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AI · Polymarket

Will OpenAI’s valuation be between $800B and $900B at the end of September 2026?

Trade on Polymarket →
30.50%
Fri 07Aug 09Tue 11Thu 13Sat 15Mon 17Wed 19Fri 21Aug 23Tue 25Thu 27Sat 29Mon 31SeptemberThu 03Sat 05Mon 07Wed 09Fri 11Sep 131020304050607080%31.00%MODEL PROJECTION
Model projection: 27.8% in 14d (18.5–39.4%)-0.00pt/dayaccuracy →

Stats

24h Volume
$69
Momentum
-0.00pt/day

Live Order Book Depth

Spread
4.0¢ (12.9%)
Mid Price
31.0¢
Total Depth
$6,480
Bid/Ask Imbalance
2% bid
Bids (Buy)
29.0¢40
28.0¢222
27.0¢30
21.0¢96
18.0¢20
7.0¢20
6.0¢45
1.0¢15
Asks (Sell)
33.0¢45
34.0¢43
35.0¢230
36.0¢70
37.0¢55
38.0¢5
58.0¢100
59.0¢100
Estimated Slippage to Buy "Yes"
walking the real book
$100 order
34.54¢+4.67%
avg fill · slippage
$1,000 order
65.48¢+98.41%
avg fill · slippage
$10,000 order
91.00¢+175.74%
avg fill · slippage
Book too thin to fill fully

Compare Across Platforms

Not listed on another platform we track — but this looks like it might be the same real-world bet (unconfirmed):

ManifoldOpenAI ChatGPT Astra publicly available in September 2026?
77.84%
Same bet?

Frequently Asked Questions

What is the current probability for "Will OpenAI’s valuation be between $800B and $900B at the end of September 2026?"?

As of the latest update, Polymarket prices this at 30.50%, based on $69 in tracked 24h trading volume.

When does this market close?

This contract is scheduled to resolve on or around September 30, 2026, per Polymarket's listed close time.

Where can I trade this market?

This contract trades live on Polymarket. You can view the live order book and trade it directly at the source link on this page.

Is this market listed on other prediction platforms?

Not currently listed on another platform PredictRankd tracks (Kalshi, Manifold, PredictIt, Limitless, Smarkets, Futuur), or no confidently-verified match was found.