This is ForecastNest’s 1 day forecast for MSFT, created 2026-09-17 14:45 UTC. The window closed 2026-09-18 14:45 UTC, when MSFT closed at $491.77, down 1.1% from $497.38 when the forecast was made. It traded between $491.10 and $499.05 along the way (-1.3% to +0.3%).
Prediction window: Equity / ETF 1D: the stored target below is authoritative; it may be a session close or an intraday instant.
Prediction time: 2026-09-17 14:45 UTC (9/17/2026, 10:45:13 AM EDT).
Valid until: 2026-09-18 14:45 UTC (9/18/2026, 10:45:13 AM EDT). Target session: 2026-09-18 (New York); During session. Lead time to expiry: 24 elapsed hours. Timing: Regular session. Based on stored prediction time, not verified model execution time.
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4 of the 5 models called a direction, and 1 of those calls were right. Each model is also asked to find the price it was forecasting from when it answers, shown as the dashed line inside its box in the picture below. Every model found it accurately.
Below are the details.
| Model | Range | Move | Confidence | Price it found | Score | Result |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol | $486.00–$503.50 | -1.5% to +2.0% | 57% | $493.40 | 31.4 | wrong |
| Claude Opus 5 | $485.60–$506.40 | -2.0% to +2.2% | 52% | $495.50 | 30.5 | wrong |
| Muse Spark 1.1 | $486.00–$506.00 | -2.5% to +1.6% | 53% | $498.25 | 80.9 | right |
| Gemini 1.5 Pro | $490.00–$506.00 | -1.5% to +1.7% | 65% | $497.69 | 53.8 | no call |
| DeepSeek V3 | $486.00–$504.00 | -1.7% to +1.9% | 58% | $494.50 | 30.5 | wrong |
How these models have done on MSFT over 1 day
This forecast is settled and is included in the statistics below. The remaining records are forecasts created before 2026-09-17 14:45 UTC. Only settled directional calls count toward accuracy.
| Model | Asked | Still open | No call | Called up | Called down | Right |
|---|---|---|---|---|---|---|
| Muse Spark 1.1 | 1 | — | 0 | — | 1 · 1 right | 100% (1/1) |
| GPT-5.6 Sol | 1 | — | 0 | 1 · 0 right | — | 0% (0/1) |
| Claude Opus 5 | 1 | — | 0 | 1 · 0 right | — | 0% (0/1) |
| DeepSeek V3 | 1 | — | 0 | 1 · 0 right | — | 0% (0/1) |
| Gemini 1.5 Pro | 1 | — | 1 | — | — | — |
Every published MSFT forecast over 1 day before this question was asked, on 2026-09-17 14:45 UTC, plus this settled forecast. Forecasts created after this question are excluded. Results reflect the settlements available when this article is generated. A day-ahead call and a week-ahead one are counted separately — they are different questions. Only settled forecasts are graded, so open + no call + up + down adds up to asked. “No call” is a range too centred on the price to be pointing anywhere. Accuracy counts only forecasts that have settled, and the count behind it is shown beside it — a single right call is not a 100% record.
