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UNSC Resolution Endorsing Final U.S.-Iran Deal by December 31?

0x0c7245047183848e41555dc9a5ccc14c970a0711a3591bebc8310119cbae64c0 · World · 2026-08-12
18%
Agent
22%
Market Price
-4.5%
Edge
63%
Confidence
Volume: 149,575
Spread: 1.0c
Days to resolution: 140
Markets in event: 1
Final Rationale
Resolution requires two sequential steps: conclusion of a comprehensive US-Iran 'final deal' (Clause 14) and then UNSC adoption of a binding endorsement. As of mid-August 2026 the first step has clearly failed — the 60-day window lapsed, hostilities resumed, talks narrowed to a Hormuz transit arrangement, and no draft resolution exists. The JCPOA precedent (6 days deal-to-UNSCR 2231) means the UNSC step is fast and, contra both forecasters' compounding of veto risk, Russia/China would face far weaker incentives to block a genuinely agreed deal than a navigation resolution — so essentially all the uncertainty sits in whether a final deal is struck in the remaining ~4.5 months. The critique is right that both forecasts drifted below the 22.5% Polymarket anchor on a single-week move while the 30-day trend was flat, and that back-channel/war-fatigue breakthroughs are a live tail; I therefore land just modestly below the market rather than far below it, at ~18% YES.
Price vs. prediction
How the market moved after the agent's call. Solid blue line is the actual market price; dashed line is the agent's static forecast at $t{=}0$.
$n = 22$ follow-ups
1. Planner Opus · Fermi decomposition + tool plan
Tools chosen: polymarket_direct claude_news gdelt_news polymarket_related kalshi_related wikipedia code_execution
Sub-questions (Fermi decomposition)
  1. What is the current Polymarket YES price and price trend for UNSC adoption of a resolution endorsing the final U.S.-Iran deal by Dec 31, 2026?
  2. Has a 'final deal' contemplated by the June 14, 2026 MOU actually been concluded/signed yet, and if not, what is the stated timeline for concluding it?
  3. Is there a circulated or tabled UNSC draft resolution endorsing the deal, and which member is penning it?
  4. What are Russia's, China's, and the E3's public positions on endorsing the deal via a binding resolution (veto or abstention risk), especially given the 2025 snapback of UN sanctions on Iran?
  5. What is the historical base rate/lag between conclusion of a major Iran nuclear agreement and UNSC endorsement (e.g., JCPOA July 14, 2015 → Resolution 2231 on July 20, 2015)?
  6. Are there procedural or political blockers (Iranian parliamentary/Supreme Leader approval, U.S. Congress review, IAEA verification milestones) that could delay a resolution past Dec 31, 2026?
Planner reasoning
This is a Polymarket question about whether the UNSC formally adopts a resolution endorsing a 'final' U.S.-Iran deal by Dec 31, 2026, following a June 14, 2026 MOU. Key drivers are whether the final deal itself is concluded, Security Council politics (Russia/China/E3 posture post-snapback), and the short remaining timeline. Anchor on the Polymarket price, then gather news on negotiation status and UNSC drafting activity, plus the JCPOA/Resolution 2231 precedent as a base rate for deal-to-resolution lag.
2. Research Parallel tool calls
ToolStatusTimeItemsSummary
polymarket_direct OK 0.4s 1 ## This Market's Polymarket Data **UNSC Resolution Endorsing Final U.S.-Iran Deal by December 31?** - Current price (probability): 22.50% - 7-day price change: -13.00% - 30-day price change: +0.50% - Total volume: $149,575 (USD notional) - Price range: 22.00% - 56.00% - Data points: 51 days
claude_news OK 29.3s 9 ## Key Findings - **MOU signed but not "final deal"**: On June 17, 2026, Trump and Iranian President Pezeshkian signed the Islamabad Memorandum of Understanding, a preliminary framework — not a final agreement. The MOU was intended to permanently end hostilities between the United States and Iran
gdelt_news OK 176.3s 24 GDELT: 24 articles across 3 queries (lookback=45d). 'UN Security Council resolution Iran deal endorse': 12 hits | 'US Iran final deal negotiations 2026': error GDELT rate-limited after retries (429) | 'Security Council draft resolution Iran nuclear agreement': 12 hits
polymarket_related OK 3.9s 0 Scanned 100 active Polymarket markets, kept 0 matches. keyword 'Iran deal': 0 markets | keyword 'Iran nuclear': 0 markets | keyword 'UN Security Council Iran': 0 markets
kalshi_related OK 3.8s 2 2 related markets / summaries. keyword 'Iran nuclear deal': ok | keyword 'Iran agreement': ok | keyword 'Iran': no matches
wikipedia OK 0.2s 3 Fetched 3 Wikipedia entries (0 missing pages).
