Polling averages move slowly, so the July 15 value is anchored near the last known D+6.6 with modest variance; sub-questions partition the plausible range and are blended via weighted average to produce a central estimate near D+6.5 with appropriate spread.
## Cross-Market Signals ### Polymarket - "Will the Fed increase interest rates by 25 bps after the July 2026 meeting?" → Yes: 0.23, Volume: $5.8M
1. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] Silver Bulletin generic ballot average had declined to D +6.2 as of the June 19, 2026 update, down from D +7 in early June. 2. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] The June 16 value cited in the question was D +6.6; the most recent data point (D +6.2) is already below that anchor. 3. [sq2 | web_search | MODERATE cred 80 | NEUTRAL | VERY_RECENT] Recent pollster spread is wide: Reuters/Ipsos shows D +3, Emerson shows D +11, with the average around D +6.2. 4. [sq2 | code_execution | MODERATE cred 45 | UP | VERY_RECENT] Monte Carlo simulation over a one-month horizon anchored at D+6.6 yields ~84% probability the average lands between D+5.5 and D+7.5. 5. [sq3 | code_execution | MODERATE cred 45 | NEUTRAL | VERY_RECENT] Simulation estimates ~7.6% probability the average falls below D+5.6 within a month, given an anchor at D+6.6. 6. [sq1 | web_search | MODERATE cred 70 | NEUTRAL | VERY_RECENT] Polling averages historically move slowly, and the value has only shifted ~0.4-0.8 points over two weeks (D+7 to D+6.2). 7. [sq1 | web_search | WEAK cred 70 | NEUTRAL | VERY_RECENT] Trump's net approval is near -19 in Silver Bulletin data, a deficit 8 points worse than the start of the year, broadly supporting Democratic generic ballot strength. ## Cross-Market Signals ### Polymarket - "Will the Fed increase interest rates by 25 bps after the July 2026 meeting?" → Yes: 0.23, Volume: $5.8M Information gaps: - No exact D-net value from the latest July CSV (resolution source) - No data on direction of trend after June 19 update - No base rate for one-month polling-average drift magnitude - No info on upcoming high-influence polls before July 15 Key uncertainties: - Whether the slight downward drift (D+7 to D+6.2) continues or reverts - Influence weighting of outlier polls (Reuters/Ipsos D+3 vs Emerson D+11) - Possible methodology/house-effect adjustments shifting the average - Whether June 16 D+6.6 anchor has already been superseded
You are an elite superforecaster. Produce a probability distribution over the answer to this Metaculus numeric question.
## Question
What will Democrats' lead be in the congressional generic ballot on July 14, 2026?
## Description / Resolution Criteria
## Description
According to the [Silver Bulletin](https://www.natesilver.net/p/generic-ballot-average-2026-nate-silver-bulletin-congress-polls):
> **🕒 The latest on the generic ballot**
> ##### **Updated June 16, 2026**
> The generic congressional ballot hit D +7 for the first time this cycle in early June. **It has since reverted slightly to a still-respectable D +6.6, just slightly below where the generic ballot was at this point in 2018 (D +7)**.
> Democrats have seen fantastic results from some of our [highest-rated pollsters](https://www.natesilver.net/p/pollster-ratings-silver-bulletin): [The New York Times/Siena](https://www.nytimes.com/interactive/2026/05/18/polls/times-siena-national-poll-toplines.html) shows a D +11 race and [AtlasIntel](https://www.atlasintel.org/poll/usa-national-2026-05-11) has it at D +14. At the same time, Marquette — our second highest rated pollster — came out with a [D +1 result last week](https://law.marquette.edu/poll/2026/06/03/detailed-results-of-the-marquette-law-school-supreme-court-poll-may-20-26-2026-national-issues/).
> With these numbers, Democrats should have no problem taking back the House. The Senate is a tougher problem, one that invariably runs through Maine. Our state-level projections have the Maine environment at D +14. That should be an easy win, but if you want to read more about how Graham Platner might or might not complicate things, [check out Nate’s piece from last week](https://www.natesilver.net/p/should-democrats-panic-about-platner). *-EMD, 6/8/26*\*\*
`{"format": "metac_reveal_and_close_in_period", "info": {"post_id": 44156, "question_id": 44170}}`
## Resolution Criteria
This question resolves as the net support lead for Democrats shown at the Silver Bulletin's [Who’s ahead on the generic congressional ballot?](https://www.natesilver.net/p/generic-ballot-average-2026-nate-silver-bulletin-congress-polls) tracker for July 15, 2026, rounded to the nearest tenth, when accessed by Metaculus on or after July 16, 2026. 