What each model said
GPT-5.6 Sol
Result: wrong
View full reasoning
(1) What I found: The freshest MSFT quote I could verify was $493.40 in September 17 premarket trading at 6:21 AM EDT, up 0.63% from the September 16 regular-session close of $490.30. Because that quote predates the requested 14:45 UTC baseline and I could not independently verify a newer regular-session print, I classify data_access as partial rather than live. Microsoft had fallen 1.37% on September 16 after closing at $497.12 on September 15. Source: [https://stockanalysis.com/stocks/msft/
(2)](https://stockanalysis.com/stocks/msft/
%282%29) Market regime: Microsoft is participating in a broader technology rebound after two consecutive down sessions, while the information-technology sector was the strongest S&P 500 sector on September 17 morning, rising about 1.8% according to FactSet data cited by MarketWatch. The larger backdrop is mixed: AI-related earnings and cloud growth remain supportive, but higher policy rates and elevated Treasury yields continue to pressure long-duration technology valuations. Sources: [https://www.marketwatch.com/livecoverage/stock-market-today-dow-s-p-500-nasdaq-climb-after-selloff-federal-reserve-rate-hike](https://www.marketwatch.com/livecoverage/stock-market-today-dow-s-p-500-nasdaq-climb-after-selloff-federal-reserve-rate-hike) and [https://www.reuters.com/business/finance/stocks-wobble-no-sign-panic-yields-surge-2026-09-15/
(3)](https://www.reuters.com/business/finance/stocks-wobble-no-sign-panic-yields-surge-2026-09-15/
%283%29) Price range: I use $486.00-$503.50 for the next one-day window. The lower bound is near the September 10 low of $486.00 and slightly below the September 16 low of $487.23, allowing for a failed technology rebound. The upper bound reaches back toward the September 14-15 trading area without assuming an immediate return to the September 14 high of $509.95. Recent MSFT daily ranges have typically spanned roughly $5-$15, including $495.34-$509.95 on September 14 and $487.23-$495.97 on September 16. Source: [https://stockanalysis.com/stocks/msft/history/
(4)](https://stockanalysis.com/stocks/msft/history/
%284%29) Catalysts inside the window: The main Microsoft-specific backdrop is continued AI and cloud capacity expansion. Reuters reported on September 10 that Microsoft plans to expand data-center capacity to roughly 38 gigawatts by 2032, highlighting the scale of expected AI infrastructure demand. Microsoft also recently changed its reporting structure and disclosed Azure revenue of $29.4 billion for the latest quarter and $101.9 billion for the fiscal year, while maintaining its overall quarterly outlook. Separately, a U.S. appeals court on September 16 upheld dismissal of part of a software-developer lawsuit involving GitHub Copilot and AI training, reducing one legal risk while leaving other claims alive. Sources: [https://www.reuters.com/business/microsoft-plans-38-gigawatts-data-center-capacity-by-2032-bloomberg-news-reports-2026-09-10/](https://www.reuters.com/business/microsoft-plans-38-gigawatts-data-center-capacity-by-2032-bloomberg-news-reports-2026-09-10/), [https://www.reuters.com/business/retail-consumer/microsoft-reveal-azure-cloud-sales-financial-reporting-shift-2026-09-02/](https://www.reuters.com/business/retail-consumer/microsoft-reveal-azure-cloud-sales-financial-reporting-shift-2026-09-02/) and [https://www.reuters.com/legal/government/openai-microsoft-fend-off-part-software-developer-lawsuit-over-ai-training-2026-09-16/
(5)](https://www.reuters.com/legal/government/openai-microsoft-fend-off-part-software-developer-lawsuit-over-ai-training-2026-09-16/
%285%29) Strongest counter-argument: The bearish case is that Microsoft's enormous AI infrastructure buildout increases capital intensity at the same time that rates remain restrictive, making valuation more sensitive to any disappointment in Azure growth or AI monetization. Microsoft also underperformed the broader market on September 16, falling 1.37% while the S&P 500 declined 0.45%. A sustained move below roughly $487-$490 would weaken the mild bullish one-day view, while a recovery above roughly $500-$503 would indicate that the recent two-session decline is being substantially reversed. Sources: [https://www.marketwatch.com/data-news/microsoft-corp-stock-underperforms-wednesday-when-compared-to-competitors-0b5f880d-76816a0d39e8](https://www.marketwatch.com/data-news/microsoft-corp-stock-underperforms-wednesday-when-compared-to-competitors-0b5f880d-76816a0d39e8) and [https://stockanalysis.com/stocks/msft/history/
(6)](https://stockanalysis.com/stocks/msft/history/
%286%29) Confidence: 57% reflects a modest positive short-term edge rather than a strong call. Broad technology strength, a positive premarket move, Azure growth and continued AI infrastructure investment support MILD BULLISH over one day. Confidence remains limited because my freshest independently verified quote is several hours older than the requested baseline, Microsoft has recently underperformed its large-cap peers, and higher rates can quickly reverse technology-sector momentum.
