Rephrase the title:2 key bubble ingredients are missing from today's stock market

Rephrase and rearrange the whole content into a news article. I want you to respond only in language English. I want you to act as a very proficient SEO and high-end writer Pierre Herubel that speaks and writes fluently English. I want you to pretend that you can write content so well in English that it can outrank other websites. Make sure there is zero plagiarism.:

“Margin debt and options open interest suggest that it’s not speculation driving the rally,” strategist Skylar Koning said in a recent note.