## Fine Print
Between the value shown in the chart and the csv file under the chart ("Get the data"), the csv file takes precedence. See the "net" column in the csv.
***
This question's information (resolution criteria, fine print, background info, etc) is synced with an [original identical question](https://www.metaculus.com/questions/44156) which opened on 2026-06-17 21:00:00. This question will resolve based on the resolution criteria and fine print of the linked original question. However, if this question would resolve differently than the original question, then this question will be annulled. Additionally, if the original question's resolution could have been known before this question opened, then this question will be annulled.
## Range
The answer must be a number in [0.95, 11.05] (units: %).
## Sub-question decomposition (planner)
- (w=0.40) Will the Silver Bulletin generic ballot average be at or above D +6.6 (its June 16 value) on July 15, 2026? — Establishes whether the lead holds steady or grows from the last known anchor point.
- (w=0.35) Will the generic ballot average be between D +5.5 and D +7.5 on July 15, 2026? — Captures the central, most likely range given the slow-moving nature of polling averages over a one-month horizon.
- (w=0.25) Will the generic ballot average decline by more than 1 point from D +6.6 (i.e., below D +5.6) by July 15, 2026? — Captures downside risk from reversion or unfavorable polling cycles.
## Synthesized evidence
1. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] Silver Bulletin generic ballot average had declined to D +6.2 as of the June 19, 2026 update, down from D +7 in early June.
2. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] The June 16 value cited in the question was D +6.6; the most recent data point (D +6.2) is already below that anchor.
3. [sq2 | web_search | MODERATE cred 80 | NEUTRAL | VERY_RECENT] Recent pollster spread is wide: Reuters/Ipsos shows D +3, Emerson shows D +11, with the average around D +6.2.
4. [sq2 | code_execution | MODERATE cred 45 | UP | VERY_RECENT] Monte Carlo simulation over a one-month horizon anchored at D+6.6 yields ~84% probability the average lands between D+5.5 and D+7.5.
5. [sq3 | code_execution | MODERATE cred 45 | NEUTRAL | VERY_RECENT] Simulation estimates ~7.6% probability the average falls below D+5.6 within a month, given an anchor at D+6.6.
6. [sq1 | web_search | MODERATE cred 70 | NEUTRAL | VERY_RECENT] Polling averages historically move slowly, and the value has only shifted ~0.4-0.8 points over two weeks (D+7 to D+6.2).
7. [sq1 | web_search | WEAK cred 70 | NEUTRAL | VERY_RECENT] Trump's net approval is near -19 in Silver Bulletin data, a deficit 8 points worse than the start of the year, broadly supporting Democratic generic ballot strength.
## Cross-Market Signals
### Polymarket
- "Will the Fed increase interest rates by 25 bps after the July 2026 meeting?" → Yes: 0.23, Volume: $5.8M
Information gaps:
- No exact D-net value from the latest July CSV (resolution source)
- No data on direction of trend after June 19 update
- No base rate for one-month polling-average drift magnitude
- No info on upcoming high-influence polls before July 15
Key uncertainties:
- Whether the slight downward drift (D+7 to D+6.2) continues or reverts
- Influence weighting of outlier polls (Reuters/Ipsos D+3 vs Emerson D+11)
- Possible methodology/house-effect adjustments shifting the average
- Whether June 16 D+6.6 anchor has already been superseded
## Required pre-forecast walkthrough
Before giving percentiles, address these explicitly in your rationale:
(a) The time left until the question resolves.
(b) The outcome if NOTHING changes from today (the status quo value).
(c) The outcome if the CURRENT TREND continues.
(d) The expectations of experts / markets / base rates.
(e) A plausible scenario that produces a LOW outcome (near p10).
(f) A plausible scenario that produces a HIGH outcome (near p90).
## Calibration guidance
- **Be humble about tails.** Good forecasters set WIDE 90/10 intervals to account for unknown unknowns. Narrow tails get punished by the log score far more than slightly-biased medians.
- **Status quo anchoring.** The p50 should be close to the status quo value unless you have strong evidence of a trend.
- Don't pile mass at one value — if you're tempted, widen the spread by 20-50%.
