Tools chosen: polymarket_direct fred kalshi_related polymarket_related claude_news code_execution

Sub-questions (Fermi decomposition)

Planner reasoning

This is a path-dependent threshold question: the 10-year yield must touch 5.0% on any day between Nov 11, 2025 and Dec 31, 2026. Key drivers are the current yield level and distance to 5.0%, realized rate volatility, Fed policy path, inflation expectations, and fiscal/term-premium dynamics. The Polymarket price is the primary anchor, cross-checked against Kalshi rate markets and a volatility-based touch-probability calculation.

# Current state The 10-year Treasury yield stood at 4.64–4.74% as of Aug 24–28, 2026 (FRED DGS10; Claude news), roughly 26–36 bps below the 5.00% resolution threshold. The market resolves YES if the yield touches/exceeds 5.00% on ANY day between Nov 11, 2025 and Dec 31, 2026; it has not yet done so this window, but sentiment and momentum have shifted sharply toward YES in recent weeks. # Timeline of key events - 2023-10: 10Y briefly hit 5.021%, the last time it breached 5% (confirmed, historical). - 2026-05-29: Deutsche Bank raises year-end forecast to 4.70% peak (from 4.45%) — reported. - 2026-07-23: Yield tops 4.7%, highest since Jan 2025, amid Middle East oil-shock/inflation fears (reported, CNBC). - 2026-08-19: Yield ~4.70%, a 19-month high; Bloomberg Markets Pulse survey (392 respondents) — two-thirds see yield topping 5% before year-end 2026 (reported). - 2026-08-19 (same window): Reuters poll shows more conservative median 3-month forecast of 4.50%, but 82% of strategists flag upside risk (reported). - 2026-08-24–28: Yield trades 4.64–4.74%; new Fed Chair Kevin Warsh signals inflation not meaningfully slowing, "work to do" on policy (reported, FRED + news). # Event Will the 10-year Treasury par yield (Treasury daily curve, "10 Yr" column) reach or exceed 5.00% on any date between Nov 11, 2025 and Dec 31, 2026? # Outcomes to forecast Yes / No (binary touch condition) # Kalshi market anchor No kalshi_direct data was returned for this ticker (ticker format is actually Polymarket's 0x-style ID). Using **Polymarket as primary cross-market anchor**: current YES price 27.5%, up sharply +10.5% over 7 days and +4.0% over 30 days, range 7.5%–38% over 90 days, total volume ~$85k (thin). The rising price tracks recent yield strength and hawkish Fed commentary. # Sub-question answers 1. **Current yield & distance to 5.0%** — 4.64–4.74% as of Aug 24–28, 2026 (FRED DGS10); ~26–36 bps from threshold. 2. **Historical vol & implied touch probability** — Code-execution model (5–6bps/day vol) implies ~28–37% touch probability, but that model assumed a stale starting yield of 4.10% (90bps to target); actual current gap is only ~30bps, so true touch probability is materially higher than the model's headline 30–33%. 3. **Fed policy path** — Fed funds effective rate flat at 3.63% (DFF, Aug 2026); Warsh (new Chair) hawkish, resisting cuts; BlackRock notes markets now pricing possible hikes, reversing earlier cut expectations (claude_news). 4. **Inflation expectations** — 10Y breakeven (T10YIE) rising from 2.24% (Aug 13) to 2.33% (Aug 27), a modest but consistent uptrend; CPI index rising steadily m/m through July 2026 (FRED). 5. **Fiscal/issuance/term premium** — CBO Feb 2026 outlook flags rising term premiums, unsustainable deficits, exploding interest costs; reduced Fed balance-sheet buying and softer foreign demand cited as structural upward pressure (claude_news/CBO/CRFB). 6. **12–24mo high & recent proximity** — 19-month high ~4.70–4.74% hit Aug 2026; last actual 5% touch was Oct 2023 (5.021%). Yield has NOT touched 5% in this market's window yet. 7. **Cross-market agreement** — Polymarket prices this exact event at 27.5% (rising fast). No matching Kalshi or Polymarket-related markets found for direct comparison (kalshi_related returned unrelated markets like Fed funds long-dated buckets, polio, crypto purchases — no genuine 10Y yield overlap). # Key facts (high-confidence, factual) 1. [FRED] DGS10 = 4.67% (8/27/26), up from ~4.63% (8/13/26) — modest recent uptrend. 2. [FRED] T10YIE (10Y breakeven) = 2.31–2.34% late Aug 2026, drifting higher. 3. [FRED] DFF flat at 3.63%, no cuts/hikes in past two weeks. 4. [Claude news/Bloomberg] Two-thirds of Bloomberg Markets Pulse survey respondents (Aug 19, 2026) expect 5% breach before year-end. 5. [Claude news] Deutsche Bank forecasts 4.70% peak by Dec 2026 (below threshold). 6. [Claude news] Reuters poll median 4.50% (3-month horizon), 82% flag upside risk. 7. [Claude news/history] Last 5% touch was Oct 2023 (5.021%); sustained >5% not seen since 2007. # Cross-market signals - Kalshi related: No direct 10Y-yield market found; only tangential Fed-funds long-dated buckets (2034–2036), not informative for near-term yield levels. - Polymarket: This exact market priced 27.5% YES, +10.5% in 7 days — strong recent momentum toward YES, consistent with yield's move to 19-month highs. - Sportsbook implied: N/A. # Analyst opinions and speculation - Bullish-on-yields: Bloomberg survey majority, CNBC (oil-shock/deficit narrative), CBO (structural term-premium rise), BlackRock (hike-repricing). - Bearish-on-5%: Deutsche Bank (4.70% peak), Reuters poll median (4.50%), Schwab base case (4.0–4.5% range, recession needed for <4%). # Directional lean per outcome - **Yes**: Yield already within ~30bps of threshold with clear upward momentum, hawkish Fed under Warsh, sticky inflation, rising breakevens, fiscal/term-premium pressure, majority-of-strategists survey view, and a full 4 months remaining in the window. - **No**: Multiple bank forecasts (Deutsche Bank, Reuters median, Schwab) see peak below 5%; historical rarity of >5% since 2007; possible Fed cuts or growth slowdown could cap yields. # Gaps / unknowns - Code_execution quant model used a stale/incorrect starting yield (4.10% vs actual ~4.70%), materially understating touch probability — treat its 30-33% output with caution; true base rate likely higher given far smaller remaining distance. - No genuine Kalshi-specific market found for direct triangulation. - Unclear whether Fed under Warsh will hike, hold, or eventually cut — key swing factor. # Calibration anchors - Polymarket YES price (anchor): 27.5%, rising (+10.5%/7d, +4%/30d). - Precedent: Oct 2023 touched 5.021% briefly after a similar run-up from ~4.6-4.7%, suggesting the last ~30bps can move quickly given momentum and macro catalysts.

