| OARK | YieldMax Innovation Option Income Strategy ETF | YieldMax | Income | 1.00% | $35M |
| OASC | OneAscent Enhanced Small and Mid Cap ETF | OneAscent | US Stock Styles | 1.38% | $97M |
| OBIL | US Treasury 12 Month Bill ETF | F/m | Bonds & Cash | 0.15% | $343M |
| OBND | State Street Loomis Sayles Opportunistic Bond ETF | SPDR | Bonds & Cash | 0.55% | $31M |
| OBOR | KraneShares MSCI One Belt One Road Index ETF | KraneShares | Other | 0.79% | $4M |
| OCDB | ETF Series Solutions - Aptus October Deep Buffer ETF | Aptus | Defined Outcome | 0.25% | $10M |
| OCIO | ClearShares OCIO ETF | ClearShares | Other | 0.66% | $163M |
| OCNL | ETF Opportunities Trust - T-REX 2X Long DOCN Daily Target ETF | Rexshares | Single-Stock Leverage | 1.50% | $248K |
| OCT | VanEck U.S. Equity Buffer ETF - October | VanEck | Defined Outcome | 0.50% | $7M |
| OCTB | ETF Series Solutions - Aptus October Buffer ETF | Aptus | Defined Outcome | 0.25% | $50M |
| OCTH | Innovator Premium Income 20 Barrier ETF | Innovator | Income | 0.79% | $15M |
| OCTJ | Innovator Premium Income 30 Barrier ETF | Innovator | Income | 0.79% | $15M |
| OCTM | FT Vest U.S. Equity Max Buffer ETF - October | First Trust | Defined Outcome | 0.85% | $42M |
| OCTP | PGIM S&P 500 Buffer 12 ETF - Oct | PGIM | Defined Outcome | 0.50% | $51M |
| OCTT | AllianzIM U.S. Equity Buffer10 Oct ETF | AllianzIM | Defined Outcome | 0.74% | $121M |
| OCTU | AllianzIM U.S. Equity Buffer15 Uncapped Oct ETF | AllianzIM | Defined Outcome | 0.74% | $58M |
| OCTW | AllianzIM U.S. Equity Buffer20 Oct ETF | AllianzIM | Defined Outcome | 0.74% | $438M |
| OCTZ | TrueShares Structured Outcome (October) ETF | TrueShares | Defined Outcome | 0.79% | $42M |
| ODDS | Pacer BlueStar Digital Entertainment ETF | Pacer | Other | 0.49% | $3M |
| ODDZ | Corgi ETF Trust I - Corgi Sports Betting & Gambling ETF | Corgi Funds | Other | 0.35% | $757K |
| ODHY | Obra Defensive High Yield ETF | Obra | Bonds & Cash | 5.34% | $5M |
| ODTE | VegaShares SPX NDX RTY Premium Income ETF | Vegashares | Income | 0.76% | $2M |
| OEF | iShares S&P 100 ETF | iShares | US Stock Styles | 0.20% | $19.4B |
| OEFA | ALPS O'Shares International Developed Quality Dividend ETF | ALPS | Income | 0.48% | $35M |
| OEI | Optimized Equity Income ETF | Core Alternative | Income | 1.02% | $53M |
| OGIG | ALPS O'Shares Global Internet Giants ETF | ALPS | Sectors | 0.48% | $91M |
| OGSP | Obra High Grade Structured Products ETF | Obra | Other | 1.69% | $29M |
| OIH | VanEck Oil Services ETF | VanEck | Other | 0.35% | $1.8B |
| OILD | MicroSectors Oil & Gas Exp. & Prod. -3x Inverse Leveraged ETN | REX Microsectors | Leveraged | 0.95% | $30M |
| OILK | ProShares - K-1 Free Crude Oil ETF | ProShares | Commodities | 0.70% | $264M |
| OILU | MicroSectors Oil & Gas Exp. & Prod. 3x Leveraged ETN | REX Microsectors | Leveraged | 0.95% | $66M |
| OKLC | Corgi ETF Trust I - Corgi OKLO 2x Daily ETF | Corgi Funds | Leveraged | 0.45% | $130K |
| OKLL | Daily Target 2X Long OKLO ETF | Defiance | Single-Stock Leverage | 1.45% | $34M |
| OKTG | Leverage Shares 2x Long OKTA Daily ETF | LeverageShares | Single-Stock Leverage | 0.75% | $7M |