- **Anchor on markets/experts.** If liquid market prices, analyst forecasts, or community percentiles appear in the evidence, center your distribution on them and widen — don't override a liquid market without specific evidence it lacks.
## Output
Return ONLY valid JSON, no markdown fences:
{
"rationale": "<address (a) through (f) above, then state your distribution — 6-10 sentences total>",
"p10": <number>,
"p25": <number>,
"p50": <number>,
"p75": <number>,
"p90": <number>
}
Percentiles MUST be in non-decreasing order (p10 <= p25 <= p50 <= p75 <= p90).
{
"forecast": {
"evidence_brief": "1. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] Silver Bulletin generic ballot average had declined to D +6.2 as of the June 19, 2026 update, down from D +7 in early June.\n2. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] The June 16 value cited in the question was D +6.6; the most recent data point (D +6.2) is already below that anchor.\n3. [sq2 | web_search | MODERATE cred 80 | NEUTRAL | VERY_RECENT] Recent pollster spread is wide: Reuters/Ipsos shows D +3, Emerson shows D +11, with the average around D +6.2.\n4. [sq2 | code_execution | MODERATE cred 45 | UP | VERY_RECENT] Monte Carlo simulation over a one-month horizon anchored at D+6.6 yields ~84% probability the average lands between D+5.5 and D+7.5.\n5. [sq3 | code_execution | MODERATE cred 45 | NEUTRAL | VERY_RECENT] Simulation estimates ~7.6% probability the average falls below D+5.6 within a month, given an anchor at D+6.6.\n6. [sq1 | web_search | MODERATE cred 70 | NEUTRAL | VERY_RECENT] Polling averages historically move slowly, and the value has only shifted ~0.4-0.8 points over two weeks (D+7 to D+6.2).\n7. [sq1 | web_search | WEAK cred 70 | NEUTRAL | VERY_RECENT] Trump\u0027s net approval is near -19 in Silver Bulletin data, a deficit 8 points worse than the start of the year, broadly supporting Democratic generic ballot strength.\n\n## Cross-Market Signals\n\n### Polymarket\n- \"Will the Fed increase interest rates by 25 bps after the July 2026 meeting?\" \u2192 Yes: 0.23, Volume: $5.8M\n\nInformation gaps:\n - No exact D-net value from the latest July CSV (resolution source)\n - No data on direction of trend after June 19 update\n - No base rate for one-month polling-average drift magnitude\n - No info on upcoming high-influence polls before July 15\n\nKey uncertainties:\n - Whether the slight downward drift (D+7 to D+6.2) continues or reverts\n - Influence weighting of outlier polls (Reuters/Ipsos D+3 vs Emerson D+11)\n - Possible methodology/house-effect adjustments shifting the average\n - Whether June 16 D+6.6 anchor has already been superseded",
"forecast_prompt": "You are an elite superforecaster. Produce a probability distribution over the answer to this Metaculus numeric question.\n\n## Question\nWhat will Democrats\u0027 lead be in the congressional generic ballot on July 14, 2026?\n\n## Description / Resolution Criteria\n## Description\nAccording to the [Silver Bulletin](https://www.natesilver.net/p/generic-ballot-average-2026-nate-silver-bulletin-congress-polls):\n\n\u003e **\ud83d\udd52 The latest on the generic ballot**\n\n\u003e ##### **Updated June 16, 2026**\n\n\u003e The generic congressional ballot hit D +7 for the first time this cycle in early June. **It has since reverted slightly to a still-respectable D +6.6, just slightly below where the generic ballot was at this point in 2018 (D +7)**.\n\n\u003e Democrats have seen fantastic results from some of our [highest-rated pollsters](https://www.natesilver.net/p/pollster-ratings-silver-bulletin): [The New York Times/Siena](https://www.nytimes.com/interactive/2026/05/18/polls/times-siena-national-poll-toplines.html) shows a D +11 race and [AtlasIntel](https://www.atlasintel.org/poll/usa-national-2026-05-11) has it at D +14. At the same time, Marquette \u2014 our second highest rated pollster \u2014 came out with a [D +1 result last week](https://law.marquette.edu/poll/2026/06/03/detailed-results-of-the-marquette-law-school-supreme-court-poll-may-20-26-2026-national-issues/).