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

Platform comparison

Market context

Polymarket is pricing this Elon Musk X-post count contract at **0% YES** today, so the crowd is effectively saying the August 11-18 window should not land in the listed target range. The market resolves on the basis of Musk’s main-feed activity on X between **11 August 12:00 PM ET and 18 August 12:00 PM ET**, with **main posts, quote posts and reposts** counted, while ordinary replies are excluded unless they appear on the main feed and are captured by the tracker. Settlement is in Polymarket’s usual on-chain format: traders post **USDC** on **Polygon**, and the winning conditional token redeems at **$1** if the condition is met.

For context, comparable Musk tweet-count markets have tended to price in very high posting frequency rather than inactivity. In the immediately preceding weekly market for **4-11 August 2026**, the leading bucket was **180-199** at **35%**, with **200-219** close behind at **33%**, and Polymarket reported **$1.2 million** in volume there[2]. The broader August 2026 monthly market also clustered around heavy output, with **1000+** leading at **18%** and **800-839** next at **15%**, which suggests traders have recently treated Musk’s posting cadence as structurally elevated rather than episodic[4]. A live tracker currently shows the August 11-18 contract at **0 tweets** before the window starts, which is useful as a baseline but not a forecast of eventual activity[1].

The main catalysts are practical rather than scheduled: any burst of posts tied to **X product changes, Tesla or xAI announcements, legal or regulatory developments, or major public debates** can quickly move the count, especially because reposts and quote posts qualify here. Musk’s account remains the only live source that matters for resolution, so traders usually watch for late-week appearance risk, time-zone effects, and whether his posting pattern changes around news cycles or interviews on X itself[3]. Because deleted posts still count if the tracker captures them within roughly five minutes, short-lived posting spikes can matter almost as much as durable ones.

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.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

Do I need to KYC for this market?

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

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.