{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:J542UC63T2YB4UHRLOGWRUIQCK","short_pith_number":"pith:J542UC63","schema_version":"1.0","canonical_sha256":"4f79aa0bdb9eb01e50f15b8d68d110128b79b16c1318fc859afc0895fce8dfef","source":{"kind":"arxiv","id":"2411.14646","version":2},"attestation_state":"computed","paper":{"title":"Diversification quotient based on expectiles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-fin.PM","authors_text":"Hao Wang, Liyuan Lin, Ruodu Wang, Xia Han","submitted_at":"2024-11-22T00:30:55Z","abstract_excerpt":"A diversification quotient (DQ) quantifies diversification in stochastic portfolio models based on a family of risk measures. We study DQ based on expectiles, offering a useful alternative to conventional risk measures such as Value-at-Risk (VaR) and Expected Shortfall (ES). The expectile-based DQ admits simple formulas and has a natural connection to the Omega ratio. Moreover, the expectile-based DQ is not affected by small-sample issues faced by VaR-based or ES-based DQ due to the scarcity of tail data. The expectile-based DQ exhibits pseudo-convexity in portfolio weights, allowing gradient "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2411.14646","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.PM","submitted_at":"2024-11-22T00:30:55Z","cross_cats_sorted":[],"title_canon_sha256":"cc1926bf807034916d88007cc91e66cb19c78c438927f47ea852b95060ebac0e","abstract_canon_sha256":"46168014dc6f7ad1e27e8f069e2891ccaac9c63c27ddb503b3dfa004b9e96707"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:41:04.110506Z","signature_b64":"2LdULDPrUsQlUf0WuYbmmgKVm1J4LT7WiTeN4Po981NYoZOIiAZiqvt0nV13OJfT5UraJX7UrORnxlO1OAuCDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f79aa0bdb9eb01e50f15b8d68d110128b79b16c1318fc859afc0895fce8dfef","last_reissued_at":"2026-07-05T09:41:04.110032Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:41:04.110032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Diversification quotient based on expectiles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-fin.PM","authors_text":"Hao Wang, Liyuan Lin, Ruodu Wang, Xia Han","submitted_at":"2024-11-22T00:30:55Z","abstract_excerpt":"A diversification quotient (DQ) quantifies diversification in stochastic portfolio models based on a family of risk measures. We study DQ based on expectiles, offering a useful alternative to conventional risk measures such as Value-at-Risk (VaR) and Expected Shortfall (ES). The expectile-based DQ admits simple formulas and has a natural connection to the Omega ratio. Moreover, the expectile-based DQ is not affected by small-sample issues faced by VaR-based or ES-based DQ due to the scarcity of tail data. The expectile-based DQ exhibits pseudo-convexity in portfolio weights, allowing gradient "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.14646","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.14646/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2411.14646","created_at":"2026-07-05T09:41:04.110092+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.14646v2","created_at":"2026-07-05T09:41:04.110092+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.14646","created_at":"2026-07-05T09:41:04.110092+00:00"},{"alias_kind":"pith_short_12","alias_value":"J542UC63T2YB","created_at":"2026-07-05T09:41:04.110092+00:00"},{"alias_kind":"pith_short_16","alias_value":"J542UC63T2YB4UHR","created_at":"2026-07-05T09:41:04.110092+00:00"},{"alias_kind":"pith_short_8","alias_value":"J542UC63","created_at":"2026-07-05T09:41:04.110092+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK","json":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK.json","graph_json":"https://pith.science/api/pith-number/J542UC63T2YB4UHRLOGWRUIQCK/graph.json","events_json":"https://pith.science/api/pith-number/J542UC63T2YB4UHRLOGWRUIQCK/events.json","paper":"https://pith.science/paper/J542UC63"},"agent_actions":{"view_html":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK","download_json":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK.json","view_paper":"https://pith.science/paper/J542UC63","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.14646&json=true","fetch_graph":"https://pith.science/api/pith-number/J542UC63T2YB4UHRLOGWRUIQCK/graph.json","fetch_events":"https://pith.science/api/pith-number/J542UC63T2YB4UHRLOGWRUIQCK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK/action/storage_attestation","attest_author":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK/action/author_attestation","sign_citation":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK/action/citation_signature","submit_replication":"https://pith.science/pith/J542UC63T2YB4UHRLOGWRUIQCK/action/replication_record"}},"created_at":"2026-07-05T09:41:04.110092+00:00","updated_at":"2026-07-05T09:41:04.110092+00:00"}