\n\n\u003e With these numbers, Democrats should have no problem taking back the House. The Senate is a tougher problem, one that invariably runs through Maine. Our state-level projections have the Maine environment at D +14. That should be an easy win, but if you want to read more about how Graham Platner might or might not complicate things, [check out Nate\u2019s piece from last week](https://www.natesilver.net/p/should-democrats-panic-about-platner). *-EMD, 6/8/26*\\*\\*\n\n`{\"format\": \"metac_reveal_and_close_in_period\", \"info\": {\"post_id\": 44156, \"question_id\": 44170}}`\n\n## Resolution Criteria\nThis question resolves as the net support lead for Democrats shown at the Silver Bulletin\u0027s [Who\u2019s ahead on the generic congressional ballot?](https://www.natesilver.net/p/generic-ballot-average-2026-nate-silver-bulletin-congress-polls) tracker for July 15, 2026, rounded to the nearest tenth, when accessed by Metaculus on or after July 16, 2026.\u0026#x20;\n\n## Fine Print\nBetween the value shown in the chart and the csv file under the chart (\"Get the data\"), the csv file takes precedence. See the \"net\" column in the csv.\n\n***\nThis question\u0027s information (resolution criteria, fine print, background info, etc) is synced with an [original identical question](https://www.metaculus.com/questions/44156) which opened on 2026-06-17 21:00:00. This question will resolve based on the resolution criteria and fine print of the linked original question. However, if this question would resolve differently than the original question, then this question will be annulled. Additionally, if the original question\u0027s resolution could have been known before this question opened, then this question will be annulled.\n\n## Range\nThe answer must be a number in [0.95, 11.05] (units: %).\n\n## Sub-question decomposition (planner)\n- (w=0.40) Will the Silver Bulletin generic ballot average be at or above D +6.6 (its June 16 value) on July 15, 2026? \u2014 Establishes whether the lead holds steady or grows from the last known anchor point.\n- (w=0.35) Will the generic ballot average be between D +5.5 and D +7.5 on July 15, 2026? \u2014 Captures the central, most likely range given the slow-moving nature of polling averages over a one-month horizon.\n- (w=0.25) Will the generic ballot average decline by more than 1 point from D +6.6 (i.e., below D +5.6) by July 15, 2026? \u2014 Captures downside risk from reversion or unfavorable polling cycles.\n\n## Synthesized evidence\n1. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] Silver Bulletin generic ballot average had declined to D +6.2 as of the June 19, 2026 update, down from D +7 in early June.\n2. [sq1 | web_search | STRONG cred 85 | DOWN | VERY_RECENT] The June 16 value cited in the question was D +6.6; the most recent data point (D +6.2) is already below that anchor.\n3. [sq2 | web_search | MODERATE cred 80 | NEUTRAL | VERY_RECENT] Recent pollster spread is wide: Reuters/Ipsos shows D +3, Emerson shows D +11, with the average around D +6.2.\n4. [sq2 | code_execution | MODERATE cred 45 | UP | VERY_RECENT] Monte Carlo simulation over a one-month horizon anchored at D+6.6 yields ~84% probability the average lands between D+5.5 and D+7.5.\n5. [sq3 | code_execution | MODERATE cred 45 | NEUTRAL | VERY_RECENT] Simulation estimates ~7.6% probability the average falls below D+5.6 within a month, given an anchor at D+6.6.\n6. [sq1 | web_search | MODERATE cred 70 | NEUTRAL | VERY_RECENT] Polling averages historically move slowly, and the value has only shifted ~0.4-0.8 points over two weeks (D+7 to D+6.2).\n7. [sq1 | web_search | WEAK cred 70 | NEUTRAL | VERY_RECENT] Trump\u0027s net approval is near -19 in Silver Bulletin data, a deficit 8 points worse than the start of the year, broadly supporting Democratic generic ballot strength.\n\n## Cross-Market Signals\n\n### Polymarket\n- \"Will the Fed increase interest rates by 25 bps after the July 2026 meeting?\" \u2192 Yes: 0.23, Volume: $5.8M\n\nInformation gaps:\n - No exact D-net value from the latest July CSV (resolution source)\n - No data on direction of trend after June 19 update\n - No base rate for one-month polling-average drift magnitude\n - No info on upcoming high-influence polls before July 15\n\nKey uncertainties:\n - Whether the slight downward drift (D+7 to D+6.2) continues or reverts\n - Influence weighting of outlier polls (Reuters/Ipsos D+3 vs Emerson D+11)\n - Possible methodology/house-effect adjustments shifting the average\n - Whether June 16 D+6.6 anchor has already been superseded\n\n## Required pre-forecast walkthrough\n\nBefore giving percentiles, address these explicitly in your rationale:\n (a) The time left until the question resolves.\n (b) The outcome if NOTHING changes from today (the status quo value).