Tools chosen: polymarket_direct polymarket_related kalshi_related claude_news gdelt_news wikipedia code_execution

Sub-questions (Fermi decomposition)

Planner reasoning

This is a Polymarket question about Yoon Suk Yeol's detention status through end of 2026, so the Polymarket price is the primary anchor. Key drivers are his ongoing insurrection/special-counsel trials, whether courts grant bail or let detention warrants lapse (Korean law caps pre-trial detention at 6 months per indictment, with possible re-arrest on new charges), and the first-instance verdict timing/outcome. Research must establish his current custody status and the legal calendar.

# Current state Yoon Suk Yeol has been in continuous custody since his July 2025 re-arrest and is now serving a first-instance life sentence for insurrection (Feb 2026, under appeal) plus a finalized 7-year obstruction sentence (Supreme Court, July 2026), with additional convictions/indictments accumulating through August 2026. No bail, parole, or pardon has been granted; the only prior release (March 2025) was reversed within months. # Timeline of key events - 2024-12: Yoon declares martial law, triggering impeachment and criminal proceedings (confirmed). - 2025-03: Seoul Central District Court cancels Yoon's arrest warrant; he is released from detention (confirmed). - 2025-07-09/10: Court approves fresh arrest warrant (abuse of power/obstruction, special counsel probe); Yoon returned to custody, remaining detained since (confirmed). - 2026-02-19: First-instance court convicts Yoon of insurrection, sentences him to life imprisonment; prosecutors had sought death penalty (confirmed — CNN, NBC). - 2026-04-29: Appeals court upholds obstruction-related conviction/7-year sentence; Yoon's team appeals to Supreme Court; insurrection sentence also under appeal (confirmed — NPR). - 2026-07-09: Supreme Court finalizes 7-year sentence for obstructing his own arrest (confirmed — Korea Herald). - 2026-07-13: Court sentences Yoon to 2 years in political funding case (confirmed). - 2026-07-27: Court gives Yoon a suspended jail term / guilty verdict for election-law violation/disinformation (confirmed). - 2026-07-29: Yoon's law license revoked following finalized conviction (confirmed). - 2026-08-12: Special counsel issues new indictment over martial-law-justifying messages (confirmed) — extends legal exposure into late 2026. # Event Will Yoon Suk Yeol be released from custody (any form, including house arrest/bail/parole) before December 31, 2026? # Outcomes to forecast Yes / No # Kalshi market anchor No direct Kalshi ticker found for this event (kalshi_related search returned no "Yoon" matches). The provided ticker's live price comes via Polymarket data: **YES ≈ 7.55%**, roughly flat 7-day (+0.25%), down 2.85% over 30 days, range 4.3%–25.3% over 121 days, $196K total volume — indicating the market has substantially de-risked release expectations since earlier in the year. # Sub-question answers 1. **Current custody status**: In custody continuously since the July 2025 re-arrest warrant; now held at Seoul Detention Center serving a life sentence handed down Feb 2026, not merely pretrial detention (Wikipedia, claude_news). 2. **Warrant expiry/bail history**: The March 2025 warrant was cancelled once (procedural/legality concerns) but reinstated in July 2025; no bail motions reported granted since; conviction has effectively converted detention basis from pretrial to sentence-execution (claude_news). 3. **Statutory detention limits**: Research does not surface specific pretrial detention caps; irrelevant now since Yoon is a convicted prisoner serving sentence, not held on expiring pretrial warrants — research is silent on exact statutory mechanics. 4. **Verdict timeline/sentence**: First-instance insurrection verdict delivered Feb 19, 2026 — life imprisonment (prosecutors sought death); currently on appeal, no date found for appellate/Supreme Court resolution (CNN, NPR). 5. **Path to release pre-2027**: Theoretical routes are appellate acquittal/reduced sentence, pardon, or another procedural warrant lapse (precedent: March 2025). No motion currently succeeding; opposition-aligned President Lee Jae-myung has no apparent incentive to pardon (claude_news, code_execution reasoning). 6. **Historical base rate**: Park Geun-hye (arrested 2017, pardoned Dec 2021, ~4.8 yrs) and Lee Myung-bak (arrested 2018, pardoned Dec 2022, ~4.75 yrs) both served years before release via presidential pardon. Chun Doo-hwan is the outlier — sentenced 1996, released Dec 1997 (~1 yr) via a unique political-transition amnesty (Wikipedia). Base rate for release within ~2 years is low (1 of 3 precedents, and that one was atypical). 7. **Cross-market signals**: Polymarket prices this exact market at 7.55% YES. No matching Kalshi market exists; the only tangential Kalshi market (Lee Jae-myung serving full term, 53%) doesn't directly inform Yoon's custody odds. No inconsistency detected, but no independent Kalshi corroboration either. # Key facts (high-confidence, factual) 1. [CNN/NBC] Yoon sentenced to life for insurrection, Feb 19, 2026. 2. [Korea Herald] Supreme Court finalized 7-year obstruction sentence, July 9, 2026. 3. [Korea Times/Winnipeg Free Press] 2-year sentence, political funding case, July 13, 2026. 4. [Standard.net.au] Suspended sentence, election law case, July 27, 2026. 5. [Korea Herald] New special-counsel indictment, Aug 12, 2026. 6. [Wikipedia] Yoon in continuous custody since July 2025 re-arrest; prior release in March 2025 was reversed. # Cross-market signals - Kalshi related: No direct Yoon market; tangential "Lee full term" market unhelpful for calibration. - Polymarket: 7.55% YES, declining trend, consistent with mounting convictions reducing release odds. - Sportsbook implied: N/A. # Analyst opinions and speculation - A code-execution scenario model estimated 35–45% YES, but this appears to underweight the now-confirmed Feb 2026 life sentence and July 2026 finalized conviction, treating the case as still largely pretrial — likely stale/overstated versus current facts. - Reconciled view: with a finalized 7-year sentence and life sentence on appeal (not acquitted), plus new indictments, near-term release is structurally unlikely absent a pardon. # Directional lean per outcome - **Yes**: Only plausible via appellate reversal, presidential pardon, or another warrant-lapse-style procedural event (precedent exists once, March 2025) — no current momentum toward any of these. - **No**: Strong — accumulating convictions, finalized 7-year sentence, life sentence under appeal, new indictment (Aug 2026), no pardon signal from Lee Jae-myung government, historical precedent shows presidents typically detained years before release. # Gaps / unknowns - No confirmed date for Supreme Court ruling on the insurrection appeal. - Unclear likelihood/timing of any pardon under Lee Jae-myung. - Statutory detention-period mechanics not detailed in research. # Calibration anchors - Polymarket YES ≈ 7.55% (primary anchor, declining trend). - Precedent: Park/Lee released only after ~4.75–4.8 years via pardon; Chun released after ~1 year via unusual political amnesty — mixed but generally slow base rate.

