# Portfolio overlap — VIXI vs SLTY Comparing **Defiance Enhanced Long Vol ETF** (2025-09-30) and **YieldMax Ultra Short Option Income Strategy ETF** (2026-01-31). - Shared positions: 4 - Defiance Enhanced Long Vol ETF covered by YieldMax Ultra Short Option Income Strategy ETF: 0.4940645864037848723406152196 - YieldMax Ultra Short Option Income Strategy ETF covered by Defiance Enhanced Long Vol ETF: 0.4940645864037848723406152196 ## Defiance Enhanced Long Vol ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | WI TREASURY SEC. 0.000000% 02/19/2026 | 0.432507 | ✓ | | U.S. Treasury Bills | 0.409675 | ✓ | | U.S. Treasury Bills | 0.125024 | | | US ULTRA BOND CBT Sep25 | 0.031145 | ✓ | | FRST AM-GV OB-X | 0.001650 | ✓ | ## YieldMax Ultra Short Option Income Strategy ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | U.S. Treasury Bills | 0.274106 | | | U.S. Treasury Bills | 0.273937 | ✓ | | WI TREASURY SEC. 0.000000% 02/19/2026 | 0.208093 | ✓ | | FRST AM-GV OB-X | 0.157994 | ✓ | | U.S. Treasury Bills | 0.075371 | | | US ULTRA BOND CBT Sep25 | 0.010384 | ✓ | | ENERGY FUELS INC | 0.000114 | | ## Sources - N-PORT (fund A) — accession `0000894189-25-015488` (as of 2025-09-30) - N-PORT (fund B) — accession `0000894189-26-011060` (as of 2026-01-31) --- _Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them._ _Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC._ _Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed. See _