Opyn Markets security record

As of 21 Oct 2026, Opyn Markets has 4 audit reports by 2 security firms on Trustblock; the latest is by OpenZeppelin, dated 19 Dec 2022. Those reports list no open critical findings.

Critical findings
No open critical findings
Across the 4 reports, 2 critical findings were reported. Each is marked fixed by the firm that reported it. See the findings
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Record last updated . It holds audits and findings, contracts and incidents up to Oct 2026. Trustblock does not review code.

Audits4

Newest first

AuditSecurity firmDateScopeCritical findingsReport
Opyn Bull Strategy Contracts AuditSecurity firm: OpenZeppelinDate: Scope: Files named in the reportNo open critical findingsOpen · blog.openzeppelin.com
Opyn: Gamma auditSecurity firm: PeckShieldDate: Scope: Not recorded (see the report)No open critical findingsOpen · GitHub
Opyn Gamma Protocol AuditSecurity firm: OpenZeppelinDate: Scope: Files named in the report1 critical finding, fixedOpen · blog.openzeppelin.com
Opyn Contracts AuditSecurity firm: OpenZeppelinDate: Scope: Files named in the report1 critical finding, fixedOpen · blog.openzeppelin.com

Findings45

Statuses are the security firm’s own, from each report.

SeverityOpenAcknowledgedFixed
Critical002
High202
Medium406
Low11315
Critical[C01][Fixed] An attacker can steal all the collateral assetsOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

The report gives no description here.

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Critical[C01][Fixed] Malicious users could steal from the OptionsContract contractOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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High[H01][Fixed] ETH could get trapped in the protocolOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

The report gives no description here.

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High[H02][Fixed] Protocol could become insolvent due to market’s natural movementsOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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MediumInsufficient Collatoral in Controller::_settleVault()Opyn: Gamma audit · PeckShield · 19 Feb 2021Fixed

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Medium[M01][Fixed] oToken can be created with a non-whitelisted collateral assetOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Medium[M03][Fixed] Actions are undefined at the exact time of oToken expiryOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Medium[M04][Fixed] Use of transfer might render ETH impossible to withdrawOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Medium[M01][Fixed] Potential race condition with Repo ownership transferOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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Medium[M02][Fixed] Lack of event emissions after sensitive changesOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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LowMissing docstringsOpyn Bull Strategy Contracts Audit · OpenZeppelin · 19 Dec 2022Fixed

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LowMissing error messages in require statementsOpyn Bull Strategy Contracts Audit · OpenZeppelin · 19 Dec 2022Fixed

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Low[L01][Fixed] Disputer can dispute a price before a pricer has submitted a priceOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L02][Fixed] Constants are not being declared explicitlyOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L03][Fixed] Operations are not explicitly castedOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L04][Fixed] Lack of indexed parameters in eventsOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L05][Fixed] Lack of input validation could pollute the event logsOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L07][Fixed] Mismatches between contracts and interfacesOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L09][Fixed] oToken symbols might not be uniqueOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L10][Fixed] String is used as hash keyOpyn Gamma Protocol Audit · OpenZeppelin · 10 Nov 2020Fixed

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Low[L01][Fixed] Not following check-effect-interaction patternOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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Low[L04][Fixed] Miscalculated maxCollateralLiquidatable in liquidate functionOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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Low[L07][Fixed] Repo owner could lose collateral if leftover oTokens are not burnt before the option expiresOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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Low[L08][Fixed] Factorize Repo ownership into modifierOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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Low[L09][Fixed] Unbalanced ETH operationsOpyn Contracts Audit · OpenZeppelin · 10 Feb 2020Fixed

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Contracts

No deployed address is recorded for these audits.

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