code_execution OK 29.8s 0 ## Base-Rate Model: UNSC Resolution Endorsing Final U.S.-Iran Deal by Dec 31 **Joint Probability Matrix** (P(deal by mid-Dec) × P(UNSC resolution | deal)): | p1 \ p2 | 0.50 | 0.60 | 0.70 | 0.80 | 0.90 | |---------|------|------|------|------|------| | **0.20** | 0.100 | 0.120 | 0.140 | 0.160 | 0.1
3. Evidence Brief Sonnet · 6552 chars
# Current state No "final deal" has been concluded — the June 14/17, 2026 Islamabad MOU was only a preliminary framework, and the 60-day negotiation window lapsed with a resumption of US-Iran military confrontation in early July 2026. As of Aug 8-12, 2026, talks are described as "semi-negotiating"/stalled, focused narrowly on a Hormuz transit arrangement, not the comprehensive nuclear "final deal" contemplated by Clause 14. No UNSC draft resolution has been circulated. # Timeline of key events - 2026-06-14/17: US-Iran sign Islamabad MOU (14-point framework); Clause 14 commits to a binding UNSC resolution endorsing a future "final deal"; key issues (uranium stockpiles, sanctions timetable, troop withdrawal) deferred to 60-day follow-on talks. (confirmed — MOU text via arabcenterdc.org) - ~2026-07 (60 days post-MOU): Negotiation window lapses without a final deal; hostilities resume between US and Iran. (confirmed — UN press coverage, press.un.org) - 2026-07-10/11: UNSC briefings on Iran nonproliferation; Bahrain/Pakistan/China/UK statements urge de-escalation and diplomacy; Iran's UN envoy warns Tehran won't be bound by MOU if US violations continue. (confirmed — globalsecurity.org, arabnews.com, presstv.ir) - 2026-07 (undated, "earlier in conflict"): A UNSC resolution on deterring interference with Hormuz navigation is vetoed by Russia and China — direct precedent for P5 obstruction risk. (confirmed — press.un.org) - 2026-08-04: Rubio says "progress made… but not finality" on a narrower Iran-Oman Hormuz deal; calls denuclearization "the ultimate deal," implying the comprehensive deal remains distant. (confirmed — CNN) - 2026-08-08: No draft UNSC resolution found; talks remain stuck on interim/Hormuz issues. (confirmed — CNN) - 2026-08-10: Former IRGC commander Mohsen Rezaei appointed Iran's Supreme National Security Council chief — potential hardline shift affecting negotiation posture. (reported — livemint.com) - 2026-08-12: Iran's SNSC chief states Strait of Hormuz reopens only when US accepts Iran's conditions. (reported — globalsecurity.org) # Event Will the UNSC adopt a binding resolution endorsing the "final" US-Iran deal (per the June 14, 2026 MOU Clause 14) by Dec 31, 2026? # Outcomes to forecast Yes / No # Kalshi market anchor No direct Kalshi price returned for this ticker; kalshi_related found no matching Iran-deal market (only tangential fusion/data-center/trade-agreement markets, not comparable). **Primary cross-market anchor is Polymarket: 22.5% YES**, down sharply from a high of 56% (7-day change: -13pts; 30-day: +0.5pts, essentially flat after the recent drop), on $149,575 total volume across 51 days — indicating the market has substantially repriced downward as the "final deal" has failed to materialize and conflict resumed. # Sub-question answers 1. **Polymarket YES price/trend**: 22.5% currently, down from a 56% peak; 7-day trend -13pts, reflecting deteriorating deal prospects. [polymarket_direct] 2. **Has a final deal been concluded?**: No. Only the preliminary Islamabad MOU (June 2026) exists; the 60-day window to negotiate the final deal lapsed with resumed hostilities; talks now narrowly focused on a Hormuz transit arrangement, not the comprehensive deal. [claude_news, CNN 8/4, 8/8] 3. **Draft UNSC resolution circulated?