Anthropic + OpenAI vs Meta - higher valuation on June 30?

According to the latest prediction market data for the query “Anthropic + OpenAI vs Meta - higher valuation on June 30?”, traders have formed a strong consensus.

Currently, Anthropic + OpenAI is dominating the market with an overwhelming 96.6% chance of winning. Meta follows in second place at 3.4%. The betting volume for this specific market has already reached $15.1K, reflecting intense industry interest.

To better assess where each potential outcome stands, the market can be segmented into three distinct trading tiers based on implied probability and contract pricing:

🥇 Tier 1: The Dominant Leader

• Anthropic + OpenAI (96.6%): Currently commanding the highest probability, Anthropic + OpenAI is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 97¢, signaling a high degree of market conviction.

🥈 Tier 2: The Primary Challengers

• Meta (3.4%): Positioned as the most viable alternative, Meta maintains a 3.4% chance of resolving true. Its “Buy Yes” shares currently trade at 3¢.

This market will resolve to "OpenAI + Anthropic" if the combined private market valuation of Anthropic and OpenAI is larger than Meta's market capitalization on June 30, 2026, or to "Meta" if Meta's market capitalization exceeds that combined valuation.

NPM Prices are published for trading days only and are updated once daily at 1:00 PM ET on the following calendar day.

If NPM has not published relevant data for the specified date by 1:00 PM ET on July 1, 2026, this market may remain open until 11:59 PM ET on July 4, 2026. If no further data is released by that time, the market will resolve according to the data available.

If NPM ceases publishing relevant data prior to the specified date, this market will resolve based on the NPM data published prior to the cessation of coverage, as well as applicable public market capitalization data following an IPO or direct listing.

If a private company completes an IPO or direct listing prior to the specified date, this market will resolve according to the company's public market capitalization at the market close of the specified date or the most recent trading day.

Public market capitalization will be determined using the final official regular-hour trading price published for the company's primary listed common equity on its primary exchange for the specified date or the most recent trading day, multiplied by the company's total outstanding common shares at the relevant time.

If the listed company merges with or acquires another entity and remains the parent company, no change to resolution methodology applies.

If a listed company is acquired, merges into another entity and is no longer the surviving parent company, or otherwise ceases to exist as an independent entity prior to the end of the period, only the last NPM valuation and applicable public market capitalization achieved prior to completion of the transaction will be considered for resolution. No transaction, acquisition, or merger consideration will be considered for resolution.

The resolution source for this market is NPM data published here (https://fe.secondmarket.com/companies/company-30839e0b-2730-4495-839f-1bf638fa9cca/data?return_url=https://polymarket.com/finance/privates) and here (https://fe.secondmarket.com/companies/company-3e197763-4ff8-4d8c-bd1f-cc2792937757/data?return_url=https://polymarket.com/finance/privates). The resolution source for any period following an IPO, direct listing, or relevant corporate action, will be official exchange trading data and publicly reported share counts.

If Anthropic and OpenAI's combined valuation is equal to Meta's public market capitalization at resolution, each outcome will resolve to 0.5.

Revisions to previously published NPM data made after their initial release will not be considered, unless made to correct clearly erroneous data.

While human consensus and speculative volume shape the broader prediction market, our quantitative algorithms offer a data-driven counter-perspective. By analyzing fundamental signals, underlying trends and historical distributions, our AI Valuation model calculates an independent “Fair Value” probability for each outcome.

Comparing this Fair Value against the current Trade Value uncovers major disparities — known as the Expected Value (EV) Gap. Contracts with a positive EV Gap represent statistically underpriced outcomes, whereas a negative EV Gap flags a potential market overreaction.

Top AI Alpha & Mispriced Arbitrage Opportunities

Based on the latest data model run, several key contracts stand out with significant deviations:

• The Most Overvalued Outcome Anthropic + OpenAI currently trades at 96.6%, but our AI places its Fair Value at just 95.2%. This creates a large negative EV Gap of -1.4%, suggesting the crowd may be overhyping this outcome and driving the premium too high.
• The Best Value Play (Highest EV) Our model identifies Meta as the premium value opportunity on the board. While the market only assigns it a 3.4% trading probability, our AI’s Fair Value assessment sits at 4.8% — yielding an impressive +1.4% EV Gap.