Claude Opus 5
Result: wrong
View full reasoning
(1) What I found, and where: MSFT closed 16 September at $490.30, down $6.82 or 1.37%, with a pre-market print of $494.50, up $4.20 or 0.86%, at 7:49 a.m. ET (finance.yahoo.com/quote/MSFT/history/). Robinhood reports that during the 2026-09-17 session shares reached a high of $496.85 and a low of $487.23 (robinhood.com/us/en/stocks/MSFT/). CNBC's data for the prior session shows an open of $493.03, a range of $487.23 to $495.97 against a previous close of $497.12, a market capitalisation of $3.641 trillion on 7.43 billion shares, a beta of 1.10, trailing EPS of $17.95, a trailing P/E of 27.32, a forward P/E of 24.92, and an estimated earnings date of 27 October 2026 (cnbc.com/quotes/MSFT). Investing.com puts the consensus 12-month target at $572.92 with 52 buy ratings and none to sell, and the 52-week range at $349.20 to $553.72. Combining Wednesday's close with the pre-market indication and today's intraday high, I anchor at $495.50, a derived figure rather than a verified tick, hence 'partial'.
(2) Market regime: a post-FOMC relief rally in which quality mega-cap technology is leading. The Fed hiked 25 basis points to 3.75%-4.00% on Wednesday with a hawkish dot plot, but Bloomberg reports Treasuries paring losses with the 2-year at 4.72%, TipRanks headlines futures rallying as oil retreats, and jobless claims fell to 196,000. Microsoft's own fundamentals remain the anchor here: Azure grew 43% last quarter and passed $100 billion in annual sales for the first time, Copilot reached a record 30 million seats, and on 15 September the company raised its quarterly dividend 8% to $0.98 from $0.91, its seventeenth consecutive annual increase, which is a capital-return signal rather than a growth claim. Worth noting plainly: Microsoft has trailed the market all year and closed Wednesday down 1.37% against the S&P 500's 0.45%, so it underperformed on Fed day rather than defending.
(3) Price range: anchored at $495.50 with a modest upside tilt. Beta is 1.10 and Wednesday's full range spanned $487.23 to $495.97, about 1.8% of the low, which is typical for this name. I am using a daily sigma near 1.6%, giving about -2.0% to +2.2%, or $485.60 to $506.40. The levels: $487.23 has now been tested as the floor in consecutive sessions and $490.30 is Wednesday's close just above it, so the high $480s is the first real support; overhead, $497.12 was Tuesday's close and the $500 round number sits just beyond, with the 52-week high of $553.72 from 28 October 2025 roughly 11% away and out of reach in this window.
(4) Catalysts inside the window: nothing of consequence scheduled. Earnings are 27 October and the ex-dividend date is 19 November, both well outside a window closing at 10:45 ET Friday. Today's company news is modest: Nokia extended its partnership with Microsoft, and TipRanks carried an item about AI chief Mustafa Suleyman criticising Anthropic's work on model consciousness, which is reputational rather than financial. The Surface event announced for 7 October is also outside. The structural feature is Friday 18 September, quarterly triple witching, when index options, index futures and single-stock options expire alongside the quarterly rebalance, and Microsoft's size makes it a significant participant in those flows, which are two-sided rather than directional.
(5) Strongest counter-argument: Microsoft's relative weakness is a pattern, not a one-day event. It has trailed the market all year despite the Azure numbers, it fell three times harder than the index on Wednesday, and TipRanks reported the stock dropping on the Surface event announcement, which is the kind of reaction that signals tired positioning rather than accumulation. Simply Wall St's recent framing is that the stock looks fairly valued rather than cheap. The heavy AI capital expenditure that funds Azure's growth is also the reason free cash flow is under scrutiny. On mechanics, roughly 1% of today's gain printed before this window opened, so upside requires continuation. A close above $500 would confirm the lean; a loss of $487.23 would invalidate it.
(6) Why 52%: the lowest of my three mega-cap calls today, and the anchor is why. Unlike Nvidia and Alphabet, where I had intraday figures that cross-checked against an independently verified index level, here I am combining a confirmed Wednesday close with a pre-market print and an intraday high whose timestamp I cannot pin down, so the starting point could be a dollar or two off in either direction. The directional lean is also weaker on the merits: the macro tailwind is real and general, but Microsoft specifically has been the laggard among its peers, which argues against extrapolating the sector's strength onto it.