**: None found as of Aug 2026 — no final deal exists yet to endorse. [claude_news] 4. **P5/E3 positions**: Russia and China have already vetoed a related Hormuz-navigation UNSC resolution, signaling real veto/obstruction risk on Iran issues. E3 (UK/France/Germany) are conditionally supportive, having indicated willingness to lift sanctions under a new nuclear deal — but this is contingent on a deal existing. [press.un.org, commonslibrary.parliament.uk] 5. **Historical base rate**: JCPOA (finalized July 14, 2015) was endorsed by UNSCR 2231 just 6 days later (July 20, 2015) — extremely fast once a real final deal was signed by all P5+1 parties. [Wikipedia] 6. **Procedural blockers**: Iran's UN envoy has warned Tehran won't consider itself bound by the MOU amid alleged US violations; leadership shift (hardliner Rezaei now SNSC chief) may harden Iran's posture; no IAEA verification milestone or US Congressional review process is reported as active yet since no final deal exists. [presstv.ir, livemint.com] # Key facts (high-confidence, factual) 1. [arabcenterdc.org] MOU Clause 14 requires eventual UNSC endorsement of a "final deal," not yet concluded. 2. [press.un.org] 60-day negotiation window lapsed; hostilities resumed by early July 2026. 3. [press.un.org] Russia/China vetoed a related Hormuz resolution — precedent of P5 friction. 4. [CNN 8/8/2026] No draft UNSC resolution exists as of Aug 8, 2026. 5. [Wikipedia] JCPOA-to-UNSCR2231 lag was only 6 days once a genuine final deal was signed. # Cross-market signals - Kalshi related: no direct comparable market found. - Polymarket: 22.5% YES, sharp recent decline (-13pts/7d), high-water mark 56% now abandoned. - Sportsbook implied: N/A. # Analyst opinions and speculation - Code-execution base-rate model: joint probability (deal-by-mid-Dec × UNSC-resolution-given-deal) grid mean/median ≈ 28-30%, range 10-63% depending on assumptions; deal-conclusion timing is the dominant uncertainty driver, more than UNSC mechanics once a deal exists. - Rubio's comments suggest denuclearization deal ("ultimate deal") remains aspirational, not imminent. # Directional lean per outcome - **Yes**: JCPOA precedent shows UNSC can move fast (6 days) once a real deal is signed; E3 conditionally supportive; MOU already commits to this path. But requires a final deal to exist first — currently absent. - **No**: No final deal concluded; talks stalled/downgraded to "semi-negotiating"; resumed military conflict; Russia/China veto precedent on Iran-related resolutions; hardline Iranian SNSC appointment; Polymarket pricing has fallen to 22.5% and trending down. Structural evidence strongly favors No. # Gaps / unknowns - No visibility into private/back-channel negotiation progress after Aug 12, 2026. - Unclear whether Congressional/Iranian parliamentary approval steps are formally required before a "final deal" is deemed concluded. - No confirmed Kalshi-specific price for this exact ticker (relied on Polymarket as anchor). # Calibration anchors - Polymarket YES price: 22.5% (down from 56% high) — primary anchor. - JCPOA→UNSCR2231 precedent: 6-day lag once real final deal exists — fast if/when deal materializes. - Code-execution base-rate grid: ~25-32% central estimate.
4. Forecasters Opus + GPT · in parallel
claude-opus-5
0.62
Yes 15%
No 85%
The event requires two sequential steps — conclusion of a comprehensive 'final' US-Iran deal and then a binding UNSC endorsement — and as of mid-August 2026 the first step has clearly failed to materialize: the 60-day post-MOU window lapsed, hostilities resumed in early July, and talks have narrowed to a Hormuz transit arrangement with Rubio calling denuclearization only 'the ultimate deal.' No draft UNSC resolution exists, and Russia/China already vetoed a related Hormuz resolution, showing real P5 obstruction risk even if a deal emerged. The JCPOA precedent (6 days from deal to UNSCR 2231) means UNSC mechanics are fast conditional on a genuine deal, so the binding constraint is deal conclusion within ~4.5 months amid active conflict and a hardening Iranian security leadership (Rezaei at SNSC). Anchoring on Polymarket's 22.5% but weighting its sharp -13pt weekly decline and the structural deterioration, I sit modestly below the market at ~15%.
