Have you considered using the "Multiple Choice -> Any number of answers" type for these markets? It's a better bettor experience IMO.

@kenakofer - I considered it, but decided against it for a couple of reasons:

• Market title was too confusing. Essentially, the question would be "which months will sell more weed in Oregon than the month prior?" which felt clunky and uninteresting.

• Harder to run the prediction side of things. I'd have to change the market closing date each month if I wanted to preserve the prediction aspect. As binaries, I just set the closing date and forget about it until I have to resolve. (Would be cool if MC markets allowed me to set a closing date for each option)

• Other traders have mentioned that binary markets (like this one) get more traction than if bundled in a MC market. Bundling them would be cheaper, but separating them into binaries seems to get more audience participation.