Arqit Quantum (ARQQ) stock calls: who's bullish, who's bearish, and their track records
As of October 8, 2026, MCAFax has logged 2 calls on Arqit Quantum (ARQQ) from 1 tracked investor: 0 bullish, 2 bearish and 0 neutral. The most recent is bearish, posted by @DeepSailCapital on Oct 8, 2026 when ARQQ last closed at $22.55. None of these calls has been scored yet; calls are scored 180 days after the post.
Not investment advice; for research and education.
Who is bullish and who is bearish on ARQQ?
Unique call. Only Deep Sail Capital (@DeepSailCapital) has a logged call on ARQQ, so there is no consensus to measure yet. A call nobody else in our database is making is, by definition, non-consensus among the voices we track.
Every logged ARQQ call
| Date | Player | Call | Price at call | Current / outcome | Result | Source |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | Deep Sail Capital (@DeepSailCapital) | Bearish (short) | $22.55 | Open; scored 180 days after the post | Open (reiteration, counted once) | post |
| Sep 28, 2026 | Deep Sail Capital (@DeepSailCapital) | Bearish (short) | $24.60 | Open; scored 180 days after the post | Open (not yet scored) | post |
Dates are the post date in US Central time. Prices are closes in the listing currency. Open calls are not marked to market on this page; they are scored 180 days after the post.
The bull case for ARQQ
No tracked investor has a current bullish thesis on ARQQ.
The bear case for ARQQ
- Even after a 20% drop on preliminary results, ARQQ is ~$300m or ~450x revenue. (Deep Sail Capital (@DeepSailCapital), Oct 8, 2026; source)
- Re-shorting ARQQ after a bounce; borrow cost has eased. (Deep Sail Capital (@DeepSailCapital), Sep 28, 2026; source)
Thesis lines are MCAFax summaries in our own words; follow the source link for the author's full post.
In their own words
- @DeepSailCapital (Oct 8, 2026): "Still worth $300m or like 450x revenue."
- @DeepSailCapital (Sep 28, 2026): "Back to a good spot to re short it."
Track records of the players calling ARQQ
| Player | Calls on ARQQ | Career W-L | Win % | Avg edge vs S&P | Status |
|---|---|---|---|---|---|
| Deep Sail Capital (@DeepSailCapital) | 2 | 13-12 | .520 | +8.9 | Ranked #4 (career) |
See the full market-calls leaderboard for every player's record.
How we score these calls
A call wins when, 180 days after the post, the stock beat the S&P 500 in the direction the investor called (a long must outperform the index, a short must underperform it). Edge is the gap versus the S&P 500 in percentage points. Price at call is the last close known at the time of the post (Yahoo Finance daily bars, split-adjusted, in the listing currency). Track records cover calls from roughly the past year.
Last updated: October 8, 2026
Not investment advice; for research and education.
FAQ
Who is bullish on Arqit Quantum (ARQQ)?
As of October 8, 2026, none of the investors MCAFax tracks has made a bullish call on ARQQ.
Who is bearish on ARQQ?
As of October 8, 2026, @DeepSailCapital has logged bearish calls on ARQQ. Current bearish voices: @DeepSailCapital.
What is the consensus on ARQQ among tracked investors?
Only one tracked investor (@DeepSailCapital) has a logged call on ARQQ, so it is a unique, non-consensus call for now.
What price was ARQQ at when these calls were made?
Prices at call ranged from $22.55 to $24.60. The most recent call was made when ARQQ last closed at $22.55. We use the last close known when each post went up.
How have past ARQQ calls performed?
No ARQQ call has been scored yet. Calls are scored 180 days after the post against the S&P 500.
Is there a contrarian call on ARQQ?
Unique call. Only Deep Sail Capital (@DeepSailCapital) has a logged call on ARQQ, so there is no consensus to measure yet. A call nobody else in our database is making is, by definition, non-consensus among the voices we track.
How does MCAFax score stock calls?
A call wins when, 180 days after the post, the stock beat the S&P 500 in the direction the investor called (a long must outperform the index, a short must underperform it). Edge is the gap versus the S&P 500 in percentage points. Price at call is the last close known at the time of the post (Yahoo Finance daily bars, split-adjusted, in the listing currency). Track records cover calls from roughly the past year.
Where do these calls come from?
Public posts on X by investors MCAFax tracks. Each call links to the original post, and we log only posts that name a ticker and take a side. Theses are summarized in our own words.
Is this investment advice?
No. This page is journalism and research for education. It reports what tracked investors said and how their past calls performed.
How often is the ARQQ page updated?
It is regenerated from the MCAFax market-calls database whenever new calls are logged or scored. This version is current as of October 8, 2026.