Scan: Will the Nasdaq-100 be above 25249.85 at the end of Dec 31, 2026 at 4pm EST? — 25,249.86 or above

1. Planner Fable 5.1 · Fermi decomposition + tool plan

Tools chosen: kalshi_direct kalshi_related polymarket_related earnings_data fred article_search claude_news code_execution

Sub-questions (Fermi decomposition)

What is the current Nasdaq-100 index level and how far (in %) is it from the 25249.85 threshold?
What is the current Kalshi YES price for this strike, and what do adjacent strikes in the same series imply about the market's distribution for the year-end level?
What is the implied volatility (VXN/QQQ options) over the remaining horizon, and what probability does a lognormal drift-plus-vol model assign to finishing above 25249.85?
What is the expected Fed policy path and inflation trajectory through end-2026, and how are they affecting mega-cap tech valuations?
How are the largest Nasdaq-100 constituents (NVDA, AAPL, MSFT, AMZN, GOOGL, META, AVGO, TSLA) performing and what do recent earnings/guidance imply for index earnings growth?
Are there major near-term risk events (tariffs, recession signals, AI-capex slowdown, geopolitical shocks) that markets are currently pricing that could move the index materially before Dec 31, 2026?
Historically, what fraction of calendar years has the Nasdaq-100 finished above a level X% above/below its price at this point in the year?

Planner reasoning

This is a year-end Nasdaq-100 level threshold question; the key inputs are the current index level relative to 25249.85, implied volatility over the remaining horizon, the macro backdrop (Fed path, inflation, earnings), and the Kalshi market price as the primary anchor. Cross-market checks on other strike levels and Polymarket equivalents help triangulate the implied distribution.

2. Research Parallel tool calls

tool	status	time	items	summary
kalshi_direct	OK	0.2s	1	## This Market's Kalshi Data 25,249.86 or above (KXNASDAQ100POS-26DEC31H1600-T25249.85) - Current price (probability): 81.90% - 7-day price change: +3.30% - 30-day price change: +5.00% - Average daily volume: 423 contracts - Price range: 59.20% - 85.40% - Data points: 87 days
kalshi_related	OK	3.9s	2	2 related markets / summaries. series KXNASDAQ100POS: 0 markets (skipped 1 no-signal) \| series KXNASDAQ100: 0 markets (skipped 60 no-signal) \| series KXINXY: 0 markets (skipped 59 no-signal) \| series KXNASDAQ100Y: 0 markets (skipped 30 no-signal) \| keyword 'Nasdaq-100 Dec 31 2026': ok \| keyword 'Nas
polymarket_related	OK	2.7s	11	Polymarket search over 4 keyword(s), kept 11 matches. keyword 'Nasdaq 100 2026': 5 markets \| keyword 'Nasdaq end of year': 5 markets \| keyword 'QQQ 2026': 1 markets \| keyword 'stock market 2026': 0 markets
earnings_data	OK	0.8s	6	Fetched FMP data for 6 ticker(s).
fred	OK	2.3s	6	Fetched 6 FRED series (lookback=365d) (via search 'Nasdaq 100 index').
article_search	OK	47.0s	31	Fetched 31 unique articles across 4 queries (lookback=30d). 'Nasdaq-100 outlook 2026 year-end target': 10 articles \| 'Fed rate cuts 2026 tech stocks': 10 articles \| 'AI capex mega-cap earnings Nasdaq': 10 articles \| 'Wall Street strategist S&P 500 Nasdaq 2026 forecast': 10 articles
claude_news	OK	23.0s	16	Here are key findings for forecasting the Nasdaq-100 level at year-end 2026: Current Index Level (well above threshold) - As of Sept 18, 2026, the Nasdaq-100 (^NDX) closed at 29,644.17, up 197.19 (+0.67%) at close. This is already ~17% above the 25,249.85 threshold in the question. - On Aug 2
code_execution	OK	28.2s	0	## Key Findings - Setup: Sandbox date = 2026-09-20, expiry = 2026-12-31 → T ≈ 0.279 years (102 days). Using placeholder current level L=24,000 (no live data feed available), the required move to reach K=25,249.85 is +5.21% (log-return ≈ 0.0508). - **Probability table (lognormal GBM, P(

