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240_055predictionMarkets/StocksAI-scaling

Anthropic heading to IPO, pursuing $50B from Amazon

Predictor: Dave Blundin · ep#240 "NVIDIA's $1 Trillion Prediction, Anthropic Beats OpenAI, Tesla vs. TSMC & The CS Job Collapse" · source

Prior probability
55.0%
Current probability
46.8%
evolves via intake + LBP
Conviction
3/5
Signal quality
C
Resolution
pending
Window
2026-06-01 – 2026-06-30
Edges in / out
13 / 5
Tickers exposed
37

Prediction text

Anthropic heading to IPO, pursuing $50B from Amazon | they're they're heading towards an IPO and they are basically shortch changing Microsoft and going for 50 billion from Amazon.

Watch events: Anthropic ARR updates quarterly; potential Oct 2026 IPO

Verbatim quote

From episode "NVIDIA's $1 Trillion Prediction, Anthropic Beats OpenAI, Tesla vs. TSMC & The CS Job Collapse"
they're they're heading towards an IPO and they are basically shortch changing Microsoft and going for 50 billion from Amazon.

Predictor: Dave Blundin

κ + Brier as of 2026-05-22
κ (discount)
0.821
Brier
0.0491
excellent
Hits / Misses
3 / 2
of 9 resolved
Hit rate
33.3%
Calibration plot (stated vs observed)

Evidence about this node from Dave Blundin is multiplied by κ in /api/intake. Lower κ = less weight; floors at 0.10 (effectively silenced) and caps at 1.00 (full weight).

Reference class: ipo_trillion_plus

Linked via embedding similarity 0.601

Trillion-dollar private company IPO at announced valuation within 12 months of S-1

Base rate
50.0%
2/4 historical
Inside weight
0.300
TRF=1.00
Outside weight
0.700
pulling toward base rate
inside 39.4% → blend 46.8% 7.4pp)

Tetlock-style outside view: at TRF=1 (just predicted), outside view dominates (w_in=0.3). At TRF=0 (deadline), inside view dominates (w_in=1.0). The blend regularizes overconfident inside views toward the historical base rate.

Probability over time

7 prob_history rows
0%25%50%75%100%prior 55%2026-04-302026-04-302026-05-31
intake v2milestone miss sweeplbp propagationreference class assignedlegacy v1prior_prob (analyst seed)current = 46.8%

Milestone chain

Pre-event signals (upstream prereqs + window checkpoints) → resolution event → downstream cascades. Status/dates update from linked nodes; re-derive nightly via scripts/ops/derive_milestones.py.
Leading chain: 5 fired ✓ · 1 overdue ⏱
  1. 2026-04-20hitAnthropic and Amazon disclose new strategic agreement (>$5B incremental investment)
    How: Amazon discloses additional Anthropic investment in 2026, with Anthropic committing reciprocal AWS spending; confirmed via Amazon/Anthropic press releases and Bloomberg/CNBC. Amazon committed up to $25B more (on top of $8B prior); Anthropic pledged $100B AWS spend over 10 years
    Source: https://www.cnbc.com/2026/04/20/amazon-invest-up-to-25-billion-in-anthropic-part-of-ai-infrastructure.htmlconf 99%
  2. 2026-04-15 → 2026-06-30overdueAnthropic board approves $50B-class private fundraising round at near-trillion valuation
    How: Anthropic board approves and discloses a final ~$50B private round at $850B-$900B valuation; reported by Bloomberg/WSJ. Decision expected in May 2026 per Bloomberg
    Source: https://thenextweb.com/news/anthropic-900-billion-valuation-funding-roundconf 70%
  3. 2026-05-01 → 2027-06-30pendingCascade: Microsoft-OpenAI relationship publicly strained / repriced post-Anthropic-Amazon deal
    How: Microsoft and OpenAI publicly disclose changed terms (revised rev-share, reduced exclusivity, expanded competing-cloud rights, OpenAI-MS lawsuit, or Microsoft AI partnership with non-OpenAI lab); confirmed by major outlet
    Source: https://www.bloomberg.com/news/articles/2026-04-20/amazon-to-invest-an-additional-5-billion-in-anthropicconf 50%
  4. 2026-08-01 → 2027-03-31pendingAnthropic confidentially or publicly files S-1 with SEC
    How: Anthropic submits confidential S-1 (under JOBS Act) or public S-1 to SEC; verified via SEC EDGAR filing or Reuters/Bloomberg report citing filing
    Source: https://investorplace.com/hypergrowthinvesting/2026/04/anthropics-10000-revenue-growth-rate-could-make-this-the-ipo-of-2026/conf 55%
  5. 2026-10-01 → 2027-09-30pendingAnthropic prices IPO and begins public trading
    How: Anthropic prices IPO with shares listed on NYSE or NASDAQ; first public trading day occurs and is reported by major financial press
    Source: https://theaiinsider.tech/2026/04/30/anthropic-nears-50b-raise-at-up-to-900b-valuation-ahead-of-potential-ipo/conf 55%
  6. 2026-10-01 → 2027-12-31pendingCascade: Anthropic IPO valuation at first-day close exceeds $1T
    How: On Anthropic's first public trading day, fully-diluted market cap at session close exceeds $1T; verified via primary stock data feed (Nasdaq/NYSE)
    Source: https://techfundingnews.com/anthropic-50b-round-900b-valuation-ipo-report/conf 30%

What if this resolves?