gpt-5.5
0.64
Yes 19%
No 81%
Anchoring on the closest market signal, Polymarket prices YES at 22.5% and has fallen 13 points over the past week, pointing toward No because market consensus has repriced after the final deal failed to materialize. The absence of any concluded final deal, the lapsed 60-day negotiation window, and resumed US-Iran hostilities point toward No because a UNSC endorsement first requires a comprehensive agreement that currently does not exist. No UNSC draft has been circulated as of Aug. 8, and Russia/China have already vetoed a related Hormuz resolution, pointing toward No because both procedural readiness and P5 consensus are lacking. The main Yes case is that JCPOA precedent shows UNSC endorsement can happen within days once a genuine final deal is signed, but current talks are described as stalled and focused on a narrow Hormuz arrangement rather than the Clause 14 final deal.
5. Devil's Advocate Sonnet · red-team critique
1. Both forecasts converge tightly (0.15/0.19) despite the brief's own base-rate grid showing a much wider range (10-63%, mean ~28-30%), suggesting both may be overconfident in the "No" direction relative to the analytical model provided in the evidence. 2. Neither forecaster explicitly grapples with the ~4.5-month remaining window (through Dec 31) versus the JCPOA's 6-day UNSC lag — a sudden diplomatic breakthrough (even a rushed, face-saving "final deal" to end active hostilities) could still trigger fast UNSC action, and war-fatigue/de-escalation dynamics are a plausible tail scenario both treat as negligible. 3. Both anchor heavily on Polymarket's 22.5% but land below it (15%/19%) citing the -13pt weekly decline; however, the brief notes the 30-day trend is "essentially flat" (+0.5pts) before the recent drop, meaning the single-week move could be noise/an overreaction to short-term news (Rezaei appointment) rather than a stable repricing — neither forecaster questions whether the market itself is currently overreacting. 4. Neither addresses the Russia/China veto risk with proper independence from "deal conclusion" — they treat P5 obstruction as compounding evidence for No, but if a genuine comprehensive deal were reached (especially one the US and Iran both want ratified), Russia/China's incentive to veto specifically an Iran-deal-endorsement (versus a Hormuz-navigation resolution) is unclear and likely lower, since blocking a peace deal is diplomatically costly in a different way than blocking a navigation resolution. 5. The unknown "Gaps" section flags no visibility into private/back-channel talks after Aug 12 — neither forecast discusses this uncertainty explicitly or widens their interval to account for the ~4.5 remaining months of unobserved negotiation dynamics, effectively treating the Aug 12 snapshot as near-final information. 6. Both forecasts cite Rezaei's hardline appointment and the Iranian envoy's warning as strengthening No, but neither considers that leadership hardening could also reflect a negotiating tactic (raising leverage before compromise) rather than genuine rejection of a deal — a plausible alternative reading not explored.
6. Aggregator Opus · final calibrated forecast
18% (63% confidence)
Yes: 18% No: 82%
Resolution requires two sequential steps: conclusion of a comprehensive US-Iran 'final deal' (Clause 14) and then UNSC adoption of a binding endorsement. As of mid-August 2026 the first step has clearly failed — the 60-day window lapsed, hostilities resumed, talks narrowed to a Hormuz transit arrangement, and no draft resolution exists. The JCPOA precedent (6 days deal-to-UNSCR 2231) means the UNSC step is fast and, contra both forecasters' compounding of veto risk, Russia/China would face far weaker incentives to block a genuinely agreed deal than a navigation resolution — so essentially all the uncertainty sits in whether a final deal is struck in the remaining ~4.5 months. The critique is right that both forecasts drifted below the 22.5% Polymarket anchor on a single-week move while the 30-day trend was flat, and that back-channel/war-fatigue breakthroughs are a live tail; I therefore land just modestly below the market rather than far below it, at ~18% YES.
Pipeline Timing
Total pipeline time: 256.6s
Per-tool research timings shown in the Research section above.