3. Evidence Brief Sonnet 5 · 6233 chars

# Current state Nasdaq-100 is currently trading near 29,644 (Sept 18, 2026 close, FRED/claude_news), already ~17.4% above the 25,249.85 threshold. For "No" to happen, the index would need to fall >17% from current levels by Dec 31, 2026 (~3.4 months away). Kalshi prices YES at 81.90%, up sharply (+5pp in 30 days), reflecting continued strength and reduced perceived crash risk. # Timeline of key events - 2026 (through H1): Broad rally; strategists raise S&P/Nasdaq targets on AI capex and earnings beats (HSBC, Barclays, Goldman) — confirmed via CNBC/TheStreet. - 2026-08 (mid): Fed rate-hike odds rise to 66% amid inflation concerns; new Fed Chair Kevin Warsh seen as hawkish — reported (Vantage Markets, claude_news synthesis); marks reversal from earlier 2026 rate-cut expectations. - 2026-08-27: NDX ~29,578, up 1.21% day — confirmed (claude_news). - 2026-09 (mid): Geopolitical shock (Iran/Larak Island reports) causes brief pullback from ~29,540 to ~29,260, quickly recovered — reported. - 2026-09-14: BofA's Subramanian warns of "overdue" pullback, cuts 12-month S&P target upside to <2%, flags 50% of bear-market signposts triggered — confirmed (CNBC). - 2026-09-15: Dan Niles (tech investor) holds "lots of shorts," warns of drawdown risk — reported (CNBC). - 2026-09-17/18: VXN ~21 (moderate), DGS10 ~4.94-5.01%, DFF ~3.63-3.88% (Fed funds elevated) — confirmed (FRED). - 2026-09-18: NDX closes at 29,644.17 (+0.67%) — confirmed (FRED/claude_news), latest available print. # Event Will the Nasdaq-100 close above 25,249.85 at 4pm EST on Dec 31, 2026? # Outcomes to forecast Yes / No # Kalshi market anchor YES = 81.90% (current). 7-day change +3.30%, 30-day change +5.00%. Avg daily volume 423 contracts; 87-day range 59.20%–85.40%. Market has been trending toward YES as index has stayed elevated. **This is the primary consensus to beat.** # Resolution source Not run (no resolution_source tool result present). # Sub-question answers 1. **Current level vs threshold**: NDX ≈29,644 (2026-09-18, FRED) — ~17.4% above 25,249.85. Index would need a >15-17% decline to finish below threshold. 2. **Kalshi YES + adjacent strikes**: YES=81.90%, uptrending; no adjacent-strike ladder data returned (kalshi_related found no matching series markets), so distribution shape from Kalshi alone is unavailable. 3. **Implied vol / lognormal model**: VXN ≈21 (moderate, "investing.com/tradingview"). Code_execution model used a stale placeholder spot (24,000) yielding 31-45% probability — **this is inconsistent with the actual spot (~29,644) and should be disregarded**; re-run with correct spot would show the index already ~17% clear of the threshold, implying a much higher probability of Yes than the flawed model suggested. 4. **Fed/inflation path**: Reversal from rate-cut to rate-hike expectations mid-2026; Fed hike odds ~66% (Aug 2026, Vantage Markets); DFF ~3.63-3.88%, 10Y yield ~4.94-5.01% (FRED) — tightening bias is a headwind for tech multiples but hasn't yet broken the rally. 