The primary resolution mechanism is the XTracker 'Post Counter' for @elonmusk between 2026‑09‑26 12:00 PM ET and 2026‑09‑28 12:00 PM ET. Historical 2026 data and archival snapshots show substantial day‑to‑day variability: some days have only a few main‑feed posts while other days include large spikes (dozens or hundreds). Polymarket/XTracker rules and archival tools mean reposts, quote posts and captured deleted posts can raise the recorded count. The largest uncertainties are Musk’s private intentions during the exact 48‑hour window and any platform or tracker failures. The resolution criterion is unambiguous (Post Counter figure), but outcomes are sensitive to unpredictable personal and platform events.
a9-predict-0.3.0 · 49350ce47fa1439670e052ef380b5ccd47ebc4ad52b1414210c04c64d3daf1bfTracked question
Will Elon Musk post <40 tweets from September 26 to September 28, 2026?
A9 gives this a 25% chance of happening. That's about the same as the betting market (24%). A9 researched this on the web before forecasting.
Market 24%Polymarket
A9 Predict 25%high confidence
Jev on its own said 33%
+2 pts vs market
Leans NO
Why A9 thinks this
The evidence, separated.
The primary resolution mechanism is the XTracker 'Post Counter' for @elonmusk between 2026‑09‑26 12:00 PM ET and 2026‑09‑28 12:00 PM ET. Historical 2026 data and archival snapshots show substantial day‑to‑day variability: some days have only a few main‑feed posts while other days include large spikes (dozens or hundreds). Polymarket/XTracker rules and archival tools mean reposts, quote posts and captured deleted posts can raise the recorded count. The largest uncertainties are Musk’s private intentions during the exact 48‑hour window and any platform or tracker failures. The resolution criterion is unambiguous (Post Counter figure), but outcomes are sensitive to unpredictable personal and platform events.
For
Archive snapshots of @elonmusk's X feed show many days with only a small number of main‑feed posts (examples from Sept 23–25, 2026 on elonmuskarchive.org), demonstrating that it is plausible for a particular 48‑hour window to contain fewer than 40 posts.
Some independent trackers and archival indexes (e.g., postxpulse, elonmuskarchive) report per‑day totals that are modest on many days in 2026, indicating substantial day‑to‑day variability rather than a guaranteed high floor.
Platform rate‑limit reports and community discussion from 2026 describe throttles/rate limits on posting that can reduce burst posting (semi‑hourly and daily limits were reported), any of which could lower counts during a given 48‑hour window.
Against
Polymarket / XTracker markets and documentation show many resolved markets where weekly counts for @elonmusk are in the hundreds, implying multi‑dozen posts per 48‑hour window are common; the official resolution source for these markets is the XTracker 'Post Counter' which captures reposts, quote posts and main‑feed posts (increasing counts).
Crowd tracking and independent analyses (Reddit data tracking and user analyses) document frequent high‑volume days and occasional extreme spikes (examples of days with very large numbers of posts were reported in mid‑2026), which demonstrate he has a history of producing ≥40 posts within some 48‑hour windows.
Polymarket/Polymart guidance makes clear deleted posts count if captured by the tracker (~5 minutes) and that the tracker counts reposts & quotes—both factors increase the likely recorded total versus counting only original tweets.
Unknown
Elon Musk's exact behavior and posting intent during Sept 26–28, 2026 (including whether he will engage in a high‑volume posting spree, delegate posts, or refrain from posting) and any platform events (account suspension/outage, new enforced rate limits) or tracker ingestion failures during that 48‑hour window.
What would change A9's mind
- Account outage/suspension or X platform downtime during the 48‑hour window (would strongly decrease the count).
- A major breaking event or announcement (SpaceX/Tesla/xAI news, political event, or live stream) causing Musk to post many rapid updates or reposts (would increase the count).
- A change in X policy or enforcement (tightened rate limits during the window) or deliberate decision by Musk/X staff to throttle or automate posts (would decrease the count).
- Tracker/data‑capture failure (xtracker not recording posts or failing to export) or posts deleted faster than the tracker capture window (~5 minutes) (could make recorded total lower than actual).
- Delegation of posting to staff or automated feeds that produce many reposts/quotes (would increase recorded total).
Probability history
A9 never rewrites the past.
MarketA9Me