https://simonhertz.com/2026/10/17/put-call-parity-plain-english/ 2026-10-17T13:34:37Z Simon Hertz en Put-Call Parity in Plain English 2026-10-17T13:34:37Z Blog https://simonhertz.com/2026/10/16/yields-ease-vix-desk-notes-expiration-fed-october-2026/ 2026-10-16T20:52:22Z Simon Hertz en Yields Ease, VIX at 16.46: Desk Notes for Expiration Into the Fed 2026-10-16T11:50:00Z Blog https://simonhertz.com/2026/10/15/hot-core-cpi-vix-desk-notes-ppi-retail-sales-october-2026/ 2026-10-16T20:52:26Z Simon Hertz en Hot Core CPI, VIX at 16.87: Desk Notes for PPI and Retail Sales Day 2026-10-15T11:49:39Z Blog