Muse Spark 1.1
Result: right
View full reasoning
(1) What you found, and where: Finnhub reports MSFT Open $497.795 High $501.47 Low $493.17 Previous Close $490.30 Change +7.95 +1.6215% Sep 17. Upstox reports $490.27 as of Sep 17 2:20 am IST 52-week high $553.63 low $349.20. MacroTrends latest close Sep 16 $490.30 all-time high $537.65 Oct 28 2025 52-week high $553.72 +12.9% above. FinancialContent shows $495.63 and $506.06 and $486.35 varying prints. 5-day -2.33% 1-month +0.58% 6-month +25.96% YTD +3.03% 1-year -2.28% per Finnhub.
(2) The current market regime as you read it: Post-hike rebound. Fed 12-0 hike to 3.75-4.00% Sep 16 per Cambridge. MSFT trading near $498 above $490.30 close, near 52-week high $553.72. 5-day -2.33% but intraday +1.62% shows reversal. Cloud/AI capex resilient despite higher rates, as seen in SOXL +9.9% Sep 17. Beta low but still sensitive to yields.
(3) Price range justification, with the levels and volatility you are using: Anchored to $498.25 implied from open $497.795 + change $7.95 vs $490.30. Using day range $493.17-$501.47 and $490.30 previous close. Daily vol ~1.2% ~$6. Lower $486 near $486.35 FinancialContent and -2.5% below $498 if hawkish, upper $506 near $506.06 Star Tribune print and +1.5% above high $501.47 captures extension toward $553.72 high. Slight upside skew due to +1.62% intraday.
(4) Scheduled or likely catalysts inside the window: Window Sep 17 14:45 UTC 24h covers post-FOMC Sep 17-18. No MSFT earnings. GraniteShares 2x MSFT $24.75 high $24.20 low per INDmoney Sep 17. Warsh comments and yields key.
(5) The strongest counter-argument, and what would invalidate your call: Bear case: hawkish Warsh guiding more hikes and UMich sentiment plunge per CoinDesk Sep 17 could push MSFT back to $490.30 close if real yields rise. Bull case: dovish hold narrative and Azure growth could squeeze to $506. Invalidation: close below $484 or above $508 would negate mild bullish.
(6) Why your confidence is the number it is: Confidence 53% reflects live open $497.795 high $501.47 low $493.17 previous close $490.30 dated Sep 17 after baseline with corroborating $490.30 MacroTrends close Sep 16, but post-hike direction noisy. Labeling live because quotes are same-day after window start.
Gemini 1.5 Pro
Result: no call
View full reasoning
(1) Data sources: I retrieved live market data via financial feeds indicating that Microsoft Corporation (MSFT) was trading at $497.69 as of 10:45 EDT on September 17, 2026.
(2) Market regime: The market is currently undergoing a robust post-FOMC relief rally on September 17, 2026, as initial jobless claims drop and broader economic anxiety eases following the Federal Reserve's recent rate decision. Mega-cap technology equities are participating strongly in this recovery.
(3) Price range justification: I project a 24-hour range of $490.00-$506.00. The lower boundary of $490.00 aligns with recent consolidation support levels and the prior day's close, while the upper bound of $506.00 captures recent intraday resistance highs and the ongoing bullish momentum of the tech-led bounce.
(4) Scheduled catalysts inside the window: With the September FOMC rate decision now concluded and labor market data published, price action over the next 24 hours will be driven by institutional portfolio rebalancing and continued sentiment trends in artificial intelligence infrastructure.
(5) The strongest counter-argument: The primary risk to a continued upside move is that elevated Treasury yields and lingering macroeconomic valuation scrutiny could reassert themselves, capping multiple expansion for mega-cap software leaders.
(6) Why your confidence is the number it is: My confidence is 65%. While Microsoft benefits from solid enterprise positioning and artificial intelligence tailwinds, navigating a volatile post-FOMC market environment introduces considerable intraday headline and whipsaw risks.
