odds are the chance the price trades at that level at any point during the window — even for a moment. Close beyond is the narrower chance it actually finishes the window past that level. Touch is always the larger of the two.

Historical column

An independent sanity check: across roughly two years of real daily history, how often a move of that size actually occurred over a window of that length. When it sits close to the model number, the estimate is on firmer ground.

Confidence

Three volatility estimates are computed — 20-day realised, 90-day realised, and one implied by ATR(14). Confidence reflects how tightly they agree. Wide disagreement means the recent regime is shifting, so treat the numbers as looser.

What this is not

The model is deliberately direction-neutral: it estimates how far price is likely to travel, not which way it will go. It uses no options-market data and is not a forecast or a recommendation.