1. Both forecasts converge tightly around 5-6% with minimal daylight from the 7.55% Polymarket anchor, but neither seriously engages with why the market itself might be mispriced given the finalized 7-year sentence — if the case for No is as overwhelming as both argue, the anchor could arguably be even lower, yet neither explores whether 5-6% still leaves room the evidence doesn't support. 2. Neither forecast addresses medical/humanitarian release scenarios (health-based furlough or hospital transfer, which have precedent in other Korean political-prisoner cases) as a distinct pathway from pardon or appellate reversal — this is a gap in both, not just a shared omission from the brief. 3. The brief notes "no confirmed date for Supreme Court ruling on the insurrection appeal" — neither forecaster discusses the possibility that a Supreme Court reversal/remand specifically on the insurrection charge (separate from the already-finalized obstruction sentence) could still trigger a technical release or bail hearing before year-end, even if ultimately re-detained; this scenario deserves explicit dismissal rather than silent omission. 4. Both rely heavily on the Park/Lee Myung-bak precedent (~4.75 years to pardon) to reinforce low probability, but this reference class is arguably weak: those cases involved presidents who were not under direct insurrection charges with life sentences, and the timeframe compression (mid-2025 to year-end 2026, only ~18 months) makes the multi-year precedent less directly applicable than the forecasters imply — it's used as confirmatory rather than critically examined. 5. Neither forecast weighs the political volatility angle: Lee Jae-myung's government stability itself is uncertain (evidenced by the tangential "Lee full term" Kalshi market sitting at only 53%), meaning a change in South Korean political leadership or a snap amnesty tied to domestic unrest could open a Chun-style pathway — this tail scenario is mentioned in the brief's directional lean but underexplored quantitatively by both. 6. Forecast 1's claim that the finalized 7-year sentence "arguably justifies pricing slightly below market" and Forecast 2's symmetric move to 6% both converge suspiciously close without independently stress-testing whether the specific new Aug 2026 indictment (which could itself take years to resolve and doesn't affect current custody status) is being double-counted as evidence for No when it's largely irrelevant to the pre-2027 release question.

5% (80% confidence)

Yes: 5% No: 95%

Yoon is no longer a pretrial detainee whose warrant can lapse: he holds a Supreme Court–finalized 7-year obstruction sentence plus a first-instance life sentence under appeal, so even a favorable insurrection ruling would leave a binding term to serve, making a technical release or bail hearing pathway largely moot. With roughly four months left in the window and no pardon signal from the opposition-aligned Lee government, the structural routes to release (pardon, full acquittal, health furlough, political upheaval amnesty) are each individually improbable and collectively worth only a few points. The critique's tail pathways (medical release, remand-triggered release, snap political amnesty) justify not going below ~4%, but they are offset by the same critique's point that the market may still be slightly stale relative to the finalized sentence. I therefore settle marginally below the 7.55% Polymarket anchor at 5% Yes, consistent with both forecasters and the declining price trend.

Total pipeline time: 225.0s