\n (c) The outcome if the CURRENT TREND continues.\n (d) The expectations of experts / markets / base rates.\n (e) A plausible scenario that produces a LOW outcome (near p10).\n (f) A plausible scenario that produces a HIGH outcome (near p90).\n\n## Calibration guidance\n\n- **Be humble about tails.** Good forecasters set WIDE 90/10 intervals to account for unknown unknowns. Narrow tails get punished by the log score far more than slightly-biased medians.\n- **Status quo anchoring.** The p50 should be close to the status quo value unless you have strong evidence of a trend.\n- Don\u0027t pile mass at one value \u2014 if you\u0027re tempted, widen the spread by 20-50%.\n- **Anchor on markets/experts.** If liquid market prices, analyst forecasts, or community percentiles appear in the evidence, center your distribution on them and widen \u2014 don\u0027t override a liquid market without specific evidence it lacks.\n\n## Output\n\nReturn ONLY valid JSON, no markdown fences:\n\n{\n \"rationale\": \"\u003caddress (a) through (f) above, then state your distribution \u2014 6-10 sentences total\u003e\",\n \"p10\": \u003cnumber\u003e,\n \"p25\": \u003cnumber\u003e,\n \"p50\": \u003cnumber\u003e,\n \"p75\": \u003cnumber\u003e,\n \"p90\": \u003cnumber\u003e\n}\n\nPercentiles MUST be in non-decreasing order (p10 \u003c= p25 \u003c= p50 \u003c= p75 \u003c= p90).\n",
"models": [
"opus"
],
"p50": 6.2,
"percentiles": {
"0.1": 4.8,
"0.25": 5.5,
"0.5": 6.2,
"0.75": 6.9,
"0.9": 7.6
},
"rationale": "(a) About one month remains between the latest known data (June 19) and the July 15 resolution date. (b) Status quo value is roughly D+6.2-6.6; if nothing changes it resolves near D+6.2. (c) The current trend is a slight decline (D+7 to D+6.6 to D+6.2 over two weeks), which if continued would push toward D+5.5-6.0 by mid-July, though averages flatten as they incorporate more polls. (d) Polling averages move slowly; Monte Carlo and base rates suggest ~84% chance of landing in D+5.5 to D+7.5, with Trump\u0027s poor approval supporting continued Democratic strength. (e) A low outcome near D+4.5-5.0 could result if outlier pro-GOP polls (e.g., Marquette D+1, Reuters D+3) accumulate and pull the average down. (f) A high outcome near D+7.5-8.0 could occur if strong Democratic polls (NYT/Siena D+11, Emerson D+11, AtlasIntel D+14) dominate and the average reverts upward. Given the slight downward drift from the anchor and the slow-moving nature of the average, I center my median at D+6.2 with moderately wide tails to account for outlier-poll volatility and methodology adjustments."
},
"plan": {
"combination_logic": "weighted_average",
"domain": "politics",
"n_sub_qs": 3,
"n_tools": 3,
"reasoning_approach": "Polling averages move slowly, so the July 15 value is anchored near the last known D+6.6 with modest variance; sub-questions partition the plausible range and are blended via weighted average to produce a central estimate near D+6.5 with appropriate spread.",
"sub_questions": [
{
"id": "sq1",
"question": "Will the Silver Bulletin generic ballot average be at or above D +6.6 (its June 16 value) on July 15, 2026?",
"rationale": "Establishes whether the lead holds steady or grows from the last known anchor point.",
"weight": 0.4
},
{
"id": "sq2",
"question": "Will the generic ballot average be between D +5.5 and D +7.5 on July 15, 2026?",
"rationale": "Captures the central, most likely range given the slow-moving nature of polling averages over a one-month horizon.",
"weight": 0.35
},
{
"id": "sq3",
"question": "Will the generic ballot average decline by more than 1 point from D +6.6 (i.e., below D +5.6) by July 15, 2026?",
"rationale": "Captures downside risk from reversion or unfavorable polling cycles.",
"weight": 0.25
}
],
"tool_requests": [
{
"parameters": {
"queries": [
"Silver Bulletin generic congressional ballot average July 2026",
"Nate Silver generic ballot Democrats lead 2026",
"generic ballot polling average June July 2026"
]
},
"target_sub_questions": [
"sq1",
"sq2",
"sq3"
],
"tool_name": "web_search"
},
{
"parameters": {
"brief": "Find the most recent Silver Bulletin generic congressional ballot average value and trend as of mid-June through mid-July 2026, including any recent high-quality pollster releases (NYT/Siena, AtlasIntel, Marquette) that would move the average.",
"max_searches": 4,
"question_title": "What will Democrats\u0027 lead be in the congressional generic ballot on July 14, 2026?"
