Private Markets, Angel and Secondary Investing, Sacra

Sacra

Bringing transparency to private markets so investors, founders, and employees can build on conviction.

Sacra delivers deeply researched insights on the private companies shaping tomorrow's markets. By surfacing the data, context, and operator perspective that are missing from private markets today, we help secondary buyers and sellers price equity accurately and unlock liquidity for the people building these businesses.

Private Markets, Angel and Secondary Investing

Bringing transparency to private markets so investors, founders, and employees can build on conviction. Sacra delivers deeply researched insights on the private companies shaping tomorrow's markets. By surfacing the data, context, and operator perspective that are missing from private markets today, we help secondary buyers and sellers price equity accurately and unlock liquidity for the people building these businesses.

Private Capital Markets

<ul><li>After the launch of Ethereum in 2015, prediction markets became one of the most popular use cases for dApps (decentralized apps), with early projects like Augur (founded 2014) and Gnosis (2015) built for developers &amp; requiring users to run their own Ethereum nodes—creating the opportunity for Polymarket (2020) to launch with consumer grade UX, curated markets, and instant order fills via USDC.</li><li>Trading volume on Polymarket exploded from $73M in 2023 to ~$9B in 2024, driven by the U.S. presidential election (over $3.3B wagered on Trump vs. Harris alone) and its subsequent expansion into sports betting, with monthly volume hitting $3.02B in October 2025, up from ~$1B in August.</li><li>To maximize liquidity, Polymarket has opted for zero trading fees, but that will change with the company’s plan to relaunch in the U.S. with sports (aiming November 2025) after acquiring a CFTC-licensed exchange—though at 0.01%, Polymarket will be priced 100x lower than Kalshi which monetizes at a ~1% effective take rate for a Sacra-estimated $24M in 2024 revenue, up 1,221% YoY.</li></ul>

After the launch of Ethereum in 2015, prediction markets became one of the most popular use cases for dApps (decentralized apps), with early projects like Augur (founded 2014) and Gnosis (2015) built for developers &amp; requiring users to run their own Ethereum nodes—creating the opportunity for Polymarket (2020) to launch with consumer grade UX, curated markets, and instant order fills via USDC.Trading volume on Polymarket exploded from $73M in 2023 to ~$9B in 2024, driven by the U.S. presidential election (over $3.3B wagered on Trump vs. Harris alone) and its subsequent expansion into sports betting, with monthly volume hitting $3.02B in October 2025, up from ~$1B in August.To maximize liquidity, Polymarket has opted for zero trading fees, but that will change with the company’s plan to relaunch in the U.S. with sports (aiming November 2025) after acquiring a CFTC-licensed exchange—though at 0.01%, Polymarket will be priced 100x lower than Kalshi which monetizes at a ~1% effective take rate for a Sacra-estimated $24M in 2024 revenue, up 1,221% YoY.

Polymarket

Polymarket Vs Kalshi