5. **Mega-cap earnings**: FMP earnings data unavailable (403 errors for QQQ/NVDA/AAPL/MSFT/AMZN/GOOGL). Qualitatively, Barclays cites hyperscaler capex >$1.1T in 2027 (+67% YoY), strong beat-and-raise trend (CNBC/Barclays note, 2026-09-09). 6. **Near-term risks**: AI-bubble unwind fears, elevated valuations, Fed hike risk, and a recent Iran-related geopolitical scare (quickly recovered) are the live risk factors (claude_news, CNBC/BofA/Niles). 7. **Historical base rate**: Not directly answered by tools; code_execution's historical-drift approximation (mean 12%, sd 25% annualized) gave ~45% prob of exceeding a ~5% out-of-money threshold — but this used the wrong starting spot and isn't applicable given the index is already deep in-the-money. # Key facts (high-confidence, factual) 1. [FRED] NDX closed 29,644.17 on 2026-09-18, up from 29,143 on 2026-09-02. 2. [FRED] VIXCLS ~15.4-17.8 over past two weeks (broad market vol calm). 3. [Kalshi] YES=81.90%, trending up over 7/30 days. 4. [CNBC] Barclays/HSBC raised 2026 S&P targets citing AI-driven earnings strength (Sept 2026). 5. [CNBC] BofA's Subramanian flags "overdue" pullback risk, 50% of bear signposts triggered (2026-09-14). 6. [claude_news] Fed hike odds (not cuts) rose to 66% amid inflation in Aug 2026 — a reversal from earlier dovish expectations. # Cross-market signals - Kalshi related: No direct adjacent-strike Nasdaq-100 ladder found; unrelated CPI/population/unemployment markets returned as noise. - Polymarket: QQQ weekly high/low markets (April 2026, now stale/expired relative to current date) show no direct year-end signal; not useful for Dec 2026 forecast. - Sportsbook implied: N/A. # Analyst opinions and speculation - Bullish: HSBC (S&P 8,100), Barclays (raised targets, $1.1T 2027 hyperscaler capex), Goldman ($340 EPS/8,000 S&P target) — all citing AI capex and earnings strength. - Cautious/bearish: BofA (Subramanian) sees limited upside, elevated bear-signpost count; Dan Niles holds shorts, warns of drawdown; commentary on AI-capex debt financing risk if rates stay high. # Directional lean per outcome - **Yes**: Index already ~17% above threshold; would require a major (>15%) drawdown in <3.5 months to flip. Broad earnings/AI-capex momentum and Kalshi's rising YES price support Yes. - **No**: Requires a sharp correction — Fed hike risk, elevated valuations, AI-bubble unwind fears, and BofA's "overdue pullback" call are the main levers, but no confirmed catalyst yet. # Gaps / unknowns - No adjacent Kalshi strikes for cross-checking implied distribution. - FMP earnings/quote data unavailable (403 errors) — mega-cap fundamentals not directly verified. - Code_execution model used a stale/incorrect spot price (24,000 vs actual ~29,644), making its probability output unreliable for this decision. - No resolution_source data pulled. # Calibration anchors - Kalshi current YES price: 81.90% (anchor). - Precedent: Nasdaq-100 has rarely given back 15-17% within a single quarter absent a recession/crisis trigger (2022 bear market, 2020 COVID crash, 2025 April tariff selloff -19% are the closest analogs); base rate for such a move in ~3 months without a clear existing catalyst is historically low (single-digit percent).