| OMAH | VistaShares Target 15 Berkshire Select Income ETF | VistaShares | Income | 0.95% | $1.1B |
| OMFL | Invesco Russell 1000 Dynamic Multifactor ETF | Invesco | US Stock Styles | 0.29% | $4.8B |
| OMFS | Invesco Russell 2000 Dynamic Multifactor ETF | Invesco | US Stock Styles | 0.39% | $267M |
| OND | ProShares - On-Demand ETF | ProShares | Other | 0.58% | $2M |
| ONDC | Corgi ETF Trust I - Corgi ONDS 2x Daily ETF | Corgi Funds | Leveraged | 0.45% | $120K |
| ONDG | Themes ETF Trust - Leverage Shares 2X Long ONDS Daily ETF | LeverageShares | Single-Stock Leverage | 0.75% | $13M |
| ONDL | Daily Target 2X Long ONDS ETF | Defiance | Single-Stock Leverage | 1.32% | $12M |
| ONDU | Tradr 2X Long ONDS Daily ETF | Tradr | Single-Stock Leverage | 1.49% | $1M |
| ONEH | TrueShares Equity Hedge ETF | TrueShares | Other | 0.79% | $32M |
| ONEO | State Street SPDR Russell 1000 Momentum Focus ETF | SPDR | US Stock Styles | 0.20% | $31M |
| ONEQ | Fidelity Nasdaq Composite Index ETF | Fidelity | US Stock Styles | 0.21% | $10.4B |
| ONEV | State Street SPDR Russell 1000 Low Volatility Focus ETF | SPDR | US Stock Styles | 0.20% | $298M |
| ONEY | State Street SPDR Russell 1000 Yield Focus ETF | SPDR | US Stock Styles | 0.20% | $687M |
| ONEZ | Elevation Series Trust - TrueShares Seasonality Laddered Buffered ETF | TrueShares | Defined Outcome | 0.96% | $343M |
| ONG | Leverage Shares 2X Long ON Daily ETF | LeverageShares | Single-Stock Leverage | 0.75% | $983K |
| ONLN | ProShares - Online Retail ETF | ProShares | Sectors | 0.58% | $58M |
| ONOF | Global X - Adaptive U.S. Risk Management ETF | Global X | US Stock Styles | 0.39% | $162M |
| ONTX | Corgi ONTO 2x Daily ETF | Corgi Funds | Leveraged | 0.45% | $538K |
| ONX | Investment Managers Series Trust II - Tradr 2X Long ON Daily ETF | Tradr | Single-Stock Leverage | 1.30% | $900K |
| OOSP | Obra Opportunistic Structured Products ETF | Obra | Other | 1.38% | $150M |
| OPEG | Leverage Shares 2x Long OPEN Daily ETF | LeverageShares | Single-Stock Leverage | 0.75% | $1M |
| OPER | ClearShares Ultra-Short Maturity ETF | ClearShares | Bonds & Cash | 0.20% | $113M |
| OPEX | Investment Managers Series Trust II - Tradr 2X Long OPEN Daily ETF | Tradr | Single-Stock Leverage | 1.30% | $2M |
| OPPE | WisdomTree European Opportunities Fund | WisdomTree | International | 0.58% | $283M |
| OPPG | WisdomTree GeoAlpha Opportunities Fund | WisdomTree | Other | 0.58% | $3M |
| OPPJ | WisdomTree Japan Opportunities Fund | WisdomTree | International | 0.58% | $320M |
| OPTZ | Optimize Strategy Index ETF | Optz Fund | Other | 0.25% | $244M |
| ORAC | Corgi ETF Trust I - Corgi ORCL 2x Daily ETF | Corgi Funds | Leveraged | 0.45% | $727K |
| ORBX | Global X Space Tech ETF | Global X | Thematic | 0.50% | $34M |
| ORCS | Direxion Daily ORCL Bear 1X ETF | Direxion | Single-Stock Leverage | 0.99% | $8M |
| ORCU | Direxion Daily ORCL Bull 2X ETF | Direxion | Single-Stock Leverage | 0.99% | $95M |
| ORCX | Daily Target 2X Long ORCL ETF | Defiance | Single-Stock Leverage | 1.31% | $142M |