1. Both forecasts converge suspiciously close (0.40 vs 0.39) despite Forecast 1 explicitly computing a random-walk touch probability of "45-55%" from the correct starting point—yet it discounts to 40% without clearly justifying why it weights bank forecasts so heavily against its own model; this internal inconsistency (citing 45-55% then landing at 40%) is glossed over rather than explained. 2. Neither forecaster grapples with the asymmetry in the touch-probability math: a pure random walk with zero drift near a boundary only 30bps away over ~85 trading days at 5-6bps/day vol should imply substantially higher touch probability than 40% (survival-based touch models often exceed 50-60% for this proximity/timeframe), suggesting both may be anchoring too much on the "consensus bank forecasts" (which predict endpoint/peak levels, not touch probability) and conflating "average peak forecast" with "probability of ever touching." 3. Both forecasts underweight the Bloomberg survey signal ("two-thirds of respondents expect 5% breach before year-end") — a directionally strong data point that arguably deserves more weight than the Reuters median forecast, since it's a stated expectation of the *event itself* rather than a point forecast that could still allow a brief touch above. 4. Neither forecaster explicitly addresses the historical precedent flagged in the brief: "Oct 2023 touched 5.021% briefly after a similar run-up from ~4.6-4.7%," which is the single closest analogous scenario and directly supports a higher YES probability than 40% given the current setup mirrors it closely. 5. Both anchor above Polymarket's 27.5% (correctly, given thin volume/staleness), but neither explores why the gap between their estimate (~40%) and the market (27.5%) persists — if their reasoning is sound and momentum is still rising (+10.5%/7d), the market itself may keep converging toward their estimate, meaning the "edge" they're claiming could largely be a lag artifact rather than genuine mispricing, and this should temper confidence rather than being treated as a clean arbitrage. 6. Neither model separately treats the "touch" vs "sustain" distinction rigorously — the event only requires touching 5.00% once on any day, which is a much lower bar than the bank forecasts (which predict year-end levels/peaks, not intraday touches); this makes the Deutsche Bank/Reuters "peak below 5%" evidence weaker counter-evidence than both forecasters treat it, since a brief intraday spike (as in Oct 2023) could satisfy YES even if the "peak" forecast is technically about closing/period-average levels.

45% (58% confidence)

Yes: 45% No: 55%

Both forecasts converged near 40%, but the critique correctly identifies that the pure touch-probability math from the actual ~4.70% starting point (30bps gap, ~85 trading days, 5-6bps/day vol) implies ~50-55% with zero drift, and that bank peak forecasts are endpoint predictions that under-count brief touch events — the Oct 2023 precedent (5.021% touch after a nearly identical run-up from ~4.6-4.7%) is directly on point. The Bloomberg survey (two-thirds expecting a breach) is a stated probability of this exact event and deserves more weight than the Reuters point median. Countervailing factors — Deutsche Bank/Reuters forecasts implying modest negative drift, the daily-close (not intraday) resolution basis, and the thin Polymarket anchor still at 27.5% — justify staying below the naive zero-drift model. I land at 45% YES, modestly above both forecasts, reflecting the critique's valid points while respecting institutional consensus for a sub-5% peak.

Total pipeline time: 136.7s