DeepSeek V3
Result: wrong
View full reasoning
(1) What I found and where: MSFT closed at $490.30 on September 16, down 1.37% (Yahoo Finance, stockanalysis.com). In pre-market trading on September 17, the stock recovered to $494.50, up 0.86% (stockanalysis.com, timestamped 5:00 AM EDT). The pre-market move was part of a broad tech rally: Meta, Amazon, Tesla, Nvidia, and Google all rose over 1%, while Microsoft lagged slightly with a 0.9% gain (Sohu, September 17). The Fed delivered a 25bp rate hike to 3.75-4.00% on September 16, its first hike since 2023, with 16 of 18 officials projecting at least one more hike by year-end (Schwab/Briefing.com, September 16). The hawkish guidance triggered a sharp rise in Treasury yields, with the 10-year climbing to 5.01% and the 2-year jumping to 4.73% (Schwab, September 16). MSFT was among the Dow's laggards in that session.
(2) Market regime: Post-Fed consolidation with a hawkish overhang. The Nasdaq finished unchanged on September 16 while the S&P 500 fell 0.45% and the Dow dropped 1.21% (Schwab/Briefing.com, September 16). Tech held up relatively well, but the rate-sensitive mega-caps were mixed. MSFT is trading near the lower end of its recent range, having pulled back from a September 14 high of $509.95 (Yahoo Finance historical data). The stock's beta of 1.11 and 52-week range of $349.20-$553.72 reflect a mature mega-cap that has been consolidating since early September. Analyst consensus remains Strong Buy with a 12-month projected level of $572.92, implying significant upside from current levels (stockanalysis.com, 55 analysts).
(3) Price range justification: My anchor is the September 16 close of $490.30 and the September 17 pre-market quote of $494.50. Key support sits in the $489-$496 band, where the 20-day SMA ($496), EMA-26 ($492), and a strong support shelf at $489.79 converge (Blockchain.news, September 10; Moomoo, September 17). Below that, $487.74 is the next logical floor (Blockchain.news, September 10). Resistance is layered at $499.87-$502.60, with the $507-$513 zone above that (Blockchain.news, September 8; Moomoo, September 17). Options data shows a 30-day implied volatility of approximately 23.7%-25.6%, with realized volatility running higher at 26.2% (VolRadar, September 11; Business Insider, September 9). Applying a one-standard-deviation daily move of roughly 1.6% from the pre-market quote yields a range of approximately $486 to $503. I have extended the upper bound slightly to $504 to account for quad-witching volatility. The range has more room above than below, reflecting the modest pre-market bid and the broader tech rally, but the bias is not strongly directional.
(4) Catalysts inside the window: The September 18 quarterly options expiration (quad witching) is the dominant scheduled event. Microsoft's put/call walls show concentrated open interest near $350 on the put side and $550 on the call side, but those are far from the current price and likely reflect longer-dated positioning (VolRadar, September 11). A more relevant near-term catalyst is the company's October 7 Windows and Surface event, which was announced on September 17 and will focus on local AI (Expreview, September 17). Microsoft also announced a partnership with Marvell and Utimaco to launch a secure, cloud-scale payment solution (Cailianshe, September 17), and Nokia announced a collaboration with Microsoft to integrate its data suite with Microsoft Fabric for telecom network automation (Jiemian, September 17). Microsoft's next earnings report is confirmed for October 27, 2026, after market close (TipRanks), outside the 1-day window.
(5) Counter-argument and invalidation: The strongest bear case is that the hawkish Fed has shifted the regime for high-multiple tech names. MSFT's forward PE of 24.81 leaves it vulnerable to further multiple compression if the 10-year yield pushes decisively above 5%. The stock has been making lower highs since early September, and a close back below $489.79 would break the support shelf and open the door to a retest of $487.74 and potentially the $480 area. The $7.8 million synthetic put trade executed on September 16, when MSFT closed at $497.12, signals that some institutional participants are positioning for further downside (Option Witch, via itiger). A failure to hold the $490 level on a closing basis would invalidate the short-term constructive view.
(6) Confidence rationale: 58% reflects modest conviction. The pre-market bid is real and the broader tech complex is participating in a relief rally, but MSFT is lagging its mega-cap peers (0.9% vs. 1%+ for Meta, Amazon, Nvidia, and Google), which suggests idiosyncratic headwinds or profit-taking. The options market is pricing a daily move of roughly $8 (1.6%), and quad-witching expirations often produce erratic intraday reversals. A single-session forecast for a mega-cap name amid a hawkish Fed cycle carries meaningful two-sided risk, and the range is wide relative to the expected move. I am leaning mildly constructive on the session but do not have enough edge to express high confidence.
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