Elon Musk # tweets August 11 - August 18, 2026?

Platform comparison

Market context

Elon Musk’s posting cadence on X is the key driver here, because the contract counts main-feed posts, quote posts and reposts, but excludes replies unless they appear on the main feed and are captured by the tracker. The crowd price of 0% YES sits at the extreme low end for a narrow, one-week bucket, while comparable August tweet-count markets on other venues have often priced a much broader range of outcomes in the teens to mid-single digits for specific brackets, indicating that traders usually treat Musk’s output as volatile but not binary.[1][2][6][7][9]

Historical counting markets around Musk tend to be read through recent posting intensity rather than long-run averages. He has repeatedly produced days with well over 100 posts on X, with secondary trackers and recap videos showing bursts such as 147 posts in a day and other high-activity stretches in early August 2026, which is why analyst-style expectations usually centre on whether a busy news cycle or product push lifts him into a dense posting band rather than whether he will be inactive.[8][11] That said, the current 0% implied probability suggests this contract is being treated more like a statistical outlier than a normal high-frequency Musk week.[1][6]

For traders, the main catalysts are scheduled announcements, regulatory or product news, and any live controversy that prompts rapid posting from Musk’s account. Coverage in recent months has tied his online activity to major business and policy themes, including AI infrastructure and data-centre debates, which can trigger clusters of reposts and quote posts if they break during the measurement window.[10][12] Because deleted posts still count if the tracker captures them and replies do not, the market is sensitive to short-lived bursts as well as headline-driven spikes, making sportsbook-style lines and prediction-market prices vulnerable to sudden repricing if he is unusually active in the 24–48 hours before 18 August.[2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Elon Musk # tweets August 11 - August 18, 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

UK Frequently Asked Questions

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

What are the best prediction markets for UK traders in 2026?

For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.