Ask about Ostium · freeTotal Value Locked$3.97m
TVL by Chain
Arbitrum$3.97m
Key Metrics
Fees 30d$159,424
Fees 30d by chain
Arbitrum$159,424
Fees 7d$8,798
Arbitrum$8,798
Fees 24h$1,998
Arbitrum$1,998
Cumulative Fees$44.73m
Arbitrum$44.79m
Revenue 30d$23,493
Revenue 30d by chain
Arbitrum$23,493
Revenue 7d$4,707
Arbitrum$4,707
Revenue 24h$611
Arbitrum$611
Cumulative Revenue$20.51m
Arbitrum$20.51m
Perp Volume 30d$147.26m
Perp Volume 30d by chain
Arbitrum$147.26m
Perp Volume 7d$22.91m
Arbitrum$22.91m
Perp Volume 24h$3.83m
Arbitrum$3.83m
Cumulative Perp Volume$61.775b
Arbitrum$61.775b
Open Interest$8.75m
Total Raised$27.5m
Oct 6, 2023$3.5mRound: SeedInvestors: General Catalyst, LocalGlobe, SIG, Balaji Srinivasan, AllianceDAO
Dec 3, 2025$20mRound: Series AInvestors: General Catalyst, Jump Trading, Coinbase Ventures, Wintermute Ventures, GSR
Dec 3, 2025$4mRound: Strategic
Protocol Information
Trade FX, metals, energy, & RWAs from your wallet
Audits:
Methodology
TVL: Total value of all coins held in the smart contracts of the protocolView code on GitHubFees: Gross protocol revenue: opening fees, liquidation fees, oracle fees, dev fees, rollover fees, and trading spreads.View code on GitHubRevenue: 100% of dev opening fees, 100% of oracle fees, and 100% of trading spreads from 2026-04-28 onwards.View code on GitHubPerp Volume: Notional volume of all trades including leverage on the perp exchangeView code on GitHubHacks
Date: Jul 15, 2026
Amount: $23.75m
Classification: Key Compromise
Technique: Private Key Compromised
Chains: Arbitrum
Language: Solidity
Target Type: DeFi Protocol
Competitors
Ostium history
TVL is the default DefiLlama definition. Daily values are UTC snapshots from Jul 27, 2024 to Oct 20, 2026.
All-time high TVL: $100.65m on Mar 17, 2026. All-time low TVL: $247,036 on Jul 27, 2024.
Daily TVL, Sep 21, 2026 to Oct 20, 2026
| Date | TVL |
|---|---|
| Sep 21, 2026 | $11.97m |
| Sep 22, 2026 | $11.9m |
| Sep 23, 2026 | $11.66m |
| Sep 24, 2026 | $11.49m |
| Sep 25, 2026 | $11m |
| Sep 26, 2026 | $10.97m |
| Sep 27, 2026 | $10.96m |
| Sep 28, 2026 | $10.93m |
| Sep 29, 2026 | $10.41m |
| Sep 30, 2026 | $8.8m |
| Oct 1, 2026 | $8.79m |
| Oct 2, 2026 | $8.63m |
| Oct 3, 2026 | $8.61m |
| Oct 4, 2026 | $7.68m |
| Oct 5, 2026 | $7.67m |
| Oct 6, 2026 | $7.56m |
| Oct 7, 2026 | $5.23m |
| Oct 8, 2026 | $5.03m |
| Oct 9, 2026 | $4.91m |
| Oct 10, 2026 | $4.29m |
| Oct 11, 2026 | $4.28m |
| Oct 12, 2026 | $4.27m |
| Oct 13, 2026 | $4.25m |
| Oct 14, 2026 | $4.29m |
| Oct 15, 2026 | $4.25m |
| Oct 16, 2026 | $4.19m |
| Oct 17, 2026 | $4.17m |
| Oct 18, 2026 | $4.16m |
| Oct 19, 2026 | $4.13m |
| Oct 20, 2026 | $4.09m |
TVL at each month end, Nov 2024 to Oct 2026
| Date | TVL |
|---|---|
| Nov 30, 2024 | $1.58m |
| Dec 31, 2024 | $2.23m |
| Jan 31, 2025 | $5.3m |
| Feb 28, 2025 | $5.1m |
| Mar 31, 2025 | $5.56m |
