Robinhood invested in Rosera rather than building its own prediction market exchange to avoid conflicts of interest, heavy regulation, and liquidity fragmentation. This separation of broker and exchange functions is standard in traditional equity markets but contrasts sharply with the vertically-integrated model common in crypto.

Speculation is often maligned as mere gambling, but it is a critical component for price discovery, liquidity, and risk transfer in any healthy financial market. Without speculators, markets would be inefficient. Prediction markets are an explicit tool to harness this power for accurate forecasting.

To build deep liquidity, Interactive Brokers plans to standardize its contracts to be identical to competitors'. This will enable a consolidated feed and "best execution" routing, mirroring the structure of modern equity markets where a single stock trades across multiple venues.

Susquehanna is bootstrapping institutional liquidity in prediction markets by offering to take on tens of millions in risk, even on contracts with low retail volume. They trust the price discovery from a small number of "super forecasters" to price these large trades.

The true value of prediction markets lies beyond speculation. By requiring "skin in the game," they aggregate the wisdom of crowds into a reliable forecasting tool, creating a source of truth that is more accurate than traditional polling. The trading is the work that produces the information.

Rather than killing polling, prediction markets make it better. By creating a tradeable market around outcomes, they introduce a strong financial incentive for pollsters and campaigns to be accurate. This shifts focus from commissioning polls that confirm biases to producing data that can actually win trades, improving information quality.

The primary benefit of prediction markets is not their inherent accuracy, which can be flawed. Instead, their value lies in creating a system where participants face tangible financial consequences for being wrong, fostering a more accountable form of expertise compared to media punditry.

The primary innovation of prediction markets isn't just the event contracts themselves, but the incredible speed-to-market. A new, bespoke hedging instrument can be listed in a day, compared to the year-long process required by traditional futures exchanges.

Thomas Peterffy compares the nascent state of prediction markets to the early options market. He argues that liquidity is initially low but will build over decades as participants become familiar with the instruments, suggesting a long-term vision is required for institutional adoption.