You agree to the terms of service below, and the Terms of Use for Substack, the technology provider.
Refund & Cancellation Policy
All payments for subscriptions to DeltaSignal Substack are final and non-refundable.
Due to the digital nature of the content, we do not offer refunds for any reason, including change of mind, partial use, or dissatisfaction once access has been granted.
You may cancel your subscription at any time from your Substack account settings. Upon cancellation, you will continue to have access until the end of your current billing period and will not be charged again.
By subscribing, you acknowledge and agree to this policy.
Last updated: January 2026