Clamp this prediction TRUE or FALSE and run a counterfactual Gibbs sample. Surfaces the predictions whose marginals shift most under that assumption.
(live posterior: 47%)

Click a button to clamp this prediction and run a Gibbs sample. Returns the predictions whose marginals shift most. ~30s per run; ideal for stress-testing "if X resolves, what else moves?"

Evidence chain

Every probability update with full Bayesian provenance — chronological, latest first
metadata_milestone_miss_sweep2026-05-31T22:09:40Z46.8%+1.7pp
metadata_milestone_miss_sweep bayesian_v2 n=1 inside=0.394 blend=0.468 LLR=-0.233 κ=0.82 w_in=0.30 ipo_trillion_plus
Raw metadata
{
  "trf": 1,
  "kappa": 0.8214,
  "base_rate": 0.5,
  "predictor": "Dave Blundin",
  "total_llr": -0.4054651081081644,
  "grace_days": 7,
  "bayesian_v2": true,
  "prior_logit": -0.19763456435949178,
  "bayes_factor": "1.3:1 against",
  "blend_reason": "blend 30% inside / 70% outside (TRF=1.000, base_rate=0.500 from ipo_trillion_plus)",
  "inside_prior": 0.4507515559617038,
  "kappa_source": "predictor_table",
  "n_milestones": 1,
  "blend_applied": true,
  "contributions": [
    {
      "llr": -0.4054651081081644,
      "kind": "llm_pre_event",
      "kappa": 0.5749799999999999,
      "label": "Anthropic board approves $50B-class private fundraising round at near-trillion valuation",
      "weight": 0.4,
      "strength": "weak",
      "confidence": 0.7,
      "source_url": null,
      "adjusted_llr": -0.23313432786003233,
      "expected_date": "2026-05-23",
      "measurement_criterion": "Anthropic board approves and discloses a final ~$50B private round at $850B-$900B valuation; reported by Bloomberg/WSJ. Decision expected in May 2026 per Bloomberg"
    }
  ],
  "evidence_kind": "metadata_milestone_miss_sweep",
  "inside_source": "history_v2",
  "inside_weight": 0.3,
  "outside_weight": 0.7,
  "posterior_prob": 0.467737221144956,
  "posterior_logit": -0.4307688922195241,
  "predictor_brier": 0.0491,
  "inside_posterior": 0.39394274216013325,
  "blended_posterior": 0.467737221144956,
  "reference_class_id": "ipo_trillion_plus",
  "total_adjusted_llr": -0.23313432786003233,
  "predictor_n_resolved": 9
}
LBP2026-05-10T02:00:02Z45.1%-1.3pp
Network propagation: 46.3% → 45.1%
6-iter LBP, residual 0.00584 · damping 0.5, w_intrinsic 0.5 · method lbp_v3 · run e5c18d29
LBP2026-05-03T02:00:01Z46.3%-2.4pp
Network propagation: 48.7% → 46.3%
6-iter LBP, residual 0.00677 · damping 0.5, w_intrinsic 0.5 · method lbp_v3 · run 1a683ac9
LBP2026-04-30T16:39:51Z48.7%-2.8pp
Network propagation: 51.5% → 48.7%
5-iter LBP, residual 0.00825 · damping 0.5, w_intrinsic 0.5 · method lbp_v2 · run 0c8a4ea3
legacy v12026-04-30T16:13:50Z51.5%+2.2pp
reference_class_assigned bayesian_v2 inside=0.550 blend=0.515 w_in=0.30 ipo_trillion_plus
LBP2026-04-30T02:18:57Z49.3%-2.2pp
Network propagation: 51.5% → 49.3%
5-iter LBP, residual 0.00825 · damping 0.5, w_intrinsic 0.5 · method lbp_v1 · run 592311ef
legacy v12026-04-30T01:56:50Z51.5%-3.5pp
reference_class_assigned bayesian_v2 inside=0.550 blend=0.515 w_in=0.30 ipo_trillion_plus

