Ostium's next stage: A gateway to one of the world's largest liquidity markets.

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This launch represents the largest protocol upgrade in Ostium's history and an unprecedented upgrade to its on-chain trading infrastructure.

Ostium has evolved from a self-contained system to an open-loop system.

This connects on-chain trades to the price formation and liquidity of the world's most liquid traditional financial markets through a hedging network of market makers, prime brokers, and other leading institutional investor partners, including @jump_.

The OLP (Ostium Liquidity Pool) no longer has direct exposure to traders' PnL (profit and loss).

The OLP is now positioned behind a dedicated junior tranche, a buffer that programmatically hedges directional risk and absorbs profits and losses first. It also handles on-chain settlement and same-day lending capabilities.

• Larger Trading Capabilities

  Allowable position sizes scale with market liquidity (Dynamic Open Interest). Improved capital efficiency has also expanded the available Open Interest limit.

• Even Better Execution Quality

  We have always provided industry-leading execution for notional positions worth millions of dollars. This upgrade promises an even higher quality execution experience.

• Real-Market Based Carry Costs

  We are transitioning to more predictable rollover fees that reflect futures curve shape, SOFR, interest rate differentials, and more. This reflects the real costs of holding assets in some of the world's most liquid markets.

• Expanded Markets and Assets

  Ostium added 15 pairs in April, bringing the total to 70 markets. This upgrade will enable rapid asset expansion into some of the world's most liquid markets.

• No longer acting as a counterparty to the trader's opposing trade.

  Directional risk is hedged off-chain and managed programmatically through an institutional investor network.

• Senior Tranching

  A dedicated junior tranche is placed below the LP pool, absorbing losses before they reach the senior tranche.

  The concept is similar to CLOs (Collateralized Loan Obligations) or a default waterfall structure.

• A simpler and more stable structure

  Opening fees are returned to the LP pool.The LP pool functions as a settlement and lending layer within the same day.Current and historical APRs can be viewed on the Dune dashboard.

Ostium is designed to complement, rather than replace, existing exchanges and market data infrastructure.

The protocol aggregates on-chain demand into a single, transparent market, connecting to the deepest liquidity for each asset class.

Ostium itself does not maintain its own order book, instead indirectly referencing the world's most liquid order books for each market.

The system consists of two layers:

• On-chain settlement layer

  Composed of two main smart contracts:One is a trading contract that isolates and manages traders' USDC collateral.The other is a Vault contract that settles trades on the same day.Opening, closing, and clearing positions are all done on-chain, and PnL is instantly reflected in the trader's wallet.All contracts are audited and reviewed by Zellic, ThreeSigma, and Pashov.

• Off-chain hedging layer

  Directional risk is hedged through a network of institutional investor partners.Market makers, prime brokers, and other major financial institutions hedge flows in one of the world's largest liquidity markets.

These two layers are kept consistent through daily settlement processes.The entire protocol remains net flat between settlements.Traders' collateral assets are always held in self-custody, and all trades are verifiable on-chain.

The technical architecture built to realize this system is a world first.

Institutional investor market infrastructure has utilized the FIX (Financial Information eXchange) protocol for many years.

The biggest technical challenge was building a bidirectional translation layer between on-chain smart contract events and the FIX messaging standard used by institutional systems.

On the messaging layer, Ostium's hedge partners are integrated seamlessly, indistinguishable from existing institutional investor clients.

The system needed to meet three requirements simultaneously:

• End-to-end execution latency of less than 100 milliseconds
• 99.99% uptime
• Continuous synchronization between smart contracts, oracles, and hedge systems

Fifteen of Ostium's 20 engineers participated in this launch.

More than 40 people across 14 time zones were involved in the integration development.

Stablecoins didn't simply reconstruct the fiat currency system to bring the dollar on-chain.

The dollar itself was already functioning.

It just lacked the infrastructure to access it from the on-chain world.

Circle and Tether built that infrastructure, resulting in some of the most profitable companies in the cryptocurrency industry, and even globally (based on profit per employee).

Ostium's goal is similar.

The world's largest liquidity markets already exist.

The FX and CFD markets alone boast over $30 trillion in monthly trading volume.

The key isn't reconstructing them on-chain.

It's about how to connect them.

Today's release is that connection infrastructure.

Ostium has taken another step closer to its vision of serving global traders in the $10 trillion monthly CFD and FX market.

Watch the full video here:

https://x.com/i/status/2049197766920827330

About Ostium

Ostium is a decentralized exchange that leverages real asset (RWA) price data to provide perpetual trading on-chain.

Users can directly trade profits and losses based on price fluctuations without holding the assets themselves.

This protocol is based on automated execution via smart contracts and self-custody, providing a new form of market access that bypasses traditional financial institutions.

Official website: https://www.ostium.com/

X: https://x.com/Ostium