},
"target_sub_questions": [
"sq1",
"sq2",
"sq3"
],
"tool_name": "claude_news"
},
{
"parameters": {
"code": "import numpy as np\n# Model the generic ballot as a slow-moving random walk anchored at D+6.6 (June 16)\n# ~1 month horizon to July 15. Estimate monthly std of polling average movement.\nnp.random.seed(0)\nanchor=6.6\nmonthly_std=0.7 # polling averages move slowly\nsims=np.random.normal(anchor, monthly_std, 100000)\nprint(\u0027mean\u0027, sims.mean())\nprint(\u0027P(\u003e=6.6)\u0027, (sims\u003e=6.6).mean())\nprint(\u0027P(5.5-7.5)\u0027, ((sims\u003e=5.5)\u0026(sims\u003c=7.5)).mean())\nprint(\u0027P(\u003c5.6)\u0027, (sims\u003c5.6).mean())\nprint(\u0027percentiles\u0027, np.percentile(sims,[10,25,50,75,90]))",
"description": "Monte Carlo of generic ballot average over a 1-month horizon anchored at D+6.6"
},
"target_sub_questions": [
"sq1",
"sq2",
"sq3"
],
"tool_name": "code_execution"
}
]
},
"question": {
"close_time": "2026-06-24T21:00:00Z",
"description": "## Description\nAccording to the [Silver Bulletin](https://www.natesilver.net/p/generic-ballot-average-2026-nate-silver-bulletin-congress-polls):\n\n\u003e **\ud83d\udd52 The latest on the generic ballot**\n\n\u003e ##### **Updated June 16, 2026**\n\n\u003e The generic congressional ballot hit D +7 for the first time this cycle in early June. **It has since reverted slightly to a still-respectable D +6.6, just slightly below where the generic ballot was at this point in 2018 (D +7)**.\n\n\u003e Democrats have seen fantastic results from some of our [highest-rated pollsters](https://www.natesilver.net/p/pollster-ratings-silver-bulletin): [The New York Times/Siena](https://www.nytimes.com/interactive/2026/05/18/polls/times-siena-national-poll-toplines.html) shows a D +11 race and [AtlasIntel](https://www.atlasintel.org/poll/usa-national-2026-05-11) has it at D +14. At the same time, Marquette \u2014 our second highest rated pollster \u2014 came out with a [D +1 result last week](https://law.marquette.edu/poll/2026/06/03/detailed-results-of-the-marquette-law-school-supreme-court-poll-may-20-26-2026-national-issues/).\n\n\u003e With these numbers, Democrats should have no problem taking back the House. The Senate is a tougher problem, one that invariably runs through Maine. Our state-level projections have the Maine environment at D +14. That should be an easy win, but if you want to read more about how Graham Platner might or might not complicate things, [check out Nate\u2019s piece from last week](https://www.natesilver.net/p/should-democrats-panic-about-platner). *-EMD, 6/8/26*\\*\\*\n\n`{\"format\": \"metac_reveal_and_close_in_period\", \"info\": {\"post_id\": 44156, \"question_id\": 44170}}`\n\n## Resolution Criteria\nThis question resolves as the net support lead for Democrats shown at the Silver Bulletin\u0027s [Who\u2019s ahead on the generic congressional ballot?](https://www.natesilver.net/p/generic-ballot-average-2026-nate-silver-bulletin-congress-polls) tracker for July 15, 2026, rounded to the nearest tenth, when accessed by Metaculus on or after July 16, 2026.\u0026#x20;\n\n## Fine Print\nBetween the value shown in the chart and the csv file under the chart (\"Get the data\"), the csv file takes precedence. See the \"net\" column in the csv.\n\n***\nThis question\u0027s information (resolution criteria, fine print, background info, etc) is synced with an [original identical question](https://www.metaculus.com/questions/44156) which opened on 2026-06-17 21:00:00. This question will resolve based on the resolution criteria and fine print of the linked original question. However, if this question would resolve differently than the original question, then this question will be annulled. Additionally, if the original question\u0027s resolution could have been known before this question opened, then this question will be annulled.",
