Sigma-L - Market Cycles
David FGain a unique insight into financial market movement via our proprietary time frequency analysis, coupled with expert insight. Updates each week on major markets across the planet. If a cycle exists, we will detect it.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 845 | Subscribers | Read | sigma-l.net |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Bitcoin Cycles Update - 22nd October 2025 | ~ 80 Day Cycle
Last trade: - 3.91% | 'B' class signal detected in Bitcoin (BTC/USD). Running at an average wavelength of 84 days over 15 iterations since May 2022. Currently peaking
New! TSLA 156 Day Cycle Update - 21st October 2025
Last trade: + 35.26%
Cycles in Gold vs Silver: 38 Week Cycle
'A' class cycle signal detected in XAU/XAG. Running at an average wavelength of 266 days (~ 38 weeks) over 13 iterations since December 2015. Currently troughing.
Bitcoin Cycles Latest - 22nd September 2025 | ~ 80 Day Cycle | Last Trade: + 6.06%
Last trade: 6.06% | 'B' class signal detected in Bitcoin (BTC/USD). Running at an average wavelength of 84 days over 15 iterations since May 2022. Currently troughing
Authors
The writers behind this newsletter.
Full time trading for 8+ years. Merged JM Hurst's original great insight with modern signal processing techniques. Often contrary views on markets. Also code financial market based algorithms, play piano when I can and love cricket!
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