4. Forecasters 5 draws · Fable 5.1 + GPT-5.6 Sol

claude-fable-5-1

68% conf

Yes	87%
No	13%

NDX closed at 29,644 on 2026-09-18 (FRED), ~17.4% above the 25,249.85 strike with ~3.4 months to expiry. A lognormal model with VXN ~21 gives a ~3.4-month sigma of ~11%, so the required ~16% log-decline is a ~1.4-sigma move (~8% probability), and adding fat-tail/skew adjustment for live risks (Fed hike odds ~66%, BofA's 'overdue pullback' call, AI-bubble fears) brings 'No' to roughly 10-15%. Kalshi anchors YES at 81.9% and is trending up; I lean modestly above the anchor because deep-ITM long-dated Kalshi contracts typically trade at a discount to fair value due to capital lock-up, and historical base rates for a >15% quarterly Nasdaq drawdown without an existing catalyst are in the single digits.

claude-fable-5-1

68% conf

Yes	88%
No	12%

NDX closed at 29,644 on 2026-09-18 (FRED), ~17.4% above the 25,249.85 threshold, so 'No' requires a >15% drawdown within ~3.4 months. With VXN ~21, a lognormal model gives roughly 8-10% probability of such a decline (about -1.4 sigma over the remaining horizon), and historical base rates for quarterly drawdowns of that size absent a recession/crisis are single-digit. Kalshi prices YES at 81.9% and is trending up, but the thin volume and the distance to the strike suggest the market is somewhat under-pricing YES; real tail risks (Fed hikes at 66% odds, elevated valuations, BofA/Niles pullback warnings, AI-bubble unwind, geopolitics) justify keeping meaningful weight on No. I land modestly above the Kalshi anchor at 0.88.

claude-fable-5-1

68% conf

Yes	87%
No	13%

NDX closed at 29,644 on 2026-09-18 (FRED), ~17.4% above the 25,249.85 strike, so 'No' requires a >16% log-drawdown in ~3.4 months. With VXN ≈21, the implied ~3.4-month standard deviation is roughly 11%, putting the threshold ~1.4–1.5 sd below spot, implying a lognormal 'No' probability near 7–8%; adding fat-tail allowance for Fed-hike/AI-unwind/geopolitical risks (BofA bear signposts, Niles shorts, rates ~5%) brings it to ~12–14%. Kalshi's 81.9% YES is the anchor, but deep in-the-money binaries on Kalshi typically trade a few points cheap due to capital-lock discount, so I shade above the market to 0.87. Historical base rate for a 15–17% quarterly NDX drawdown absent an active crisis is single-digit to low-double-digit percent, consistent with this estimate.

gpt-5.6-sol

73% conf

Yes	89%
No	11%

Kalshi’s 81.90% YES price is the primary anchor, but the Nasdaq-100 is already about 17.4% above the threshold with only 3.4 months remaining. Moderate VXN near 21 and calm broad-market volatility imply that finishing below the threshold would require an unusually large tail move; the brief’s lower model estimates are inapplicable because they used an incorrect 24,000 spot. AI-driven earnings and capex momentum support resilience, while hawkish Fed expectations, high yields, elevated valuations, and bearish analyst warnings preserve meaningful downside risk. With no confirmed recession or crisis catalyst and historical declines of this size over one quarter described as rare, I place YES moderately above the market consensus.

gpt-5.6-sol

72% conf

Yes	85%
No	15%

The Nasdaq-100 is about 17.4% above the threshold with only roughly 3.4 months remaining, pointing toward Yes because No requires a major quarterly drawdown. Moderate VXN near 21, calm broad-market volatility, and continued AI-driven earnings momentum also favor Yes, while hawkish Fed expectations, high yields, and elevated valuations preserve meaningful downside risk. I anchor on Kalshi's 81.90% Yes price and move modestly higher because the correct current index level makes the threshold substantially safer than the brief's discarded stale-spot model suggested. The absence of adjacent-strike data and directly verified mega-cap earnings limits conviction in that adjustment.

6. Final plain mean of 5 draws

87% (70% confidence)

Yes: 87% No: 13%

Mean of 5 draws (0.87, 0.88, 0.87, 0.89, 0.85). NDX closed at 29,644 on 2026-09-18 (FRED), ~17.4% above the 25,249.85 strike with ~3.4 months to expiry. A lognormal model with VXN ~21 gives a ~3.4-month sigma of ~11%, so the required ~16% log-decline is a ~1.4-sigma move (~8% probability), and adding fat-tail/skew adjustment for live risks (Fed hike odds ~66%, BofA's 'overdue pullback' call, AI-bubble fears) brings 'No' to roughly 10-15%. Kalshi anchors YES at 81.9% and is trending up; I lean modestly above the anchor because deep-ITM long-dated Kalshi contracts typically trade at a discount to fair value due to capital lock-up, and historical base rates for a >15% quarterly Nasdaq drawdown without an existing catalyst are in the single digits.

Pipeline Timing

Total pipeline time: 114.9s

Per-tool research timings shown in the Research section above.