"open_lower": true,
"open_upper": true,
"q_max": 11.05,
"q_min": 0.95,
"question_type": "numeric",
"title": "What will Democrats\u0027 lead be in the congressional generic ballot on July 14, 2026?",
"units": "%"
},
"research": {
"cross_market_brief": "## Cross-Market Signals\n\n### Polymarket\n- \"Will the Fed increase interest rates by 25 bps after the July 2026 meeting?\" \u2192 Yes: 0.23, Volume: $5.8M",
"errors": [],
"has_cross_market": true,
"n_errors": 0,
"n_tools": 3,
"tools": [
{
"elapsed_s": 42.3,
"error": null,
"success": true,
"summary": "0 results",
"tool_name": "web_search"
},
{
"elapsed_s": 31.92,
"error": null,
"success": true,
"summary": "12 citations",
"tool_name": "claude_news"
},
{
"elapsed_s": 0.07,
"error": null,
"success": true,
"summary": "Monte Carlo of generic ballot average over a 1-month horizon",
"tool_name": "code_execution"
}
]
},
"synthesis": {
"evidence": [
{
"claim": "Silver Bulletin generic ballot average had declined to D +6.2 as of the June 19, 2026 update, down from D +7 in early June.",
"credibility": 85,
"direction": "DOWN",
"priced_in": false,
"recency": "VERY_RECENT",
"source": "web_search",
"strength": "STRONG",
"sub_question_id": "sq1"
},
{
"claim": "The June 16 value cited in the question was D +6.6; the most recent data point (D +6.2) is already below that anchor.",
"credibility": 85,
"direction": "DOWN",
"priced_in": false,
"recency": "VERY_RECENT",
"source": "web_search",
"strength": "STRONG",
"sub_question_id": "sq1"
},
{
"claim": "Recent pollster spread is wide: Reuters/Ipsos shows D +3, Emerson shows D +11, with the average around D +6.2.",
"credibility": 80,
"direction": "NEUTRAL",
"priced_in": false,
"recency": "VERY_RECENT",
"source": "web_search",
"strength": "MODERATE",
"sub_question_id": "sq2"
},
{
"claim": "Monte Carlo simulation over a one-month horizon anchored at D+6.6 yields ~84% probability the average lands between D+5.5 and D+7.5.",
"credibility": 45,
"direction": "UP",
"priced_in": false,
"recency": "VERY_RECENT",
"source": "code_execution",
"strength": "MODERATE",
"sub_question_id": "sq2"
},
{
"claim": "Simulation estimates ~7.6% probability the average falls below D+5.6 within a month, given an anchor at D+6.6.",
"credibility": 45,
"direction": "NEUTRAL",
"priced_in": false,
"recency": "VERY_RECENT",
"source": "code_execution",
"strength": "MODERATE",
"sub_question_id": "sq3"
},
{
"claim": "Polling averages historically move slowly, and the value has only shifted ~0.4-0.8 points over two weeks (D+7 to D+6.2).",
"credibility": 70,
"direction": "NEUTRAL",
"priced_in": true,
"recency": "VERY_RECENT",
"source": "web_search",
"strength": "MODERATE",
"sub_question_id": "sq1"
},
{
"claim": "Trump\u0027s net approval is near -19 in Silver Bulletin data, a deficit 8 points worse than the start of the year, broadly supporting Democratic generic ballot strength.",
"credibility": 70,
"direction": "NEUTRAL",
"priced_in": true,
"recency": "VERY_RECENT",
"source": "web_search",
"strength": "WEAK",
"sub_question_id": "sq1"
}
],
"information_gaps": [
"No exact D-net value from the latest July CSV (resolution source)",
"No data on direction of trend after June 19 update",
"No base rate for one-month polling-average drift magnitude",
"No info on upcoming high-influence polls before July 15"
],
"key_uncertainties": [
"Whether the slight downward drift (D+7 to D+6.2) continues or reverts",
"Influence weighting of outlier polls (Reuters/Ipsos D+3 vs Emerson D+11)",
"Possible methodology/house-effect adjustments shifting the average",
"Whether June 16 D+6.6 anchor has already been superseded"
],
"n_evidence": 7
},
"timings": {
"forecast": 9.27,
"plan": 12.49,
"research": 42.3,
"synthesis": 14.09
}
}