Subscribe to Cheryl Watson’s Tuning Letter
2026 Subscription Rates
- 2026 rate is effective for subscriptions starting October 1st 2025
- Electronic format only
- Please include subscriber’s email address and one alternate (or group) email with your order! Orders cannot be processed without it
- There are no agency discounts
- Subscriptions are payable in US dollars only
- Subscriptions may be started with any issue (any quarter)
Single Site
(annual subscription)
$1,869
Authorizes distribution within receiving site only for the PDFs and online access, but allows site-wide distribution of the CPU Chart to all employees of the company.
2–4 Sites
(annual subscription)
$3,024
Authorizes distribution within receiving site and to the number of affiliate sites purchased only.
Includes PDFs and online access, plus site-wide distribution of the CPU Chart to all employees of the companies purchased.
5–10 Sites
(annual subscription)
$6,773
Authorizes distribution within receiving site and to the number of affiliate sites purchased only.
Includes PDFs and online access, plus site-wide distribution of the CPU Chart to all employees of the companies purchased.
11+ Sites
(annual subscription)
Contact for Pricing
Authorizes distribution within receiving site and to the number of affiliate sites purchased only.
Includes PDFs and online access, plus site-wide distribution of the CPU Chart to all employees of the companies purchased.
For more than 30 years, Cheryl Watson’s Tuning Letter has been the premier source of mainframe performance tuning insights. Renowned for its in-depth analysis and expert guidance, the Tuning Letter helps thousands of organizations optimize their z/OS and MVS environments, cutting through complexity with practical, field-tested advice.
As technology and workloads have evolved, so has the Tuning Letter. Through it, readers say they:
- Gain the tools to bridge the mainframe skills gap
- Stay ahead of rapid hardware and OS changes
- Tap into a gold-standard reference library when troubleshooting
- Eliminate vendor noise
- Learn new tuning strategies that drive measurable cost savings
Every article, presentation, and tip is designed to help solve problems faster and keep your systems running at peak performance.
Join the thousands of mainframers worldwide who rely on the Tuning Letter.