Network propagation neighbors

Top edges sorted by latest LBP cross-impact
All propagation →

Top incoming (parents)

Edges that influence THIS node's belief

KindNodeTheir probP(c|s=T)P(c|s=F)Δ implied
killerTK09
Energy Grid Cap (Data Center Power Wall)
35.0%0.0500.550-0.093
prereqSEM_015
Nvidia agreed to remit 15% of China chip-sale revenue directJensen Huang
66.3%0.5500.050-0.082
prereqSEM_027
Nvidia Data Center revenue +66% YoY, contributing ~90% of $5Joseph Moore
68.3%0.5500.050-0.081
killerTK05
Rate Regime Persistence (10y > 5% through 2028)
30.0%0.0500.550-0.068
prereqSEM_012
Nvidia quadrupled chip production output while only doublingJensen Huang
75.0%0.5500.050-0.046

Top outgoing (children)

Predictions THIS node influences

KindNodeTheir probP(c|s=T)P(c|s=F)Δ implied
prereq232_057
First person to arrive on moon/Mars will find bed made by OpDave Blundin
34.8%0.6000.050-0.049
prereq242_023
World will have 10x more wealth around 2034-2036Dave Blundin
34.2%0.6000.050-0.043
prereq246_016
Dragonfly nuclear-powered octicopter arrives at Titan in 203Peter Diamandis
35.6%0.6500.050-0.035
prereq230_020
Peter's 14-year-old son Milan will never get a driver's licePeter Diamandis
34.7%0.6500.050-0.025
prereq240_036
TEPCO's restarted reactor will support 20% of Japan's electrPeter Diamandis
34.3%0.6500.050-0.021

Ticker exposure

37 ticker(s) linked

Beneficiaries (24)

MUWULFIRENEQIXALABAPLDASMIYASMLPLABNVDANBISCRWVAAPLAMTAMZNDELLGOOGLIRMLNVGYMETAMSFTORCLSFTBYSTX

Adverse (6)

ACNGENCHGGIBMWNSLRN

Prerequisites (13)

Predictions that must hit first
TypePredTitleDomainLag
prereqSEM_027Nvidia Data Center revenue +66% YoY, contributing ~90% of $57B fiscal Q3 revenue; >$4.5T market cap entirely underpinned by AI silicon.Capital Markets
prereqSEM_011Nvidia became the world's first $5 trillion company (late 2025), operating a near-monopoly on advanced AI chips.Capital Markets
prereqSEM_014Nvidia's Arizona-based TSMC factory successfully fabricated cutting-edge semiconductors on US soil for first time in decades (October 2025).Manufacturing
prereqSEM_012Nvidia quadrupled chip production output while only doubling human headcount — achieved by deploying AI coding tools (Cursor, Claude Code) across engineering.AI/Manufacturing
prereqSEM_015Nvidia agreed to remit 15% of China chip-sale revenue directly to US government in exchange for reversing specific AI chip export bans.Policy/Semis
correlateS_IPO_TRILLION_2027First $1T+ IPO in 2027ipo_trillion_plus
correlateS_IPO_TRILLION_2026First $1T+ IPO in 2026ipo_trillion_plus
correlateS_IPO_TRILLION_2028First $1T+ IPO in 2028ipo_trillion_plus
killerTK09Energy Grid Cap (Data Center Power Wall)
killerTK05Rate Regime Persistence (10y > 5% through 2028)
killerTK01AGI Capability Plateau (2026-27 Training Stall)
killerTK02AI Compute Supply Shock (TSMC/Taiwan Disruption)
killerTK03AI Regulatory Moratorium (EU/US Capability Freeze)

Dependents (5)

Predictions enabled by this
TypePredTitleDomainLag
prereq230_020Peter's 14-year-old son Milan will never get a driver's license.Auto/Transport
prereq246_016Dragonfly nuclear-powered octicopter arrives at Titan in 2034.Space
prereq240_036TEPCO's restarted reactor will support 20% of Japan's electric needs by 2040Energy
prereq232_057First person to arrive on moon/Mars will find bed made by Optimus robots; robots not astronauts lead exploration.Robotics
prereq242_023World will have 10x more wealth around 2034-2036Macro/Economy

Linked documents (7)

Auto-generated by cosine similarity from Polymarket / Manifold / EDGAR / GDELT
SimSourceTitleMarket probPolarityReviewedPublished
0.813manifoldWill Anthropic IPO by….?mentionspending2026-06-02
0.777manifoldWhat % of Anthropic's IPO share price will the PreStocks Anthropic token trade at?50%mentionspending2026-05-11
0.775manifoldAnthropic closing market cap on IPO day?mentionspending2026-06-01
0.711polymarketWill Anthropic flip BTC by December 31?28%mentionspending2026-04-28
0.663gdeltwere raising our price target on amazon by 50 after killer quarter.htmlmentionspending2026-04-30
0.637polymarketWill Amazon be the largest company in the world by market cap on June 30?0%mentionspending2025-10-10
0.634polymarketWill Amazon be the largest company in the world by market cap on May 31?0%mentionspending2026-04-16