| Apr 30, 2025 | $64.35m |
| May 31, 2025 | $62.08m |
| Jun 30, 2025 | $62.79m |
| Jul 31, 2025 | $53.78m |
| Aug 31, 2025 | $45.35m |
| Sep 30, 2025 | $40.51m |
| Oct 31, 2025 | $58.84m |
| Nov 30, 2025 | $46.75m |
| Dec 31, 2025 | $57.43m |
| Jan 31, 2026 | $94.51m |
| Feb 28, 2026 | $85.15m |
| Mar 31, 2026 | $81.02m |
| Apr 30, 2026 | $50.12m |
| May 31, 2026 | $46m |
| Jun 30, 2026 | $58.13m |
| Jul 31, 2026 | $17.85m |
| Aug 31, 2026 | $16.39m |
| Sep 30, 2026 | $8.8m |
| Oct 20, 2026 (latest) | $4.09m |
TVL at each year end, Dec 31, 2024 to Dec 31, 2025
| Date | TVL |
|---|---|
| Dec 31, 2024 | $2.23m |
| Dec 31, 2025 | $57.43m |
Fees and revenue by UTC calendar month, Nov 2024 to Oct 2026
| Month | Fees | Revenue |
|---|---|---|
| Nov 2024 | $22,682 | $12,400 |
| Dec 2024 | $38,967 | $30,105 |
| Jan 2025 | $23,888 | $11,142 |
| Feb 2025 | $57,952 | $34,017 |
| Mar 2025 | $26,409 | $13,186 |
| Apr 2025 | $1.81m | $802,205 |
| May 2025 | $1.65m | $534,726 |
| Jun 2025 | $1.76m | $699,687 |
| Jul 2025 | $2.13m | $874,814 |
| Aug 2025 | $1.51m | $838,756 |
| Sep 2025 | $1.34m | $637,305 |
| Oct 2025 | $2.71m | $1.06m |
| Nov 2025 | $1.45m | $590,297 |
| Dec 2025 | $2.01m | $662,568 |
| Jan 2026 | $4.39m | $1.37m |
| Feb 2026 | $3.81m | $1.25m |
| Mar 2026 | $5.87m | $1.92m |
| Apr 2026 | $3.38m | $1.29m |
| May 2026 | $4.88m | $3.92m |
| Jun 2026 | $3.5m | $2.73m |
| Jul 2026 | $1.31m | $600,581 |
| Aug 2026 | $865,441 | $575,824 |
| Sep 2026 | $50,851 | $31,892 |
| Oct 2026 (to date) | $122,690 | $13,120 |
The .csv export on the chart above downloads every daily value. The same data is in the public API: https://api.llama.fi/protocol/ostium
Frequently asked questions
What is Ostium's TVL?
As of Oct 20, 2026, Ostium has $3.97m in total value locked. TVL has decreased 66.9% over the past 30 days.
What chains does Ostium operate on?
Ostium operates on Arbitrum. Arbitrum holds the largest share at 100%.
How much has Ostium generated in fees and revenue?
Over the past 30 days, Ostium generated $159,424 in fees. Of that, $23,493 was protocol revenue. Based on the trailing year, the annualized rate is $32.48m in fees and $15.31m in revenue.
How does Ostium's TVL compare to similar protocols?
Among Derivatives protocols tracked by DefiLlama, Ostium ranks #31 by TVL. The category holds $1.951b across 423 protocols, and Ostium accounts for 0.2% of that total. Similar protocols include GMX EVM, AZverse Perps, Apex Omni, Aevo Perps, MUX Perps, Antarctic, Gains Network, Contango V2, Evedex, and GMX V1 EVM.
How much perpetual futures volume does Ostium process?
Ostium processed $147.26m in perpetual futures volume over the past 30 days.
Has Ostium ever been exploited?
Ostium has 1 recorded security incident. The most recent incident occurred on Jul 15, 2026 and involved $23.75m. It was classified as Key Compromise.