| ORCZ | Investment Managers Series Trust II - Tradr 2X Short ORCL Daily ETF | Tradr | Single-Stock Leverage | 1.49% | $5M |
| ORO | Arrow Investments Trust - Arrow Valtoro ETF | ArrowShares | Other | 1.25% | $4M |
| ORR | Militia Long/Short Equity ETF | Militia | Other | 10.91% | $359M |
| OSCV | Opus Small Cap Value Plus ETF | Aptus | US Stock Styles | 0.79% | $620M |
| OSCX | Defiance Daily Target 2X Long OSCR ETF | Defiance | Single-Stock Leverage | 1.32% | $9M |
| OSEA | Harbor International Compounders ETF (OSEA) | Harbor | International | 0.55% | $375M |
| OSSL | Tidal Trust II - Defiance Daily Target 2x Long OSS ETF | Defiance | Single-Stock Leverage | 1.31% | $53K |
| OTAX | Optimal Tax Managed Equity ETF | Optimal Tax | Other | 0.58% | $71M |
| OTGL | OTG Latin America ETF | OTG | International | 0.95% | $27M |
| OUNZ | VanEck Merk Gold ETF | VanEck | Commodities | 0.25% | $2.6B |
| OUSA | ALPS Funds O’Shares U.S. Quality Dividend ETF | ALPS | Income | 0.48% | $737M |
| OUSL | Tidal Trust II - Defiance Daily Target 2X Long OUST ETF | Defiance | Single-Stock Leverage | 1.31% | $3M |
| OUSM | ALPS O'Shares U.S. Small-Cap Quality Dividend ETF | ALPS | Income | 0.48% | $811M |
| OVB | Overlay Shares Core Bond ETF | Overlay Shares | Bonds & Cash | 0.79% | $48M |
| OVF | Overlay Shares Foreign Equity ETF | Overlay Shares | International | 0.83% | $64M |
| OVL | Overlay Shares Large Cap Equity ETF | Overlay Shares | US Stock Styles | 0.79% | $501M |
| OVLH | Overlay Shares Hedged Large Cap Equity ETF | Overlay Shares | US Stock Styles | 0.80% | $102M |
| OVM | Overlay Shares Municipal Bond ETF | Overlay Shares | Bonds & Cash | 0.81% | $46M |
| OVQ | Overlay Shares Nasdaq 100 Income ETF | Overlay Shares | Income | 0.97% | $22M |
| OVS | Overlay Shares Small Cap Equity ETF | Overlay Shares | US Stock Styles | 0.83% | $43M |
| OVT | Overlay Shares Short Term Bond ETF | Overlay Shares | Bonds & Cash | 0.79% | $63M |
| OWN | Corgi ETF Trust I - Inside Ownership 100 ETF | Corgi Funds | Other | 0.49% | $4M |
| OWNB | Bitwise Bitcoin Standard Corporations ETF | Bitwise | Crypto | 0.85% | $13M |
| OWNS | CCM Affordable Housing MBS ETF | Impact Shares | Bonds & Cash | 0.68% | $107M |
| OZEM | Roundhill Investments - GLP-1 & Weight Loss ETF | Roundhill | Other | 0.59% | $57M |
| PAAA | PGIM AAA CLO ETF | PGIM | Bonds & Cash | 0.19% | $15.3B |
| PAB | PGIM Active Aggregate Bond ETF | PGIM | Bonds & Cash | 0.19% | $104M |
| PABD | iShares Paris-Aligned Climate Optimized MSCI World ex USA ETF | iShares | International | 0.12% | $322M |
| PABU | iShares Paris-Aligned Climate Optimized MSCI USA ETF | iShares | US Stock Styles | 0.10% | $2.3B |
| PALC | Pacer Lunt Large Cap Multi-Factor Alternator ETF | Pacer | US Stock Styles | 0.60% | $185M |
| PALD | Direxion Daily PANW Bear 1X ETF | Direxion | Single-Stock Leverage | 2.33% | $4M |
| PALL | abrdn Physical Palladium Shares ETF | Aberdeen | Commodities | 0.60% | $547M |
| PALU | Direxion Daily PANW Bull 2X ETF | Direxion | Single-Stock Leverage | 1.48% | $20M |
| PAMC | Pacer Lunt MidCap Multi-Factor Alternator ETF | Pacer | US Stock Styles | 0.60% | $48M |