AI Bubble Watch
Preview text: AI Bubble Watch Equity breadth weakening, watching the Cisco/Sycamore/Juniper analogs

- Subject
- AI Bubble Watch
- Preview text
- AI Bubble Watch Equity breadth weakening, watching the Cisco/Sycamore/Juniper analogs
- From
- vperception@
substack.com - Brand
- Variant Perception
- ESP
- HubSpot
- Sent
- Thu Oct 8, 2026, 3:12 PM ET
- Size
- 99 KB
- Images
- 26
- Links
- 31, 9 of them buttons
- Subject length
- 15 characters
Against Variant Perception's usual
Sent in the 3 PM hour, which holds 5% of its emails; 46% arrive in the 4 PM hour. The subject is 15 characters; its average is 43.
Email headers
What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.
- From
- The Variant Perception Blog <[email protected]>
- Reply-To
- The Variant Perception Blog <…@mg1.substack.com>
- Subject
- AI Bubble Watch
- Date
- Thu, 8 Oct 2026 19:12:49 +0000
- Message-ID domain
- mg-d1.substack.com
- Return-Path domain
- mg-d1.substack.com
- DKIM signature
- d=mg-d1.substack.com s=k1
- List-Unsubscribe
- Present, one-click
- Feedback-ID sender
- substack
Servers it passed through, newest first
- by … with HTTP
Other sending headers (names only): X-Mailgun-Sid, X-Mailgun-Sending-Ip, X-Mailgun-Batch-Id, X-Mailgun-Tag, X-Mailgun-Track-Clicks, X-Mailgun-Variables
Sent just before and after
| Oct 15, 2026 12:53 PM | Fed Hike Signals Transition to Late-Cycle Environment | |
| Oct 12, 2026 4:36 PM | Hiking into weaker growth | |
| Oct 9, 2026 12:28 PM | VPX 3Q 2026 Quarterly Letter | |
| Oct 8, 2026 3:12 PM | AI Bubble Watch (this email) | |
| Oct 6, 2026 4:12 PM | Lower Margin of Safety | |
| Oct 2, 2026 12:44 PM | Variant Perception Cycle Aware ETF (VPX) Performance and Rebalance Notification | |
| Sep 27, 2026 4:55 PM | Housing Headwinds to Restrain Hawkish Pricing |
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Same ESP and the closest weekly volume, sent on Oct 8, 2026.