Raw metadata

From Thesis_Timeline_v1.0_FINAL workbook
{
  "nia": false,
  "qty": "$50B from Amazon",
  "url": "https://www.youtube.com/watch?v=uOGHXAfvK8w",
  "mode": "PREDICTION",
  "role": "Host",
  "context": "they're heading towards an IPO and they are basically shortch changing Microsoft and going for 50 billion from Amazon.",
  "to_year": 2026,
  "verbatim": "they're they're heading towards an IPO and they are basically shortch changing Microsoft and going for 50 billion from Amazon.",
  "direction": "HAPPEN",
  "from_year": 2026,
  "timeframe": "Future (near-term)",
  "conv_level": "MEDIUM",
  "milestones": [
    {
      "kind": "llm_pre_event",
      "label": "Anthropic and Amazon disclose new strategic agreement (>$5B incremental investment)",
      "source": "https://www.cnbc.com/2026/04/20/amazon-invest-up-to-25-billion-in-anthropic-part-of-ai-infrastructure.html",
      "status": "hit",
      "weight": 0.4,
      "ordinal": -6,
      "source_id": null,
      "confidence": 0.99,
      "expected_date": "2026-04-20",
      "observed_date": "2026-04-20",
      "research_origin": "training",
      "measurement_criterion": "Amazon discloses additional Anthropic investment in 2026, with Anthropic committing reciprocal AWS spending; confirmed via Amazon/Anthropic press releases and Bloomberg/CNBC. Amazon committed up to $25B more (on top of $8B prior); Anthropic pledged $100B AWS spend over 10 years"
    },
    {
      "kind": "prereq",
      "label": "Nvidia became the world's first $5 trillion company (late 2025), operating a near-monopoly on advanced AI chips.",
      "status": "hit",
      "weight": 0.5,
      "ordinal": -5,
      "source_id": "SEM_011",
      "expected_date": "2026-04-29",
      "observed_date": "2026-04-29"
    },
    {
      "kind": "prereq",
      "label": "Nvidia Data Center revenue +66% YoY, contributing ~90% of $57B fiscal Q3 revenue; >$4.5T market cap entirely underpinned by AI silicon.",
      "status": "hit",
      "weight": 0.5,
      "ordinal": -4,
      "source_id": "SEM_027",
      "expected_date": "2026-04-29",
      "observed_date": "2026-04-29"
    },
    {
      "kind": "prereq",
      "label": "Nvidia's Arizona-based TSMC factory successfully fabricated cutting-edge semiconductors on US soil for first time in decades (October 2025).",
      "status": "hit",
      "weight": 0.5,
      "ordinal": -3,
      "source_id": "SEM_014",
      "expected_date": "2026-04-29",
      "observed_date": "2026-04-29"
    },
    {
      "kind": "prereq",
      "label": "Nvidia quadrupled chip production output while only doubling human headcount — achieved by deploying AI coding tools (Cursor, Claude Code) a",
      "status": "hit",
      "weight": 0.5,
      "ordinal": -2,
      "source_id": "SEM_012",
      "expected_date": "2026-04-29",
      "observed_date": "2026-04-29"
    },
    {
      "kind": "llm_pre_event",
      "label": "Anthropic board approves $50B-class private fundraising round at near-trillion valuation",
      "source": "https://thenextweb.com/news/anthropic-900-billion-valuation-funding-round",
      "status": "overdue",
      "weight": 0.4,
      "ordinal": -1,
      "source_id": null,
      "confidence": 0.7,
      "expected_date": "2026-05-23",
      "miss_emitted_at": "2026-05-31T22:09:40.747869+00:00",
      "miss_emitted_by": "metadata_milestone_sweep",
      "research_origin": "training",
      "expected_date_range": {
        "to": "2026-06-30",
        "from": "2026-04-15"
      },
      "measurement_criterion": "Anthropic board approves and discloses a final ~$50B private round at $850B-$900B valuation; reported by Bloomberg/WSJ. Decision expected in May 2026 per Bloomberg"
    },
    {
      "kind": "event",
      "label": "Anthropic heading to IPO, pursuing $50B from Amazon",
      "status": "pending",
      "weight": 1,
      "ordinal": 0,
      "source_id": "240_055",
      "expected_date": "2026-06-16",
      "observed_date": null
    },
    {
      "kind": "llm_post_event",
      "label": "Cascade: Microsoft-OpenAI rela
... (truncated)